Killing Instinct

The power to have ability/instincts to kill by any means and in the most effective ways possible. Variation of Enhanced Instincts. Not to be confused with Killing Mastery.
==Also Called==
*Bloodlust
*Killer Instinct
*Killing Addiction
*Murder/Murderous Instincts
*Thirst for Blood
== Fiction-Specific Terms ==
* Dark Determination (JoJo's Bizarre Adventure)
*The "Dark Passenger" (Dexter)
*The Hunger (Heroes)
==Capabilities==
User possesses the capability that enables them to be the "ultimate killing machine". They have instincts to kill by any means and in the most effective ways possible, use anything at hand to do so and, have no mental/emotional issues or moral dilemmas either before, during or after the deed. They are, in short, cold and merciless killers. They are focused on nothing except killing their enemies and how they should do so. They can also give off a murderous aura, inducing fear into their opponents.
This is the ultimate killing mechanism, since the user will automatically kill with perfect skill, technique and timing. The users full and complete mastery in killing and anything related to killing makes them as the ultimate killer.
==Applications==
*Apathy - to suppress any and all emotional and psychological stress that would prevent the user from killing
**Amorality - the user has no moral issues with killing, either before, during or after the deed.
*Danger Detection - Because the user is so skilled at killing, the user automatically detects impending danger.
**Automatic Self-Preservation - Because the user is so skilled at killing, the user is able to avoid a deathblow.
*Enhanced/Absolute Violence - if the user is to kill their opponent, the intention to harm them has to be there
**Critical Impact - the user combines the knowledge of an opponent’s weak points with their incredible fighting skills, causing serious damage.
***Peak Human/Enhanced/Supernatural Combat - the user would know that many targets wouldn’t go down without a fight
***Weakness Detection - the user automatically detects the weak points in everyone and everything because of their desire to annihilate their opponent.
**Fear Inducement - the user can give off their own extreme desire to kill to shock their opponent 
***Intimidation Mastery - the user knows how to easily intimidate any opponents.
****Killing Intent - the user intimidates opponents by utilizing the murderous aura surrounding them.
**Killing Mastery - the user is naturally skilled at formulating ways to kill even seemingly powerful opponents.
**Mauling Mastery - the user is naturally skilled at mauling opponents to death with bare hands.
**Slaying Mastery - the user is naturally skilled at formulating ways to slay creatures and monsters.
**Weakness Strike - Unless the user’s opponent has no weaknesses whatsoever, the user can automatically make any and all of their attacks a means to weaken their opponent. (Not directly associated with weakness detection in this case).
**Weapon Proficiency - the user knows how to use any weapon to kill an opponent.
***Weapon Proficiency Touch - the user can easily use anything they touch as a weapon to kill an opponent.
*Predator Instinct - the user sees an opponent as prey and knows just how to kill them
**Ambush Mastery - the user knows how to easily ambush and kill any target.
**Hunting Mastery - the user knows how to easily hunt and kill any target.
**Improvisation Mastery - the user knows how to easily improvise and kill any target.
**Manipulation Mastery - the user knows how to easily manipulate and kill any target.
**Sabotage Mastery - the user knows how to easily sabotage and kill any target.
**Stealth Mastery - the user knows how to easily sneak up and kill any target.
**Tracking Mastery - the user knows how to easily track and kill any target.
**Trapping Mastery - the user knows how to easily trap and kill any target.
**Absolute immortality - the user will be able to be an unstoppable force of killing machine for nobody will be able to stop you for you are all.
==Quotes==
*Kill or be killed. ― (Anonymous)
*From today, I'll decide who needs to die. ― Slade Wilson/Deathstroke (DC Comics)
*I sing for the slaying of a thousand evil men, I celebrate the massacre of ten thousand goblins. Thou will perish by my own demonic blade. Wake up the slumbering Rakshasa of the bloodthirsty blade. ― Tobio Ikuse (Highschool DxD)
*Evil? I? You hurt me like that. What's so wrong killing humans? Why it's so bad making them suffer? Why is it so bad to crush their children like bugs? Why is it so wrong to cut their head off while they are alive? Why is it so wrong to make them suffer right in front of their children and lovers? They are toys! Toys! Get it right! ― Herrscher of the Corruption (Honkai Impact 3rd)
*But whether you are an impostor who took his name or the real one. Someday, I'll kill you. ― Red Eye Xaxa (Sword Art Online)
*You draw no line between enemy and ally. You spare no neutral party either. People are called heroes for burying their enemies, but you are just deranged. A mass murderer. ― Ko Chou to Kan Ki (Kingdom)
*Let's dispense with the introductions and get straight to the kill! ― Regent of the Mask (Ninja Gaiden)
*Crush their skulls. Pierce their throats. Silence their breaths. Forever. ― Goblin Slayer (Goblin Slayer)
*I lived my entire life waiting for this moment. I trained, I killed just to get here. I killed in America, Afghanistan, Iraq... I took life from my own brothers and sisters right here on this continent! And all this death just so I could kill you. ― Erik Killmonger (Marvel Cinematic Universe)
==Associations==
*Alien Physiology 
*Assassination Mastery
*Berserker
**Barbarian
**Feral Mind
**Inner Beast
*Bionic Physiology 
**Artificial Physiology 
**Android Physiology 
***Biodroid Physiology
**Technorganic Physiology
*Bloodlust Aura/Empowerment
*Crime Mastery
*Demon Physiology
*Divided Mind - One or more personalities may be aggressive and possess murderous tendencies.
*Enhanced Violence
*Fighting Instinct
*Military Mastery
*Mortal Physiology 
*Piracy Mastery
*Superior Human Physiology 
*Transcendent Physiology
*Vampire Physiology 
*Werewolf Physiology 
==Limitations==
* Can still feel remorse after killing someone.
*May be constantly active.
* May emerge/activate involuntarily.
* May activate in certain situations (e.g., feeling emotions of anger).
* Extended suppression of their urge might result in a mental/emotional/psychological meltdown.
* Instincts can be uncontrollable.
* Without a strong, proper moral compass and a strong sense of who and who not to kill, the user may be a danger to everyone around them, friend or foe.
* Depending on the continuity, writers, and company mandates, characters may suddenly undergo a complete retcon to their behavior, mindset, or entire history.
==Known Users==
See Also: Violence Tropes, Ax-Crazy, Blood Knight, The Sociopath.
===Anime/Manga/Manhwa/Manhua===
===Cartoons & Animated Films===
===Comics===
===Live Television/Movies ===
===Literature===
===Folklore/Mythology=== 
*Ares, The God of War (Greek Mythology)
*Redcaps (Celtic Folklore)
*Demons (Folklore/Mythology)
*Vampires (Folklore)
*Werewolves (Folklore)
*Zombies (Folklore)
===Video Games===
===Web Animation/Comics/Original/Series===
== Known Objects== 
*Demon's Extracts (Akame ga Kill)
*Lazarus Pit (DC Comics)
* Fiendfyre (Harry Potter)
*Anubis (JoJo's Bizarre Adventure Part III Stardust Crusaders)
*Azrael's Blade (Lucifer)
*Calypso Serum (Marvel Comics)
*Destroyer (Marvel Comics)
* Light Sphere (Re:Zero)
*Mark of Cain (Supernatural)
*Dip (Who Framed Roger Rabbit)
*Killstreak Glove (ROBLOX: Slap Battles)
*Reaper Glove (ROBLOX: Slap Battles)
==Known Powers==
*Devourer of Souls (ROBLOX: Ability Wars)
*Hivemind (ROBLOX: Ability Wars)
==Gallery==
===Anime/Manga/Manhwa/Manhua===
====A-N====
Kenny the Ripper.PNG|Before becoming a soldier for the Reiss family, Kenny Ackerman (Attack On Titan) was a ruthless serial killer in the capital of Wall Mitras, earning the name of Kenny the Ripper for slitting the throats of over a hundred members of the Military Police Brigade.
Prime Minister Honest Akame Ga Kill!.webp|Honest (Akame ga Kill!) 
Esdeath, the Natural Born Killer Akame ga KILL!.jpg|A terrifying and murderous sadist, Esdeath (Akame ga Kill!) enjoyed brutality during her battles and would end a person's life in the most agonizing way.
Nagisa Bloodlust.gif|Despite his initial character, impression, and appearance, Nagisa Shiota (Ansatsu Kyōshitsu) possesses a frighteningly massive amount of hidden bloodlust.
Azumi's Sword.png|In spite of being a kind and sociable woman, Azumi (Azumi) is merciless whenever she's engaged in a fight for survival.
Guts' Solace Berserk.gif|Knowing the only solace through fighting and killing as many enemies as possible, Guts’ (Berserk) need to fight…
Berserk Guts vs 100 Soldiers.gif|...was enough to drive him to kill over one hundred Tudor soldiers in a single night...
Berserk Guts' Whirlwind.gif|...multiple Midland guards...
Guts Fights On!! Berserk.gif|...Apostles...
Berserk v1 p125.png|…and after the events of the Eclipse, his need to kill manifested into his personal Inner Beast, The Beast of Darkness that urges him to continue on killing every last Apostle and seek revenge against the God Hand.
Hollow Ichigo's Cero.gif|When taken over by his inner Hollow, Ichigo Kurosaki (Bleach) becomes a nigh-unstoppable killing machine.
Original Gotei 13 (Bleach).webp|According to Yhwach, the First Captains of the Gotei 13 (Bleach)… 
First Gotei 13 captains (Bleach) massacre.gif|…were actually a brutal mob of killers.
Yamamoto (Bleach) immolate.gif| Genryusai Yamamoto (Bleach) was once feared as a demon due to his ruthless leadership who even sacrificed his own subordinates and innocent lives to fulfill his goals.
Unohana's true personality.png|Yachiru Unohana (Bleach) was feared as the most terrifying criminal of Soul Society due to her endless thirst for a bloody battle.
YhwachRevival.png|Yhwach (Bleach) is an utterly ruthless and sadistic being, freely slaughtering enemy and ally alike just to further his own goals, and even looks down upon compassion and mercy.
Young Zaraki.png|Kenpachi Zaraki (Bleach)
Spike's Shot Cowboy Bebop.gif|Spike Spiegel (Cowboy Bebop)
White Blood Cells Neutrophils (Cells at Work) kill germ.png|White Blood Cells/Neutrophils (Cells at Work!)
Hyuk Woon Sung Heavenly Demon Reborn.jpg|A ruthless man who is neither a hero nor a villain, Hyuk Woon Sung (Chronicles of Heavenly Demon/Heavenly Demon Reborn) swore to kill all and any involved in the death of both him and his masters.
Rei Angry.jpg|Rei Ogami (Code:Breaker) ruthlessly killing evil while ignoring all pleas.
Light Yagami, The Death God.png|Light Yagami (Death Note) enjoys killing criminals using the Death Note which eventually turned him into a ruthless terrorist and a mass murder with a god complex.
Muzan Kibutsuji (Demon Slayer Kimetsu) arm monster.png|Muzan Kibutsuji (Demon Slayer: Kimetsu no Yaiba) kills the Lower Rank demons.
Tyki Mikk's transformed state.jpg|Tyki Mikk (D.Gray-man) awakens, which instills in him a single-minded desire to kill Exorcists.
Frieza or Freeza Dragon Ball.gif|Freiza (Dragon Ball series)
Cell's Super Big Bang Crash.gif|Cell (Dragon Ball Z)
Son Gohan SSJ2-0.gif|Upon becoming a Super Saiyan 2, Son Gohan (Dragon Ball series) became a merciless, sadistic killer...
Gohan Kicks Cell Jr.png|...effortlessly killing each and every Cell Jr...
Gohan Kicks Cell.gif|...and deliberately dragged out his fight with Cell to torture him.
Majin Vegeta.gif|Majin Vegeta (Dragon Ball Z)
Majin Buu (Dragon Ball Z) Using Flame Shower Breath.gif|Majin Buu (Dragon Ball Z) 
Kid Buu (Dragon Ball).png|Kid Buu (Dragon Ball Z) is a near-mindless killing machine who cares for nothing but wanton mass destruction. If he is not destroyed, Buu will not stop until everything in existence is wiped out.
Sneezing Personality.gif|While she has blue hair, Launch (Dragon Ball) is sweet and gentle. However, whenever she sneezes, her hair turns blonde and Launch becomes a vicious psychopath.
Broly Crushes Paragus and Pod.gif|Broly (Dragon Ball Z) is destructive, drove insane by Son Goku/Kakarot when they were infants, to the point of killing his father on a whim.
SSJR Goku Black Divine Lasso.gif|With his Super Saiyan Rosé, Goku Black (Dragon Ball Super) is one of the most dangerous users can anyone kill his opponents so easily.
Toyahisa Shimazu (Drifters).png|Toyahisa Shimazu (Drifters) is a warrior born and bred, having slaughtered many enemies in the field of battle.
Lucy (Elfen Lied) Vectors.gif|Lucy (Elfen Lied) is a Diclonius driven by the DNA Voice to replace all non-horned humans on Earth.
Acnologia enjoys battle.png|A ruthless Dragon Slayer, Acnologia (Fairy Tail) slaughtered countless Dragons to satisfy his thirst for revenge.
Zeref.png|In order to fully control his Ankhseram Black Magic, Zeref Drageel (Fairy Tail) learned to suppress his compassion and hardened his heart, becoming cold-hearted enough to kill without mercy.
Future Rogue (Fairy Tail) Dragon Manipulation.png|Future Rogue (Fairy Tail)
Arifureta-LN-v06-006.png|Eri Nakamura (From Common Job to Strongest) is extremely twisted and cruel, seeing all people as worthless trash. Her obsession with Kouki led her to plot a massacre by zombifying the Knights of Heiligh Kingdom and her Classmates into her undead puppets.
Hiyama malice-1.jpg|Already cruel and sadistic, Daisuke Hiyama (From Common Job Class to World's Strongest) was driven insane by jealousy to Hajime for Kaori's love, becoming a murderous psychopath who assisted Eri in her massacre by killing the Knights of Heiligh Kingdom and Kaori to make her his undead sex slave.
Yuno Gasai (Future Dairy).gif|Ruthless, cold, and calculating, Yuno Gasai (Future Diary) is perhaps the world's greatest and deadliest Yandere.
Utsuro, the Immortal of Earth Gintama.gif|Having suffered persecution for centuries due to his Immortality, Utsuro (Gintama) developed multiple personalities that turned into serial killers and cold-blooded assassins, eventually becoming omnicidal.
Gintoki Sakata, The White Demon (1).gif|Gintoki Sakata (Gintama)
Goblin Slayer glowing red eye.png|Goblin Slayer (Goblin Slayer) is completely ruthless in hunting down goblins, to the point of massacring any goblins nest he can find...
Goblin Slayer merciless.jpg|...including children mercilessly to prevent them from becoming threats in the future.
Duke Togo the Assassin of the Unlucky (Golgo 13).png|Cold, ruthless, and strictly professional, Golgo 13 (Golgo 13) will kill anyone or thing who gets between him and his target.
Raoh kills A Tiger Fist of the North Star.gif|A near merciless man, Raoh (Fist of the North Star) was a ruthless martial artists and...
Raoh sword break.gif|...and conqueror as he killed countless martial artists and warriors with his bare hands as Ken-Oh/The King of Fist.
Yushin Hero Killer.jpg|Aside from his fame as a world class swordsman, Yushin (Hero Killer) is one of the greatest killers in the world, having spent centuries in studying the most efficient ways on how to kill someone. 
Ihwa, the Hero Killer.jpeg|Ihwa/Hero Killer (Hero Killer) 
Yang Jintae Hero Killer.png|Jintae Yang (Hero Killer) was infamous for his bloodthirsty nature as he killed countless victims for the fun of it. 
Hisoka bloodlust.jpg|Hisoka Morow (Hunter X Hunter) has an insatiable love for spilling the blood of powerful fighters in combat and his enjoyment of extreme pain while doing so fuels his seemingly sadomasochistic desires.
Killua's Nails.gif|Born from a family of assassins, Killua Zoldyck (Hunter X Hunter) shows almost no mercy towards his opponents.
Demon InuYasha.jpg|Inuyasha (InuYasha), when overcome by his demon blood, has tremendously murderous intent.
High DIO (JoJo).gif|Whether it was due to being raised by his brutal, abusive father or being born evil, DIO Brando (JoJo's Bizarre Adventure)...
DIO's Maul.gif|...showed a complete lack of restraint in his violence and was prone to sadist murderous outbursts even as far as his childhood.
Kars Anime JoJo.png|Despite his stern, no-nonsense exterior, Kars (JoJo's Bizarre Adventure) possessed a murderous and sadistic nature...
Kars (JoJo) genocide.gif|...massacring his entire race, including his parents, when they sought to execute him in order to maintain the natural order.
Yoshikage Kira's lickylicky.PNG|Lurking unnoticed in the town of Morioh for years, Yoshikage Kira (JoJo's Bizarre Adventure) was a paraphilic serial killer.
Diavolo2.gif|Diavolo (JoJo's Bizarre Adventure), the Boss of the gang Passione.
Kid Bruno's mindset.gif|At the young age of 12, Bruno Bucciarati (JoJo's Bizarre Adventure Part V: Golden Wind/Vento Aureo) ruthlessly and coldly murdered gangsters aiming to take his father's life.
Killing Instinct by Giorno Giovanna.png|Inheriting his father DIO Brando's mentally, Giorno Giovana (JoJo's Bizarre Adventure) has shown his ability to kill when it's necessary or the last resort.
Risotto Nero JoJo.gif|Risotto Nero (JoJo's Bizarre Adventure)
Cioccolata and Secco (JoJo).gif|Cioccolata and Secco (JoJo's Bizarre Adventure)
Johnny Joestar (JoJo Steel Ball Run) Dark Determination.png|Dark Determination (JoJo's Bizarre Adventure) is a state of mind that shows up when a person with malicious intent or ambiguous morals briefly supersedes all their moral restraints to achieve an objective, using cold-blooded violence to outright murder as a means necessary...
Jolyne Cujoh (JoJo) Dark Determination.gif|...Jolyne Cujoh (Part 6) with her Dark Determination...
JosukeDarkDetermination.jpeg|...Josuke Higashikata (Part 8) showing his Dark Determination.
Jujutsu Kaisen Yuji Sukuna Cursed Spirit punishes Mahito.gif|Sukuna (Jujutsu Kaisen)
Inverted Spear of Heaven (Jujutsu Kaisen).gif|Toji Fushiguro (Jujutsu Kaisen)
Satoru Gojo's Strength JUJUTSU KAISEN.gif|Satoru Gojo (Jujutsu Kaisen) 
Shin's Swordsmanship at Sai Kingdom.jpg|Blessed with an unbreakable set of morals, Ri Shin (Kingdom) shows absolutely no mercy towards anyone who points their blade towards him while on the battlefield or in a fight to the death.
Ei Sei's Swordsmanship Kingdom.jpg|With his goal of unifying the entirety of China, Ei Sei (Kingdom) holds no qualms about the amount of blood that will be shed on the path of his dream and won't shy away from killing any opponent that intends to take his life.
Kyou Kai's Priestess Dance Kingdom.jpg|A compassionate woman that's grown merciful, Kyou Kai (Kingdom) shows no mercy towards anyone that aims for her life, having buried over thousands of enemies.
Ou Ki Swoops In Kingdom.png|As a Great General, Ou Ki (Kingdom) took the lives and heads of over thousands of enemy soldiers in his decades long career and easily cutting down anyone foolish enough to challenge him on the battlefield.
Haku Ki, Leader of the Qin's Six Generals Kingdom.PNG|Haku Ki (Kingdom) was the cruelest and most ruthless member of Qin's Six Great Generals' first generation and was responsible for the deaths of over 890,000 enemy soldiers in his military career...
The Death of Chou Hei Kingdom.png|...having ordered the deaths of over 400,000 captive soldiers...
The Death of Chou Hei 2 Kingdom.png|...by burying them alive.
Tou's Faru and Feru mincemeat melee.png|Tou (Kingdom) is an honorable and stoic man that is merciless when fighting on the battlefield, decimating entire battalions with a cool and steady outlook. 
Mou Bu Smashes the Kyou Bou Unit kingdom.jpg|Mou Bu (Kingdom) has annihilated entire armies of enemy soldiers, having literally turned his opponents into bloody pulp.
Kan Ki the Beheader Kingdom.jpg|Arguably the greatest mass murderer amongst his generation of military commanders and Great Generals, Kan Ki (Kingdom) was a vicious man with a thirst for blood as he massacred thousands of opponents through acts of torture to mutilation while installing a deep sense of dread in them... 
Kan Ki's Bloody Work Kingdom.jpg|...even in his youth he was ruthless, having butchered countless bandits in order to strike fear into anyone that tried to harm his adopted family... 
Kanki, the Beheader Kingdom.png|...and in his years as a bandit leader, he became infamous for personally beheading every person in any villages he conquered, which earned him the moniker The Beheader...
Kan Ki's Repayment Kingdom.jpg|...maintaining his thirst for blood even after joining the Qin Military...
Kan Ki's Massacre of Eikyuu Kingdom.jpg|...having ordered the deaths of over thousands of captured soldiers without a shard of remorse.
Ri Boku Stabs Kingdom.jpg|Ri Boku (Kingdom)
Hou Ken's Attacking Return Kingdom.jpg|Hou Ken (Kingdom) was a ruthless martial artist... 
Hou Ken's Presence Kingdom.png|...who was well known for coldly massacring his victims.
Rin Ko's Assassinations 1 Kingdom.png|Rin Ko (Kingdom)
Ren Pa, the Great General of China Kingdom.png|As a Great General, Ren Pa (Kingdom) has taken the lives of over thousands of enemy soldiers.
Man Goku Kingdom.png|After witnessing the death of his entire family during the Massacre at Chouhei as a child, Man Goku (Kingdom) became obsessed with vengeance against the State of Qin...
Man Goku's pile Kingdom.png|..., repeatedly committing vicious atrocities on its citizens during his career as a general which earned him the epithet, General of Assault.
Rin Bu Kun SMASH!! Kingdom.png|Rin Bun Kun (Kingdom)
Kou Yoku's Bakyuu Strike Kingdom.jpg|Kou Yoku (Kingdom)
Haku Rei of the 10 Bows of China.PNG|Haku Rei (Kingdom)
Tai Roji Slays Shi Kika Kingdom.png|Known infamously as a "wife-killer", Tai Ro Ji (Kingdom) was a cruel man as he coldly murdered several of his wives over any conduct that he deemed as wrong. 
Yuu Ren kills her sister.PNG.png|Raised as an assassin, Yuu Ren (Kingdom) was ruthlessly dedicated towards her Clan Shiyuu's twisted traditions to point of dutifully committing sororicide to finalize her training.
Gai Mou's Combat Ability Kingdom.png|Gai Mou (Kingdom)
Earl Shi's Combat Ability Kingdom.png|Before his death, Earl Shi (Kingdom) was one of the deadlist men in the Wei Military as he buried over thousands of opponents
Zenou's War Mace and Power Kingdom.png|Zenou (Kingdom)
Ba Tei Strikes the Gaku Ka Kingdom.jpg|Ba Tei (Kingdom)
Rai Do Kingdom.png|Like Kan Ki, Rai Do (Kingdom) was a vicious killer since his days as a bandit leader.
Saki Clan Kingdom (1).png|Members of the Saki Clan (Kingdom) were taught by Kan Ki to be ruthless killers and torturers in order to survive the harsh reality of being weak, becoming specialists within the Kan Ki Army who were known for their excessive sadism with their "Interrogation" skills...
Saki Clan's Arch of Corpses Kingdom.jpg|..., shocking even the bravest and fearless of soldiers with their skills in psychological warfare after turning the corpses of civilians of Kokuyou Hills into a human arc.
Io Kingdom.jpg|Taught by Kan Ki himself, Io (Kingdom) has killed numerous bandits to survive the harshness of reality and tortured dozens of enemy soldiers as one of Kan Ki's closets commanders.
Ji Aga's Mace Kingdom.jpg|Ji Aga (Kingdom) was famous for his brutality on the battlefield as masscured countless opponents.
Bunen, Vicious Brother of the Quanrong Kingdom.jpg|Known as the Dread Commander, Bunen (Kingdom) was the cruelest member of the Ryouyou's royal family as it was said if he caught any of his soldiers frowning while he ordered them to fight with suicidal tactics, he would drag out their entire families and brutally massacre them in front of them.
Gyou' Un's Heavy Strike Kingdom.jpg|Before his death, Gyou'Un (Kingdom) buried thousands of enemy soldiers in his incredible military as he could slaughter dozens.
Ba Nan Ji, Berserk Kingdom.jpg|Infamous for his viciousness, Ba Nan Ji (Kingdom) became known as the Demon of Ganmon for his passionate, rage-filled combat skills while killing entire swarms of the Xiongnu.
Maruss.png|Mars (Konjiki no Gash Bell!/Zatch Bell!) sees every demon in the battle to become the next demon king as a target. Due to his best friend-turned-enemy Tio getting away from him so many times, he threatened to attack her bookkeeper's concert to relieve his frustration.
Koko burns her village.png|Zofis (Konjiki no Gash Bell!/Zatch Bell!) is a heartless demon who only cares about winning the tournament to decide the next king so he can rule with an iron fist. After brainwashing a kind girl named Koko into becoming his bookkeeper, Zofis forced her to burn down her village.
Clear Note’s Destiny.jpeg|Clear Note (Konjiki no Gash Bell!/Zatch Bell!) believes killing demons is the very reason for his birth and only wants to become king so he can bring genocide upon his people.
Vino the Talking Infant.jpeg|Despite being an infant, Clear Note's bookkeeper, Vino (Konjiki no Gash Bell!/Zatch Bell!) enjoys helping his demon and gets sadistic pleasure in hurting people and demons alike.
Thernadier childhood.png|Due to his father's corrupt teachings, Felix Aaron Thenardier (Madan no Ou to Vanadis)...
Thernadier young adulthood.png|...grew up to become an extremely ruthless and brutal tyrant.
Gyokuen insanity.png|Driven insane by her hatred for King Solomon, Arba (Magi the Labyrinth of Magic) became immensely sadistic and brutal willingly to kill even her own descendants for both world annihilation and sadistic entertainment.
Danna’s Body.jpeg|As a creature born from evil energy, Orb (Marchen Awakens Romance) will kill anyone he wants without even a remote sense of remorse.
True Diana.jpeg|Influenced by the Orb, Diana (Marchen Awakens Romance) has grown into a power-hungry woman who will show no mercy to those who stand in her way of becoming the queen of MÄR Heaven.
The Chess Leader.jpeg|Despite his charms, Phantom (Marchen Awakens Romance) is the mad leader of the evil Chess Pieces army, who accepted the Zombie Tattoo to become immortal. Looking down on the mortality of the world, Phantom will stop at nothing to wipe out all of humanity.
Zombie Tattoo Spreading.JPG|While under the influence of the Zombie Tattoo, Alviss (Marchen Awakens Romance) entered a berserk state where he wouldn't hesitate to kill his own allies.
Bloodsucker Peta.jpeg|Peta (Marchen Awakens Romance) shares Phantom’s ideals that humans are trash and feels no regret for the pain he causes others. He once even wiped out an entire fortress, not only killing enemy warriors but innocent women and children as well.
Sadistic Halloween.gif|After killing the ones who constantly bullied him as a child, Halloween (Marchen Awakens Romance) learned the pleasure of tormenting others. He grew up to join the Chess Pieces as one of their strongest and most sadistic soldiers.
My Name Is Chimera.jpeg|After acquiring the power to get revenge on the men who tortured her, Chimera (Marchen Awakens Romance) decided to abandon her humanity as well as her original name, Eileen. Becoming known as Chimera, a monster who enjoys giving pain rather than receiving it.
Weasel of the plants.jpeg|Vidar's (Marchen Awakens Romance) vile tree guardian, Yggdrasil feeds on people's pain, so he joined the Chess Pieces in their killing spree to make Yggdrasil bigger and stronger.
Galian the traitor.gif|Galian (Marchen Awakens Romance) sold out his subordinates of Luberia after leaving to join the Chess Pieces for power, and even burned what remained of the fortress without any remorse.
Candice.jpeg|Candice (Marchen Awakens Romance) was a sadistic army commander who showed no mercy in battle. Her bloodlust only increased when she defected to join the evil Chess Pieces.
Deranged Siblings.jpeg|After their father died, Rapunzel and Girom's (Marchen Awakens Romance) mother began abusing them, denying them food and whipping them each day. The abuse seeped into them giving them sadistic personalities, and they murdered their mother with an axe and eventually joined the Chess Pieces.
Kouga the Ugly.png|Because of his ugly face, Kouga (Marchen Awakens Romance) has been treated miserably ever since he was a boy. The abuse and humiliation drove him into madness. Ever since he joined the Chess Pieces, he's had a tendency to kill those around him, especially handsome boys.
Pinocchion the Doll of Death.jpeg|Pinocchion (Marchen Awakens Romance) is a doll brought to life with dark magic. In addition to being a liar, Pinocchion is a sociopath who won't hesitate to kill to impress the Chess Pieces’ Queen.
Orco.jpeg|Orco (Marchen Awakens Romance) is a simple-minded but sadistic Bishop class Chess Piece. He takes pleasure in destroying buildings and along with Girom, was the one who demolished the beautiful city of Vestry.
Maira.png|Maira (Marchen Awakens Romance) was once nothing but a cowardly Pawn-class Chess Piece. One day however he discovered Vaqua, a Guardian ÄRM with the power to absorb others. Since then, Maira has found pleasure in using Vaqua to absorb as many people as possible.
Gathering the barbaric Zonnens.gif|After the Chess Pieces threw the world of Mär Heaven into chaos, the Zonnens (Marchen Awakens Romance) indulged in abominable acts of abduction, decimation, and destruction and beheld the ravage as a sight of beauty. Even the Chess commander, Phantom was revolted by the group's barbarity.
Saturn the leader of the Zonnens.PNG|Saturn (Marchen Awakens Romance) is the leader of the barbaric Zonnens. Despite his Rook earring, Saturn possesses both the power and viciousness of a Knight-class Chess Piece. He even considers being called a monster as a compliment and prefers to torture his opponents before he kills them.
Redrun attacks Metabee.jpeg|Redrun (Medabots) is a Kilobot programmed to fight those she senses as worthy opponents. Even after their defeat, she refuses to end her assault until they're completely destroyed.
Kei Munakata.jpg|Kei Munakata's (Medaka Box) Abnormality is his instinctive desire to kill. His instinctual ability as a killer is so great that he is capable of inflicting fatal injuries with his bare hands.
Stain's bloodlust.gif|Hero Killer Stain's (My Hero Academia) desire to kill "fake heroes" can frighten even the most experienced of heroes with his aura alone.
Himiko Toga.jpg|Himiko Toga (My Hero Academia) has such a strong killing instinct, she can savagely murder with a cutesy attitude.
All For One Attacks.jpg|All For One (My Hero Academia) will kill anyone who stands between him and his ambitions.
Seven Ninja Swordsmen of the Mist Naruto.jpg|Having grown up or lived through the era of the Bloody Mist, The Seven Ninja Swordsmen of the Mist (Naruto) were infamous for their bloodthirsty nature and viciousness...
Zabuza Momochi.gif|...holding the title of a Demon, Zabuza Momochi slaughtered over 100 Academy students without pause or hesitation as a child...
Jinpachi Munashi (Naruto) Explosive Blade the Splatter Shibuki.gif|...Jinpachi Munashi...
Ameyuri Ringo (Naruto) Lightning Blades the Fangs Kiba.gif|...Ringo Ameyuri ...
Jinin Akebino (Naruto) Blunt Blade the Helmet Splitter Kabutowari.gif|...Jinin Akebino...
Kushimaru Kuriarare (Naruto) Long Blade the Sewing Needle Nuibari.gif|...Kushimaru Kuriarare...
Mangetsu Hōzuki.png|...Mangetsu Hōzuki...
Gaara's Existence.gif|Before being defeated by Naruto Uzumaki, Gaara (Naruto) was a near-psychotic killer, especially when Shukaku influenced him...
Gaara Kills Shiba.gif|...that even the slightest provocation would lead him to brutally murder the offenders.
Shukaku's Rampage.png|Shukaku (Naruto) is a very bloodthirsty monster tanuki, and even more so when under the full moon.
Kaguya.png|The now extinct Kaguya Clan (Naruto) was known for their savagery and lust for bloodshed and war.
Sasuke Hatred and Anger Naruto.gif|Deranged with revenge and hatred towards Konoha/Leaf Village, Sasuke Uchiha (Naruto) become a completely amoral murderer…
Sasuke vs. Samurai.gif|…ruthlessly killing a great number of Samurai…
Sasuke (Naruto) stabs Karin and Danzo.gif|…and stabbing through his fellow Taka, Karin in order to kill Danzo Shimura.
Jūgo's Sage Transformation.png|When his enzymes take over, Jūgo (Naruto) becomes temporarily insane with killing intent.
Madara Uchiha, the Ghost Uchiha.gif|Hardened by a war-torn childhood and the deaths of his brothers, Madara Uchiha (Naruto) became completely apathetic and disillusioned towards reality and seeks to replace it with a dream world in the Infinite Tsukuyomi regardless of how many people must die...
Madara stabs Sasuke.png|...even if it means killing one of his last remaining descendants.
Obito Uchiha (Naruto) massacre.png|After the death of Rin Nohara, Obito Uchiha (Naruto) became resentful towards the reality which he saw as living hell, and thus has no qualms massacring ninjas of the Hidden Leaf, even causing the death of his own teacher.
Nagato2.jpg|Driven by anger and despair over the death of his best friend Yahiko, Nagato (Naruto) became completely merciless, described to have a cold heart of steel renaming himself Pain.
Kakuzu tears out hearts.png|Possessing a dangerously violent temper, Kakuzu (Naruto) would ruthlessly kill anyone who displeased or annoyed him.
Puppet Sasori.png|Hardened by his parents' death and the corrupt militaristic teachings of the Hidden Sand, Sasori (Naruto) has become devoid of compassion and empathy and saw people as nothing more than materials to create organic puppets.
Hidan Ritual.jpg|Hidan (Naruto) is a religious fanatic to ritual killing by painfully sacrificing people in the name of his god, Jashin.
Itachi and his parents.jpg|Even though he cared for his family deeply, Itachi Uchiha (Naruto) killed his entire clan sparing only his little brother, Sasuke.
Cheon Yeo Woon's Telekinesis Neck Twist Nano Machine.jpg|Cheon Yeo Woon (Nano Machine)
Jeok Cheongang Murim Login.jpg|One of the most ruthless men in the murim, Jeok Cheongang (Murim Login) is famous... 
Jeok Cheongang's Massacre Murim Login.jpg|...for burning alive thounsands of demonic cult martial artists...
Jeok Cheongang's Finger Chi Murim Login.jpg|...and regulerly kills anyone showing hostility towards him.
Jin Taekyung Murim Login.jpg|Normally a nice and friendly man, Jin Taekyung (Murim Login) developed an impressive killer instinct in his other life as a martial artist in the murim...
Jin Taekyung's Troll Hunt Murim Login.jpg|...regulerly killing countless monsters in his life as a Hunter...
====O-Z====
Zoro vs. Wano Officials (One Piece).gif|Though an honorable swordsman with a heart of gold, Roronoa Zoro (One Piece) is also capable of being completely ruthless and merciless towards his enemies and opponents.
Shiryu.gif|When Shiliew of the Rain (One Piece) was the Head Jailer of Impel Down, he ruthlessly killed any prisoner he wanted and didn't hesitate to cut down the employees who let him out of his cell.
Sakazuki, the Red Dog of the Marines.gif|The Fleet Admiral of the Marines, Sakazuki/Akainu (One Piece) is deeply feared by both pirates and marines alike due to his complete ruthlessness in serving Absolute Justice.
Arlong Angry.PNG|When Arlong (One Piece) is angry, he enters a killing mode of a sort, befitting that of a shark.
Hatred for Humans.jpeg|Hody Jones (One Piece) inherited the Fishman's hatred for humanity since he was taught to do so. He and his crew harm their minions and any fishman who are friendly to humans.
Doflamingo's smirk.gif|Donquixote Doflamingo (One Piece) is a sadistic tyrant described by his own brother as a demon who was born evil. Due to childhood trauma, he swore revenge against the Celestial Dragons by vowing to destroy the world they ruled over, massacring countless people including Dressrossa citizens, and killing his own father and brother.
Demented Scientist.JPG|Caesar Clown (One Piece) is a mad scientist with a reputation for building weapons to murder people and no problem killing his own henchmen just to demonstrate his inventions.
Furious Pica.JPG|Pica (One Piece) is very sensitive about his high-pitched voice, if someone so much as snickers, he will violently slaughter them leaving nothing but red paste.
Don't Ever Laugh.JPG|Due to being constantly ridiculed during his years as a slave, Gild Tesoro (One Piece) will kill anyone who dares to laugh without his permission.
Half Fighting Fish.png|Despite his flamboyant and flashy attitude, Dellinger (One Piece) becomes sadistic and bloodthirsty because of his own heritage of Fighting Fish Fishman.
Hothead Gladius.png|Gladius (One Piece) is feared for his very short temper which often gets the best of him. If someone offends him or his captain, Doflamingo in even the slightest way Gladius will use his powers to blow them up.
Caribou The Psycho.PNG|Caribou (One Piece) is an insane pirate known for slaughtering Marines. His sadistic nature leads to him using brutal ways to kill people such as burying them alive or suffocating them with his powers.
Hakuba the Sleep Slasher (One Piece).gif|Cavendish (One Piece) possesses a dual personality, Hakuba, who is ruthless in slashing down everyone in range whenever Cavendish falls asleep.
Big mom 2.jpg|Charlotte "Big Mom" Linlin (One Piece) is immensely brutal, ruthlessly killing anyone, even her own children. What she desires above all is sweets and will destroy entire countries should they fail to give it to her. Invitees who refused to attend her tea parties will have their loved ones decapitated as presents.
Charlotte Family Infobox.png|Due to their mother's influence, most of the Charlotte Family (One Piece) are just as murderous and ruthless as their tyrannical captain...
Perosperos sadistic-1.png|...one of the most sadistic members of the Charlotte Family, Charlotte Perosperos will often cannibalize people by turning them into candy structures...
Charlotte Katakuri, the Second Son of Charlotte.png|...fiercely loyal to his mother and siblings, Charlotte Katakuri will ruthlessly kill anyone who threatens his family...
Oven naginata blade.gif|...due to his absolute loyalty to his mother, Charlotte Oven is even more ruthless than his brother Katakuri, burning alive anyone who dares to opposed Big Mom, having no sympathy towards those his mother has victimized...
Daifuku genie.png|...like his brothers and sisters, Charlotte Daifuku has the utmost loyalty to his mother which drives his ruthlessness to kill without mercy and remorse, as he prepares to execute Sanji to start her Vinsmoke Assassination plans...
Brulee.jpg|...Charlotte Brulee enjoys killing and disfiguring attractive girls...
Amande-slices-kingbaum.gif|...living to her nickname of Demon Lady, Charlotte Amande believes there is no meaning in slaughter if the victims can't experience the pain. Demonstrating as she slowly sliced King Baum, giving the giant tree an agonizing death...
Pudding past-1.png|...having been viciously bullied and scorned for her third eye as a child, Charlotte Pudding…
3rd Eye Pudding.png|…grew up to be very cruel and sadistic...
Vinsmoke Family One Piece.PNG|The Vinsmoke Family (One Piece) is a royal family of prestigious Underworld mercenaries.
Don Krieg.jpg|Don Krieg (One Piece) is a ruthless pirate admiral known for his underhanded tactics and mass murders. His dishonesty and brutal nature earned him the alias "Foul Play Krieg".
Kaido (One Piece) Strongest Creature.png|Kaidou (One Piece) is a completely ruthless warrior who does not make himself open to negotiation or excuses and won't hesitate to kill should someone fail to comply with his demands...
Kaido executing Orochi.jpg|...executing even his longtime ally Kurozumi Orochi for refusing to comply with his demands.
Jack the Drought (One Piece).png|Jack (One Piece) has an unreasonable nature and always resorts to bloodshed, including attacking children and the elderly, and has a love for causing destruction, even when there is no real benefit to it.
Rob Lucci, the Best of CP9.gif|Trained and raised to an enforcer of the World Government's "justice", Rob Lucci (One Piece) is a heartless killing machine and the strongest member in the history of CP9…
Rob Lucci slaughter.gif|...even at the age of 13, he slaughtered over 500 kingdom soldiers for surrendering to pirates…
Lucci bites Luffy.PNG|...and was especially bloodthirsty in a battle, due to his Neko Neko no Mi: Model, Leopard being a Carnivorous Zoan type. Even going so far as to turn into a full leopard and maul his opponent.
Enel Sango.gif|Thinking of himself as God because of his Logia Devil Fruit powers, Enel (One Piece) believes he has the right to kill anyone he wants and is one of the most sadistic, egotistical, and uncaring characters of the series. He even destroyed his entire home, Birkia just because he felt like it.
Kuro (One Piece) Shakushi.gif|Taking pride in being the captain, Kuro (One Piece) shows absolutely no remorse in killing his subordinates whom he deems as nothing more than pawns in his plans.
Capone Bege underworld.png|A bloodthirsty psychopath, Capone "Gang" Bege (One Piece) is infamous in the Underworld for attacking mafia leaders simply for the sake of causing blood-smeared chaos. His lust for bloodshed is so extreme, that he set to seas and became a ruthless pirate.
Kurozumi Orochi Anime Infobox.png|Kurozumi Orochi (One Piece) is an evil Shogun who tyrannized Wano Country as revenge for persecution of his family.
Queen's Heartless.png|Queen (One Piece) is one of the most sadistic All-Stars of the Beast Pirates, toying with people's lives in twisted execution games.
Killing Instinct by Deep Sea King.gif|The Deep Sea King (One-Punch Man) was a sadistic monster who enjoyed causing pain to others and starting fights.
Garou.png|Veiwing the world as unjust and unfair, because people favored the popular over the impopular, in his eyes the Heroes and the Monsters, Garou (One-Punch Man) became a Human Monster who hunts Heroes without discretion for the purpose of building what he views as a fair world.
Oh Kang Woo Player Who Returned 10,000 Years Later.png|Honed from centuries of killing countless demons, Oh Kangwoo (Player Who Returned 10,000 Years Later) is merciless towards anything and anyone that gets in his way, believing that those with intentions to kill or harm should be "rewarded" with even greater amount.
Phantom of inferno assasins.jpeg|Created using the fighting data of Ein, Zwei, and Dre, the Zahlenschwestern (Phantom of Inferno) is elite brainwashed female assassins of scythe master…
Ein and Zwei.jpeg|…Zwei and Ein were taken by scythe master because of their natural killing instincts. They were brainwashed and trained to eliminate any threat to Inferno, his eye color changing whenever his killer instincts are activated.
Cheongmyeong Return of the Blossoming Blade.jpg|A strong-willed man with a sense of justice albeit greatly twisted, Cheongmyeong (Return of the Blossoming Blade) is a ruthless martial artist that will kill anyone or anything related to the Heavenly Demon Cult...
Cheong Myeong's First Kill Return of the Blossoming Blade.jpg|...and those that show even a hint of killing intent directed towards him.
Lee Jaha (Return of the Mad Demon).jpg|A Mad Demon that greatly enjoys death threats, Lee Jaha (Return of the Mad Demon) regularly... 
Lee Jaha's Hold Return of the Mad Demon.jpg|...kills anyone that aims for his life,... 
Lee Jaha's Chi Finger Bolt Return of the Mad Demon.jpg|...ticks him off, harm innocent Errand boys and normal people in front of him, disgust him, and etc.
Pyo Wol Time Skip Reaper of the Drifting Moon.jpg|Pyo Wol (The Reaper) 
Akua Phasing.jpg|Akua Shuzen (Rosario + Vampire) giving her signature deranged look filled with killing intent.
Ryoma's Ways Record of Wortenia War.jpg|Taught and trained by his grandfather to never show any mercy or hesitation towards an opponent's intent to do him harm, Ryoma Mikoshiba (Record of Wortenia War) will kill anyone who aims to take his life or when it's necessary.
Takamura cuts Tokyo Tower.jpg|Liken to being the embodiment of the JAA's Killing Intent, Takamura (Sakamoto Days) is a killer with no brakes as he kills anyone or anything that shows even a slight hint to do him harm.
Sakamoto's Strangulation Sakamoto Days.jpg|Before retiring, Taro Sakamoto (Sakamoto Days) was one of the most ruthless assassins in Japan, having killed targets numbering in hundreds.
Nagumo's Invisible Sword Sakamoto Days.jpg|Nagumo (Sakamoto Days)
Osaragi's Collapsible Buzzsaw Sakamoto Days.png|Osaragi (Sakamoto Days)
Shishiba's Dual Hammers Sakamoto Days.png|Shishiba (Sakamoto Days)
Gaku Mace Slaughter Sakamoto Days.jpg|A trained assassin, Gaku (Sakamoto Days) shows no remorse in killing his targets.
Apart's Cutting Sakamoto Days.png|A serial killer, Apart (Sakamoto Days) is quite adapt in killing others.
Demon Eyes Kyo (Samurai Deeper Kyo).jpg|A sadistic creature, Demon Eyes Kyo (Samurai Deeper Kyo) loves killing his enemies and strong opponents, delighting in their deaths.
Hwang Dong-Su Solo Leveling.jpg|Hwang Dong-Su (Solo Leveling) lacked any and all compassion for others, more so due to his strength and status as an S-Rank Hunter believed that he could kill as many people as he liked with no consequences.
Sung Jin-Woo's Thrivation.png|Though caring and loving towards his friends and family, Sung Jinwoo (Solo Leveling) will do whatever it takes to protect those important to him and survive…
Jin Woo 56.png|…turning into an almost completely different person when faced with an opponent or enemy…
Sung Jin-Woo's Demon Killing.jpg|…killing countless monsters to hunting down all eight Monarchs who leads them…
Sung Jin-Woo's Senses 2 (Solo Leveling).png|…and wouldn't hesitate to turn Hunters into his targets, even if it meant turning all Hunters in the world into his enemies.
Seomun Yeop's Instinct to Kill.jpg|Generally a nice man with a fierce approach to life, Seo Munyeob (The Esper's Battlefield) is a natural born killer with superb instincts and a thirst for life and death battles, even as a child he once flawlessly murdered his abusive caretaker without a hint of remorse or hesitation...
Seo Munyeob's Glory The Esper's Battlefield.jpg|...and massacred thousands of Underground monsters in his career as a Hunter with an honest to Goodness smile on his face.
Giriko.jpeg|Giriko (Soul Eater) can overwhelm his opponents with the sheer raw power of the bloodlust built up over 800 years.
Yu Ominae.jpg|Yu Ominae (Spriggan)
Yongbi, Goofy Bo Master.JPG|Regularly a silly and perverted man obsessed with money, Yongbi (Yongbi the Invincible) shows no mercy towards any opponent and enemy that aims for his life...
Yongbi's Spear (Yongbi the Invincible).jpg|...having been once infamous for his viciousness and cold mentality during his military career as he killed thousands of enemy soldiers...
Yongbi's Arrows 2 (Yongbi the Invincible).jpg|...shot and killed hostages in order to quickly start a battle just to take away his enemies' only leverage...
Yongbi's Swordsmanship Yongbi the Invincible.jpg|...and while having grown less ruthless after leaving the military, he has killed over dozens of martial artists since starting life in the murim.
Hyuk's Body World's Greatest Senior Disciple.jpg|Trained to be an assassin for the Murim Alliance, Hyuk Musang (World’s Greatest Senior Disciple) is a ruthless man and near merciless martial artist,... 
Hyuk's Stomp World's Greatest Senior Disciple.jpg|...having buried over hundreds of opponents and dozens of martial masters.
===Cartoons/Comics/Animated Films===
Roger_Kills_Prison_Guards.png|A dangerous sociopath, Roger Smith (American Dad!) killed 24 prison guards to escape Bang Kwang Prison and using their corpses to build a boat.
Conan The Barbarian.png|Conan (Robert Howard's Conan the Barbarian) 
The Birth of the Demon's Head.jpg|Ra's Al Ghul (DC Comics)
Batman - The Man Who Laughs-007.jpg|The Joker (DC Comics)…
Killing Instinct by the Joker.jpg|…is an infamous mass murderer.
Mspoison.jpg|Pamela Isley/Poison Ivy (DC Comics)
Two-Face's Shooting Spree.jpg|Harvey Dent/Two-Face (DC Comics)
Killing Instinct by Damian Wayne.jpg|Damian Wayne (DC Comics)
D'Kay D'Razz, the Mad Martian.jpg|D'Kay D'Razz, the Mad Martian (DC Comics)
James Gordon Jr Torture Session.jpg|Despite his father's work as a police commissioner and an ally to Batman, James Gordon, Jr (DC Comics) is an Apathic psychopath serial killer.
Killing Instinct by Wonder Woman.JPG|A born Warrior, Wonder Woman (DC Comics) snaps Maxwell Lord's neck.
Zsasz.jpg|Victor Zsasz (DC Comics) has a desire to "liberate" people from what he views as a pointless existence.
Penguin2.jpg|The Penguin (DC Comics) finds pleasure in committing violent mass murders and brutal tortures.
TheScarecrow-Arkham Knight.jpg|Scarecrow (DC Comic) enjoys using his fear toxins to psychologically tortured people to the point his victims are literally scared to death or commit suicide.
Doomsday2.jpg|Doomsday (DC Comics) is an unstoppable killing machine driven solely by an unyielding hatred for everything that lives.
Deathstroke wall.jpg|Deathstroke (DC Comic) is infamous as the Terminator due to his ruthless efficiency as the world's greatest assassin and mercenary.
Superman_Kills_Joker.jpg|After the tragic death of his wife Lois Lane and the destruction of Metropolis, Superman (DC Comics: Injustice) slowly went insane with grief and killed the Joker, causing a chain of events that forever changed the entire alternate DC Universe.
Sykes.JPG| An infamous crime boss, Sykes (Disney’s Oliver and Company) has no problem killing others, especially those who owe him money.
Evil Stewie Badass Combat.gif|Evil Stewie (Family Guy), the murderous clone of Stewie Griffin.
Omni-Man kills Immortal.jpg|Nolan/Omni-Man (Invincible/Image Comics)
Killing Instinct by Invincible Mark Grayson.JPG|While reluctant at first, Mark Grayson/Invincible (Invincible/Image Comics) developed a natural killer instinct in response to those that threaten his loved ones and took a lethal approach for a while when dealing with supervillains,... 
Invincible 132-015.jpg|...and those aiming to harm his family.
Oliver GraysonKid Omni-Man's Punch Invincible.jpg|Before growing new perspectives towards life, Oliver Grayson/Kid Omni-Man (Invincible/Image Comics) was very willing to kill his opponents unlike his older brother.
Conquest, the War Dog of Viltrum.jpg|The most sadist Viltrumite to have ever lived, Conquest (Invincible/Image Comics) took great pleasure in killing his opponents that he deemed "worthy"... 
Conquest Violence 1.jpg|...never failing to kill millions when subjecting a planet even when it was unnecessary.
Thragg's Wraith Invincible.jpg|Like the rest of his people, Thragg (Invincible/Image Comics) could easily kill his opponents without baiting an eye...
Thragg's Punch Invincible.jpg|...whether it was a child...
Thragg's Kills Thaedus Invincible.jpg|...or his most hated enemies.
Anissa Invincible .jpg|Anissa (Invincible/Image Comics)
Frank Castle the Punisher.jpg|Frank Castle, the Punisher (Marvel Comics)…
Killing Instinct by The Punisher.jpg|…snapping a pimp's neck.
Sabretooth.jpg|A natural-born killer, Victor Creed/Sabretooth (Marvel Comics) takes a great amount of pleasure in viciously killing anyone or anything in his way…
Victor Creed - Sabretooth.jpg|…was that your throat on the ground?
Wolverine Berserker Rage.png|During his berserk fits, Wolverine (Marvel Comics) is a lethal danger to anyone near him...
Wolverine's Dagger.jpg|...and a masterful professional killer.
Tombstone's hobby.jpg|Lonnie Lincoln/Tombstone (Marvel Comics)
Wilson Fisk, boss of scum.jpg|Wilson Fisk, the Kingpin (Marvel Comics)
Cable's Killing Instinct.jpg|A trained soldier, Nathan Summers/Cable (Marvel Comics) coldly and effortlessly kills one of Mister Sinister's failed creations.
Elektra's Skill.jpg|Elektra (Marvel Comics)
Carnage Blood.jpg|Due to being marked by Knull, God of the Symbiotes, Cletus Cassidy/Carnage (Marvel Comics) has been a psychopathic and deranged serial killer from birth.
Killing Instinct by Akihiro Daken.jpg|Whether it was due to inheriting his father, Wolverine's bottomless blood lust or being raised by the immortal monster known as Romulus, Akihiro Daken (Marvel Comics) was a manipulative psychopathic killer with powerful skills in assassination.
The Owl, the Killer.jpg|The Owl (Marvel Comics)
Killing Intent by Winter Soldier.jpg|The Winter Soldier (Marvel Comics)
Killing Instinct by Fantomax (2).jpg|Shocking the harden killers of X-Force, Fantomex (Marvel Comics) once killed the child clone of Apocalypse.
Killing Instinct by Agent Venom.jpg|Flash Thompson/Agent Venom (Marvel Comics)
Cyber's Training.jpg|Silas Burr/Cyber (Marvel Comics) demonstrating his sadistic pecking order while teaching his students.
Mr. X Marvel Comics.jpg|Experiencing the dying thoughts of a woman getting hit by a car, the man who would become Mister X (Marvel Comics) was fascinated by death after his latent mutant telepathic abilities formed a "bond" with her thoughts as she is slowly dead…
Mister X's art of killing.JPG|…and has since then, dedicated his life to the art of killing in his attempt to recapture the thrill of death.
King Hyperion.png|King Hyperion (Marvel Comics)
Winter Soldier's Strength and Accuracy.jpg|The Winter Soldier (Marvel Comics) 
Mr Pickles kill.gif| Mr. Pickles (Mr. Pickles) kills people who have immorality & sins or harm his family.
Darth Maul's Force Choke.jpg|Darth Maul (Star Wars)
Purging by Darth Vader.jpg|Darth Vader (Star Wars)
Rick Kills Steve Rick & Morty.gif|Rick Sanchez (Rick and Morty)
Noodle's Mazuu Chop Gorillaz.jpg|Noodle (Gorillaz)
Alastor.gif|The Radio Demon, Alastor (Hazbin Hotel) is very much capable of disposing of any threats. Yet he hides this trait behind a charming, eccentric façade.
=== Literature===
King Galbatorix.jpeg|Driven to madness when his dragon Jarnunvösk was killed, Galbatorix (Inheritance Cycle) dove deeper into madness after he was denied another dragon because of his insanity and became interested in the dark arts. After killing Algaësia's king, Galbatorix took over and became the tyrant ruler he is today.
Shruikan.png|Having been controlled, corrupted, and tortured by his rider, Galbatorix his entire life, Shruikan's (Inheritance Cycle) mind is filled with nothing but madness. If he could burn every creature and plant until nothing remains.
Durza the Shade.JPG|As a shade, Durza (Inheritance Cycle) is possessed by numerous evil spirits and was one of King Galbatorix’s most ruthless followers.
Brick Baxter.png|After being driven insane by his own cybernetics, Cyber Shadow (The Young Guardians) became an unstoppable killing machine.
Hannibal-lecter2.jpg|A Lithuanian American serial killer, Dr. Hannibal Lecter (Silents of the Limb/Hannibal) is notorious for consuming his victims.
===Live Television/Movies===
Angel1.jpg|Angelus (Buffy the Vampire Slayer/Angel) is a vampire who killed people for his enjoyment. His evil was so great that he was cursed with a soul.
Savitar Blades.jpg|Savitar (Arrowverse)
Clifford DeVoe.png|Clifford DeVoe/The Thinker (Arrowverse: The Flash)
Deacon-frost-stephen-dorff.jpg|Being a vampire for Deacon Frost (Blade film) meant killing humans.
Boogeyman2-4.jpg|The Boogeyman (Boogeyman film) is a monster who terrorizes and kills innocent people.
Dexter Morgan.jpg|Dexter Morgan (Dexter)
Gil Harris.JPG|Having been horribly abused along with his friends during the 9 months they spent in Quitman Correctional Facility, Gil Harris (Game of Silence) has grown into a short-tempered man with a burning desire to kill the ones who tortured him as a boy.
Warden Carroll.jpeg|Warden Ray Carroll (Game of Silence) is the sadistic warden of Quitman Correctional Facility. Exploiting his power, many boys were systematically drugged, abused, and even killed by Carroll and his staff.
Diana Stockman.jpeg|Diana Stockman (Game of Silence) is a powerful CEO and longtime business partner of Ray Carroll. She is just as sadistic and remorseless as Warden Carroll.
Red Tyson.PNG|Red Tyson (Game of Silence) is one of the worst of the guards who worked at Quitman. Under the warden's orders, Red took pleasure in tormenting the inmates as much as possible.
Terry Bausch.JPG|Because he was a privileged inmate who was encouraged to torment the other kids in Quitman, Terry Bausch (Game of Silence) has grown into a cold-hearted thug.
File:Michael Myers.jpg| Michael Myers (Halloween), killing his family & young minors. Unknown how did he became evil & murderous at age 6.
Sylar (2).jpg|Sylar (Heroes) had a "hunger" to gain so many powers, in order to do that he had to kill his superhuman victims.
Dean Winchester, The Smith and Wesson Master.gif|Dean Winchester (Supernatural)
Sam Winchester.jpg|After his first restoration, Sam Winchester (Supernatural) became more hostile when it came to hunting the supernatural.
The Mark of Cain.jpg|The Mark of Cain (Supernatural) instills extreme bloodlust in whoever bears it, affecting the bearer to where they constantly must kill something…
Spn Cain.png|…Cain, the third bearer of the Mark, also known as The Father of Murder was one of the most legendary, powerful, and feared demons of all time…
Dean Marked.jpg|…Dean Winchester, the fourth bearer, became consumed with such murderous rage that he nearly killed his brother and best friend, and murdered an innocent boy.
AmaraKillsAngels3.gif|The Darkness/Amara (Supernatural)
Lucifer (Supernatural) kill pagan gods.gif|Lucifer (Supernatural)
Castiel-Supernatural.gif|Castiel (Supernatural)
Hyde (Wednesday).png|Arguably the most dangerous of all types of Outcasts, Hydes (Wednesday) usually only awaken when their human self has a severe traumatic experience, and when tranformed care about little else than murdering everything they see.
ChuckyDoll.jpg|Chucky (Child's Play) is a doll possessed by the soul of Charles Lee Ray, known as "The Lakeshore Strangler", for his mass murders.
Jason's Rampage Friday the 13th.gif|Jason Voorhees (Friday the 13th) is a silent unstoppable killing machine who will slaughter anyone around him due to a burning need to avenge his beloved mother.
Freddy Kruger (A Nightmare On Elm series) Claws.jpg|Freddy Krueger (A Nightmare on Elm Street) is the son of 100 maniacs who traps and kills his victims in nightmares.
Anton Chigurh No Country for Old Men.jpg|Anton Chigurh (No Country For Old Men) is a hitman who has no remorse or compassion for other human beings.
Koba.JPG|Having been mistreated by humans, Koba (Planet of the Apes) fears the day apes and humans will be able to coexist. To prevent this, he went to extreme lengths such as shooting his leader, Caesar and framing a human to form an all-out war.
Predator - Hunters.jpg|The Yautja (Predator/Aliens vs. Predator) are a race-focused completely on hunting and killing anything they deemed worthy prey. Humans and xenomorphs being their favorites.
Lord Voldemort.jpg|Due to his inability to feel empathy, Tom Riddle/Lord Voldermort (Harry Potter) is capable of killing people without any form of mercy and remorse...
VoldemortHorcruxes.jpg|... for example murders of those who he used to create his Horcruxes, among them his own father.
Brandon Breyer (Brightburn) Kills Kyle with Heat Vision.gif|Brandon Breyer (Brightburn) kills his father, Kyle, without any hesitation.
Jurassic world indominus rex v2 by sonichedgehog2.png|Indominus rex (Jurassic World)
===Video Games===
Raidou.jpg|Raidou's (Dead or Alive) endless thirst for power is only matched by his demonic brutality.
Dante.png|Dante (Devil May Cry)
Virgil.png|Nicknamed the Dark Slayer, Vergil (Devil May Cry) is known for his cold and ruthless nature in comparison to his brother, Dante.
Claude GTA III.jpg|Claude (Grand Theft Auto III) is a silent and merciless killer with no loyalty to anyone. In his quest for revenge, he will kill whoever stands in his way without hesitation.
Tommy Vercetti GTA Vice City.jpg|Tommy Vercetti (Grand Theft Auto: Vice City) identifies himself as a "convicted psychotic killer and drug dealer". Known as "The Harwood Butcher" for killing eleven hitmen that had been sent to kill him, he does not hesitate to kill anyone who gets in his way.
Nemesis (RE3 Remake).png|Once given a target, the Nemesis-T Type (Resident Evil 3) is absolutely relentless and uncompromising in its pursuit, not stopping, ever until its target and everyone in between is dead.
Ryu Unmasked.jpg|While gentle and kind, Ryu (Ninja Gaiden) is completely merciless in battle, calmly slaying his enemies in a cold and ruthless fashion.
Spade H.png|Spade (Valkyrie Crusade)
Assassin H.png|Assassin (Valkyrie Crusade)
Anki Master H.png|Anki Master (Valkyrie Crusade)
Gomorrah (Bayonetta).jpg|Gomorrah (Bayonetta) is one of the fiercest demons of Bayonetta's arsenal, viewing anything and everything that moves as prey.
HK-47-posing.jpg|HK-47 (Star Wars: Knights of the Old Republic)
Ragna the Bloodedge.png|Ragna The Bloodedge (BlazBlue)
Jin Kisaragi.png|Jin Kisaragi (BlazBlue)
===Web Animations/Comics/Series/Originals===
Xykon Order of the Stick.jpg|Genuinely cruel and sadistic even before he became a lich, Xykon (Order of the Stick) takes great joy in the deaths of others.
Belkar Bitterleaf Order of the Stick.png|Nicknamed Death's Li'l Helper, Belkar Bitterleaf (Order of the Stick) is a psychotic sociopath that loves stabbing and inflicting grievous bodily harm to others.
Haley's Roland Play Order of the Stick.gif|While not psychotic like Belkar, Haley Starshine (The Order of the Stick) doesn't hesitate in killing her opponents when they aim for her life, her family and friends, and treasure rating.
Enhanced Roar by Salem.gif|At first, a kind woman, Salam (RWBY) grew into a violent and callous woman from losing her lover, cursed, betrayed, and the loss of her daughters, living a millennium alone, with the intent of ending her immortal life, even it means taking all of Remnant's populace with her.
Adam Taurus.png|Consumed by his hatred for all Humans, Adam Taurus (RWBY) is driven with an insatiable desire to kill and enslave all humans, which has driven him to kill his leader and fellow faunus who disagreed with his goals.
Cinder's Vortex.gif|Due to her torturous childhood, acting as a slave under her evil stepmother, Cinder Fall (RWBY) grew into a hateful person who cares nothing about the pain that she causes to others, killing people without remorse in a pursuit of absolute power.
Tyrian's New Tail.png|A serial killer, earlier on, Tyrian (RWBY) is psychotic incarnate who has murdered, assaulted and kidnapped several people across an entire continent as no other desire but to watch the entire world burn.
Hazel-v8c4.png|Driven by the desire of avenging his younger sister, Hazel Rainart (RWBY) became obsessed with murdering Ozpin, whom he held responsible. To this end, he has murdered Huntsman, Huntress, and Silver-Eyed Warriors alike.
Ironwood Volume 8.png|A militant Atlesian man believing in taking action, James Ironwood (RWBY) has walked into gray areas to stop Salem. Attributed to Mettle and growing paranoia, he walked the darker path to ensure Atlas' survival, murdering colleagues and allies to achieve it.
==Videos==
===Examples===
The Lord of the Rings - They have a Cave Troll (HD)
LOTR- The Fellowship of the Ring - The Death of Boromir
Lord of the Rings- Return of the King - Gollum Transformation (Original Score)-2
LOTR The Return of the King - Extended Edition - The Tower of Cirith Ungol Part 1
The Good, the Bad and the Ugly - The Final Duel (1966 HD)
Daleks and Cybermen-2
First battle with the Dominion-2
Omet'iklan Threatens Sisko-2
The Blood Test - The Thing (1982)-2
Cujo (4-8) Movie CLIP - You're Rabid! (1983) HD-2
Pulp Fiction - Apartment Scene Complete
Family Guy - Natural Selection
Stewie Kills Chris - Family Guy 19x02-2
Superman kills Lex Luthor - Justice League
Speedy - The Venture Bros. - Adult Swim
They Hit Me With a Truck - The Venture Bros. - Adult Swim
Brocks speech The Venture Bros
Save The Turtles - Robot Chicken - Adult Swim-2
Santa And Coke Robot Chicken Adult Swim
Christmas in Asgard - Robot Chicken - Adult Swim-2
American dad Roger Shootout
American dad ortolan
Supernatural - Sam and Dean meet Crowley - S5E10-2
Death's Intro... Supernatural S5E21
Bushido Brown vs. The Hateocracy HD 60fps
Ninja Assassin - Intro Fight Scene
Story of the Pillar Men
JJBA Diamond is Unbreakable - Yoshikage Kira Revealed-2
JJBA Diamond is Unbreakable - Kira's Picnic-2
ジョジョ- That's who Cioccolata and his pet Secco are 『HD』-2
Gun Shop - Wrong Sarah - The Terminator -Open Matte, Remastered--2
No Country for Old Men 'The Deputy' (HD) - Javier Bardem MIRAMAX
Anton Chigurh Kills Rival Mexican Gang in Motel - No Country for Old Men (2007) Movie Clip HD Scene
Do You See Me? Anton Chigurh Office Accountee - No Country for Old Men (2007) - Movie Clip HD Scene
Anton Chigurh Kills Carson Wells in Hotel Room - No Country for Old Men (2007) - Movie Clip HD Scene
Legion (1-10) Movie CLIP - Arresting an Angel (2010) HD-2
Walking Dead Negan Kills Glen and Abraham Scene - Glen And Abraham Deaths Scene-2
Archer Mid Rampage !!!
Preacher - The Seraphim - Part 3
Maybe We Should Have Done Something About ManBearPig - South Park-2
Superman Kills Shazam Death Scene - Injustice Gods Among Us-2
Birthday Boy - Cyanide & Happiness Shorts
The Fable of the Dragon-Tyrant
Secret Santa
Assassin logic in games
What happens after you win a game of PUBG
When game choices make no difference - Choice
Oddly horrific dialogue options-2
When the guard wont defend you-2
Why you don't fight NPC's
Rogues are annoying Trolls and griefers in all MMOs - Shade Away
The Scarlet King - SCP-001 Animation
The Prototype - SCP-001-2
SCP-015-IT The Boogeyman (SCP Animation)-2
SCP-024 Game Show of Death (SCP Animation)
SCP-029 - Daughter of Shadows (SCP Orientation)
Great White Shark Wave SCP-054-FR Blue Fear (SCP Animation)-2
SCP-058 - Heart of Darkness (SCP Animation)
SCP-076 ABLE (SCP Animation)
SCP-080 Dark Form-2
SCP-096 The Shy Guy (SCP Animated)-2
The Old Man - SCP-106 (SCP Animation)
SCP-106 The Old Man (SCP Animation)
SCP-173 The Sculpture (SCP Animated)
3-D Specs - SCP-178 (SCP Animation)
SCP-323 Wendigo Skull (SCP Animation)
SCP-342 - A Ticket to Ride (SCP Animation)-2
SCP-352 Baba Yaga (SCP Animation)-2
The Haunted Cowbell... - SCP-513 (SCP Animation)-2
SCP-610 The Flesh that Hates (SCP Animation) ft. @SCP Animated - Tales From The Foundation
SCP-682 Indestructible Creature (SCP Animated)
SCP-693 Knotty Stalker (SCP Animation)-2
Swamp Woman - SCP-811 (SCP Animation)
SCP-953 Polymorphic Humanoid (SCP Animation)
SCP-966 Sleep Killer (SCP Animation)
SCP-973 Smokey (SCP Animation)
SCP-974 - Treehouse Predator (SCP Animation)-2
SCP-1128 The Aquatic Horror (SCP Animation)-2
Sunken Children's Perimeter SCP-1451 (SCP Animation)-2
SCP-1983 Doorway to Nowhere (SCP Animation)-2
SCP-2846 The Squid and the Sailor (SCP Animation)
The Starving Skeletons SCP-2863 - Gashadokuro (SCP Animation)
SCP-3456 The Orcadian Horsemen (SCP Animation)
SCP-3999 - I Am At The Center of Everything That Happens To Me (SCP Animation)
SCP-4205 - In The Eyes of the Beholder (SCP Animation)
The Grinner - SCP-4910-2
SCP-4666 The Yule Man (SCP Animation)
SCP-4975 Time's Up (SCP Animation)
SCP-5000 Why? - The Full Story Compilation (SCP Animation)-2
===Feats & Fights===
Star Wars - Order 66 - HD 1080p
Hokuto No Ken - North Star Humanist Face Breaking Fist
Toki opens the road for Kenshiro
Ryuuga's Taizan Tenrou Ken... so cold.-2
T-800 kills Ginger and Matt - The Terminator -Open Matte, Remastered--2
Kyle Reese vs T-800 (Tech-noir) - The Terminator -Open Matte, Remastered--2
Police station assault - The Terminator -Original sound & color--2
The Galleria (T-800 vs T-1000) - Terminator 2 -Remastered-
What's the dog's name? (Extended scene) - Terminator 2 -Remastered--2
T-1000 in Pescadero hospital - Terminator 2 -Remastered--2
Hokuto No Ken - North Star Humanist Face Breaking Fist
Kenshiro at the Post Apocalyptic Games!-2
Toki opens the road for Kenshiro
ジョジョ- Awaken, my masters! 『HD』
ジョジョ- Jotaro vs. Anubis (1)『HD』-2
JJBA Stardust Crusaders - Polnareff Kills Vanilla Ice
JJBA Diamond is Unbreakable - Shigechi's Final Moments-2
Kira makes donuts Uncensored Version
Don't mess with Kira Yoshikage Uncensored Version-2
ジョジョ 5 - Banana Kills Polpo 『HD』
ジョジョ 5- Purple Haze annihilates Illuso 『HD』
ジョジョ Arrivederci! 『HD』
ジョジョ- Doppio vs. Risotto 『HD』
ジョジョ- Abbacchio's Last Moment 『HD』
7 Page Muda.
Garak Kills Quark-2
Blade vs Vampires Club Fight Scene 4K-2
Stargate SG-1 What does 'kree' mean?-2
Paulie And Christopher Kill A Waiter - The Sopranos HD
Wolverine Kills His Father Scene - X-Men Origins Wolverine (2009) Movie CLIP 4K-2
Supernatural - Dean Kills Azazel - S2E22 - Logoless-2
Supernatural - Dean and Crowley fight demons - S9E11 - Logoless
Supernatural 10x14 - Dean Kills Cain - "I Will Never Stop"-2
Supernatural's Lucifer kills Pagan Gods
Stevie McShortstuff - Cyanide & Happiness Shorts
Star Wars- The Clone Wars - Nahdar Vebb vs. General Grievous -1080p--2
Darth Maul & Savage Opress VS Darth Sidious-2
Game of Thrones- Bronn vs. Ser Vardis-2
Assassin's Creed- Revelations- Opening Cinematic
Django Unchained "I Like The Way You Die Boy" Scene-2
Punisher Prison Fight Scene - Daredevil (2x9) -HD--2
Ballad of Buster Scruggs - Cantina scene-2
Ballad of Buster Scruggs - Saloon scene-2
Arrow Kill Count - Season 1 & 2
Us (movie 2019) final fight scene-2
Assassin logic in games
Rogues are annoying Trolls and griefers in all MMOs - Shade Away
Picking a fight with the wrong NPC - Hostile-2
Rick Vs The US President -Rick And Morty Season 3 Episode 10--2
Samurai & Shogun (Rick and Morty) adult swim
Shadow Of Mordor - Live Action (OFFICIAL)
I Spit On Your Grave 2011 Stanley and Andy's death scene-2
I Spit On Your Grave 2011 Johnny Death scene *clean version*-2
I Spit On Your Grave 2011 Sheiff and Matthew death scene-2
Rengoku vs Akaza full fight Demon slayer twixtor-2
DIO VS Alucard (JoJo's Bizarre Adventure VS Hellsing) - DEATH BATTLE!
SCP-096 Shy Guy ESCAPE - Incident 096-1-A Containment Breach (SCP Animation)-2
Carnage VS Lucy (Marvel VS Elfen Lied) - DEATH BATTLE!
===Analysis & Discussion===
Top 10 Movie Assassins
Another Top 10 Movie Assassins
Morgoth- The Origins of Melkor - Tolkien Explained
Morgoth- Battles for Beleriand - Tolkien Explained
Morgoth- The War of Wrath - Tolkien Explained-2
A Study on Evil Incarnate- The Detailed Journal of Sheev Palpatine & his Ascent to Darth Sidious
Anakin Didn't 'Turn' into Darth Vader, He Always was Him- Star Wars Character Analysis
The Most Sadistic and Insane Bounty Hunter in Star Wars - Aurra Sing -Legends- - Star Wars Explained
Darth Caedus (Legends) Featuring Dash Star - Star Wars Minute
Why Alpha-17 was as Cold as MF’s Realise- Star Wars Tactical Breakdowns -7-2
The Extremely Dark Order ARC Troopers Were Only Allowed to Use in EMERGENCIES-2
Why Republic Tactics got so DARK by the end of the Clone Wars
The Early Years and Disjointed History of Sabretooth - X-Men Origins-2
==Links==
*Villains Wiki
*Pure Evil Wiki
*Near Pure Evil Wiki
pt-br:Instinto Assassino
Category:Powers
Category:Supernatural Powers
Category:Death-based Abilities
Category:Enhancements
Category:Cognitive Powers
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