Akuto Sai

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|-|Awakened=
|-|The Afterlife=
 
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==Summary==
 is the protagonist of Ichiban Ushiro No Dai Maou. He is an orphan who was abandoned by his mother when he was just born, and later at the age of 10 he was adopted by a knight. He has lived somewhat of a hard life, having certain standard expected of him, and working different jobs since childhood. At the age of 15 he enrolled into Constant Magic Academy, one of Japan's most prestigious schools in hopes of becoming a High Priest and improve the world. This, however, quickly becomes impossible as the school's oracle predicts he will become the Demon King, said to overthrow the current system. At first, he doesn't want to but ends up embracing his fate and sets out to kill the God Suhara, one of the Computer Gods who threatened the livelihood of Akuto and his friends.
==Powers and Stats==
Tier: At least , without Limiters | At least , when Awakened | At least , when Unsealed | , likely | , likely 
Key: God Suhara Arc | Empress Kazuko Arc | Formless Power Arc | The Afterlife | Void Body
Name: Akuto Sai
Origin: Ichiban Ushiro No Daimaou
Gender: Male
Age: 15 | 20 in The Afterlife (Spent 5 years living in it with his wives) | Unknown, The Concept of Time is Irrelevant to him (Spent thousands of years writing stories in The Afterlife)
Classification: Human, Demon King, Student
Powers and Abilities:
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|-|God Suhara Arc=
*Superhuman Physical Characteristics
**Immortality (Types 4 & 8; The Law of Identity doesn't allow Akuto's death, even stopping himself from turning all of existence and himself into nothingness)
**Regeneration (Low-Mid; Can regrow his left arm after it had been severed,Demon King Daimaou Vol 4 Chapter 3 regenerated half of his body after it was destroyed by an plasma explosionDemon King Daimaou Vol 5 Chapter 4)
*Magic
**Aura (Can twist and break the limbs of others using his mana pressureDemon King Daimaou Vol 1 Chapter 4)
**Explosion Manipulation (Akuto learned how to use explosions using mana inside of his bodyDemon King Daimaou Vol 1 Chapter 1)
**Absorption (Can absorb magical energy from other beingsDemon King Daimaou Vol 1 Chapter 3)
**Forcefield Creation (Can surround his body in a mana barrier to protect from different attacksDemon King Daimaou Vol 1 Chapter 4)
**Paralysis Inducement (Can control the mana surrounding other people bodies to completely paralyze themDemon King Daimaou Vol 1 Chapter 4)
**Energy Projection (Has shown the ability to create mana balls which Akuto uses to attack from a distanceDemon King Daimaou Vol 1 Chapter 4)
**Light Manipulation (Can create light using mana for different tasks, such as reading in the darkDemon King Daimaou Vol 2 Chapter 1)
**Corruption (His ominous mana passively corrupts other living beings, turning them into demonic beasts,Demon King Daimaou Vol 4 Chapter 1 works also on inorganic material, such as turning the school into the Demon King's castleDemon King Daimaou Vol 4 Chapter 4)
***Animal Manipulation (His ominous mana allows him to control demonic beastsDemon King Daimaou Vol 4 Chapter 1)
**Statistics Amplification (By filling his muscles with mana, he becomes many times more powerful and his mana control is improvedDemon King Daimaou Vol 2 Chapter 3)
*Social Influencing (Can entrance other people with his speech and leave strong impact on their mindsDemon King Daimaou Vol 1 Chapter 1)
*Telekinesis (Can levitate other people bodies in the airDemon King Daimaou Vol 1 Chapter 4)
*Healing (Learned how to heal other people just by observing others onceDemon King Daimaou Vol 2 Chapter 3)
*Air Manipulation (Can create small tornados,Demon King Daimaou Vol 2 Chapter 4 whirlwinds and typhoonsDemon King Daimaou Vol 2 Chapter 3)
*Gun Mastery (Has shown high proficiency with a gun, even after using it for the first timeDemon King Daimaou Vol 2 Chapter 2)
**Homing Attack (Akuto can change a bullets path so bullets can hit the targetDemon King Daimaou Vol 2 Chapter 3)
*Extrasensory Perception (Can detect the mana pattern of different individuals to know where they are without seeing themDemon King Daimaou Vol 3 Chapter 3)
*Body Control (Learned Hua Jin from the Principal which allows Akuto to control every muscle in his bodyDemon King Daimaou Vol 5 Chapter 3)
*Power Mimicry (Copied Yuzou's illusions by seeing themDemon King Daimaou Vol 4 Chapter 3)
**Illusion Creation (Can show other people illusions of their death, potent enough to kill people without mental trainingDemon King Daimaou Vol 4 Chapter 2)
***Precognition (His illusions allow him to predict his opponent's next moveDemon King Daimaou Vol 4 Chapter 2)
***Fear Manipulation (Akuto's Illusions are meant to scare and make the opponent confusedDemon King Daimaou Vol 4 Chapter 3)
*Teleportation (Travels long distances by opening portalsDemon King Daimaou Vol 4 Chapter 3), 
*Limited Spatial Manipulation (Held together the space cut by BoichiroDemon King Daimaou Vol 4 Chapter 3)
|-|Empress Kazuko Arc=All previous abilities to a greater extent plus:
*Electricity Manipulation (Can summon cloud-to-ground lightning to smite his opponentsDemon King Daimaou Vol 7 Chapter 4)
*Flight (Akuto gains wings that he uses for flightDemon King Daimaou Vol 8 Chapter 4)
*Telepathy (When Akuto Awakened, he could kill others just by glancing at themDemon King Daimaou Vol 9 Chapter 3)
*Self-Sustenance (Types 1, 2 & 3; Akuto doesn't need to sleep, eat or breathe)
*Power Nullification & Attack Reflection (By concentrating, Akuto can steal others mana and use it against themDemon King Daimaou Vol 9 Chapter 1)
*Enhanced Senses (Akuto is aware of every single particle in his surroundings which he exploits to steal mana and reflect attacksDemon King Daimaou Vol 9 Chapter 1)
*Information Analysis (After Awakening, Akuto gained access to the Life Logs, which allows him to know every single moment, action, thought and even ideals of every single human in historyDemon King Daimaou Vol 9 Chapter 2)
|-|Formless Power Arc=All previous abilities plus:
*Size Manipulation (Akuto can shrink other people down to microscopic sizeDemon King Daimaou Vol 12 Chapter 1)
*BFR (Capable of sealing his opponents in VPS for all of eternityDemon King Daimaou Vol 12 Chapter 1)
*Enhanced Absorption (Absorbed all of the mana inside the Empire's atmosphere instantlyDemon King Daimaou Vol 12 Chapter 1)
|-|The Afterlife=All previous abilities to an infinitely higher degree plus:
*Beyond-Dimensional Existence (Type 2)
**Large Size (Type 11; Perceives his creations, even including ones with infinite dimensions, as nothing but a piece of paper on an infinitely vast room)
*Precognition (Can predict his opponents moves based on their body expression)
*Pressure Points (Akuto can hit his opponent on a special part of their forehead that causes their brain to stop functioning)
*Conceptual Manipulation (Type 1; Created the concept of communication, second and third person) 
*Reality Warping (Can manipulate and change The Afterlife to however he pleases)
**Subjective Reality (Can make anything he imagines to come to reality in The Afterlife)
**Space-Time Manipulation (Can crush the entirety of The Afterlife into nothingness or manipulate it however he pleases)
**Creation (Can create stories and anything he wants)
**Plot Manipulation (Can create any story and manipulate it to his will)
***Probability Manipulation (His stories are based on the infinite possibilities), 
***Higher-Dimensional Manipulation (Has full control over his stories, even ones containing dreams, within dreams, within dreams)
***Soul Manipulation (Controls the souls of the characters inside of his stories)
***Information Manipulation (Can turn souls into mere concepts/date fitting for his stories)
***Perception Manipulation (His creations can only be truly perceived only by reaching them)
***Physics Manipulation (Created all the foundations for the laws of his stories)
**Causality Manipulation
***Acausality (Type 4; The Law of Identity stated that Akuto can choose what is real or what is fictitious to the point of contradicting causality)
|-|Void Body=All previous abilities on an unfathomably higher scale plus:
*Void Manipulation & Nonexistent Physiology (Cast aside his earthly form, leaving nothing but a void where only emptiness resides)
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|-|God Suhara Arc=Attack Potency: At least Small Town level (Can trade blows with Peterhausen, later he overpowered Boichiro Yamato, who previously had destroyed him, this is thanks to Akuto's continuous growth), Universe level+ without Limiters (After his limiters were removed by Peterhausen, Akuto was capable of killing the Computer God Suhara, this is also considered his "true power" which later in the series becomes his awakened state)
|-|Empress Kazuko Arc=Attack Potency: At least Small Town level (Same as before), At least Universe level+ (His awakened state is considered his true Demon King power, in which he can kill Computer Gods, and trade blows with Zero, the original Demon King)
|-|Formless Power Arc=Attack Potency: At least Small Town level, Universe level+ when Unsealed (Stated to be equal to The Formless Power, which is more powerful than the magic system of the Computer Gods, could trabe blows with Marine, a user of The Formless Power)
|-|The Afterlife=Attack Potency: Low Complex Multiverse level (Ascended to the "next system" which is a layer above the normal world, where even the multiverses of stories he created are mere fiction), likely Outerverse level (Akuto can create any possible story that can be put into writing, even contradictory ones, which would include the infinite hierarchy present in the series)
|-|Void Body=Attack Potency: Outerverse level, likely High Outerverse level (Cast aside his earthly form, leaving a void body that was take into Keena by the Contract of the One, which allowed him to be freed from his story role as the Demon King and become part of the Anti-Universe, the place where all stories end, which would put it above the totality of fiction)
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Speed: Hypersonic (Can keep up with Boichiro Yamato, who can create sonic booms with his speed alone) | Hypersonic (Same as before), At least Hypersonic with Awakening (Far stronger and faster than before, could dodge Zero's attacks without much difficulty), Massively Hypersonic+ attack speed with Lightning | Hypersonic (Same as before), Massively Hypersonic+ attack speed with Lightning | Omnipresent | Unknown
Lifting Strength: Class M (Lifted the Genkaku) | Class M (Same as before) | Class M (Same as before) | Immeasurable | Immeasurable
Striking Strength: At least Small Town level, Universe level+ without Limiters | At least Small Town level, Universe level+ when Awakened | At least Small Town level, Universe level+ when Unsealed | Low Complex Multiverse level, likely Outerverse level | Outerverse level, likely High Outerverse level
Durability: At least Small Town level (Can survive blows from Peterhausen, and has shown to survive his own explosions), Universe level+ without Limiters | At least Small Town level (Same as before), At least Universe level+ (Far more durable in his Awakened state, should be comparable to Attack Potency) | At least Small Town level (Same as before), At least Universe level+ when Unsealed (Could survive dozens of blows from Marine) | Low Complex Multiverse level, likely Outerverse level | Outerverse level, likely High Outerverse level
Stamina: Superhuman (Akuto Sai uses the mana from the surroundings, can fight and regenerate from wounds that would typically be impossible) | Superhuman, possibly Infinite (Akuto stated he could fight against Zero for decades and even centuries without tiring in his Awakened form) | Superhuman (The same as his previous self) | Infinite | Infinite
Range: Standard Melee Range, Several Meters with Magic | Standard Melee Range, Several Meters with explosions, likely Hundreds of Meters with Lightning | Standard Melee Range, Several Meters with explosions, likely Hundreds of Meters with Lightning | Low Complex Multiversal, likely Outerversal | Outerversal, likely High Outerversal
Standard Equipment: None notable 
Intelligence:
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|-|Normally=
Gifted (Even as a baby, Akuto was serious. When witnessing being left, he looked as if he was brooding his next move. By the age of 5 he already had reached his mental peak, having astute understanding of the world and great self-awareness. This is most notable in academics, having excellent grades. Junko even stated that the entrance exam for Constant Magic Academy is so difficult that there are many years when no one can pass. Akuto also isn't a slouch when it comes to combat and learning magic. He has been able to keep up with Junko, someone training to become a ninja just after enrolling in the school. Later, he even fought several ninjas at the same time with little to no difficulty. At times he even demonstrates excellent memory, learning healing just by seeing it once the day prior, or learning extremely complicated illusions that can predict the opponents moves, make them fearful, and even cause death, just being seeing them. He even learned Hua Jin, a fighting style The Principal needed years to master. This allows Akuto to control every muscle in his body and deflect attacks)
|-|Awakened= 
Genius (After Awakening Akuto gained access to Life Logs, which allows Akuto to know every single moment of a human's life, being able to pick and choose ones that would benefit him in terms of information. He also knows the very thoughts and even intentions of people when accessing the Life Logs and their ideals. Virtually nothing is hidden from him in this state. However, he isn't the one to pry in someone's intimate parts of their life and allows them to keep their privacy)
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Standard Tactics: Akuto has shown the ability to fight at different range's, be it close combat or from a distance. Usually, he holds back as to not injure his opponents, however there are moments where he snaps and can become quite cruel, torturing his opponents by breaking their limbs using mana in the surroundings. Or he can quickly end fight by putting pressure with mana, like he did against Boichiro in act 5. He also is familiar with group fights, taking on several bullies, ninjas and soldiers at the same time. 
Weaknesses: Cannot control how much strength he uses, leading to far worse injuries to his friends and opponents than intended, however there are moments he snaps and becomes good at controlling, and was practically overcome by act 4. 
Notable Attacks/Techniques:
*Hua Jin: A type of martial art or a fighting style that he learned from The Principal. This allows Akuto to control every single muscle in his body. What's more, this fighting style works well with his magic type and because of that he can lift gigantic structures such as the Genkaku, a ship 350m in length. This also allows Akuto to deflect other's attack as to avoid vital spots, like he did in his fight against Boichiro.
*Immortality: After the world was destroyed and Akuto arrived in the afterlife Brave attempted to travel into the past to prevent the world's destruction. He attempted this many times by, amongst others, preventing the development of magic and killing Akuto, but when he returned to the afterlife of the future nothing ever noticeably changed. That was due to The Law of Identity having predetermined the fate of Akuto and the world. No matter what Brave changed in the past, history would always realign itself to keep the end result the same. Akuto could, for example, later on be revived by someone else, as demonstrated in Act 8. When Akuto tried to crush the afterlife and by that erase himself, the Law of Identity stopped that as well, as this wasn't an ending it would allow. In conclusion, while one can kill Akuto in the world of the living, sending him to the afterlife and by that winning against him, it will ultimately make no difference for the fate of him or the world. Furthermore, any action that would even destroy his afterlife self would be prevented by The Law of Identity. 
*All Stories: All of existence is stories. From the inside these stories appear to be truth and from the outside to be fiction. Akuto is capable of creating all stories that can be described. This includes stories with higher dimensions and without, with time and without time, where the occult exists and where it doesn't and all other sorts of different concepts. Some of these stories contain stories themselves and people like Akuto that can freely create stories. These stories can be called stories of higher story density and can form infinite hierarchies. 
*Void Body: The void body Akuto is a state archived during the final ritual with The Law of Identity. That ritual brought both the stories and Akuto's body down to zero and created a void. During this ritual, Akuto and all souls in him are taken into The Law of Identity and together with it they enter the Anti-Universe, the place where all stories end. 
Note(s):
* "God Suhara Arc" is a fan-given name for the first arc of the series, which covers volume 1-5, which would be episodes 1-12 for the anime. This is done for the sake of conveniency.
* The "Empress Kazuko Arc" key covers Volumes 6-9. Volume 6 is a slice of life type of story, which can be interpreted as a fun standalone read where the characters are trapped inside of a videogame. Volume 7 revolves around VPS (Virtual Phase Space) and the ending introduces us to new trouble that will revolve around Empress Kazuko and Zero from Volume 8-9.
* "Formless Power Arc" covers Volumes 10-12, with Volume 10 being a more casual read centered around student council but not much happening. This also includes volumes 11-12 which are centered around The One, an alien from an outer universe and his civilization invading the main world which is known as the "Formless Power".
* The Void Body only existed during a very short time during the end of the story and as such not much is known about it.
==Notable Matchups==
Victories:
Losses:
Inconclusive:
==References==
Category:Characters
Category:Ichiban Ushiro no Daimaou
Category:Absorption Users
Category:Acausal Characters
Category:Air Users
Category:Animal Users
Category:Anime Characters
Category:Attack Reflection Users
Category:Aura Users
Category:Beyond-Dimensional Beings
Category:BFR Users
Category:Body Control Users
Category:Causality Users
Category:Concept Users
Category:Corruption Users
Category:Creation Users
Category:Enhanced Senses Users
Category:Electricity Users
Category:Energy Projection Users
Category:Explosion Users
Category:Extrasensory Perception Users
Category:Fear Users
Category:Flight Users
Category:Forcefield Users
Category:Gun Users
Category:Healers
Category:Higher-Dimensional Beings
Category:Homing Attack Users
Category:Illusionists
Category:Immortals
Category:Information Users
Category:Information Analysis Users
Category:Large Sized Characters
Category:Light Users
Category:Light Novel Characters
Category:Magic Users
Category:Nonexistent Characters
Category:Paralysis Users
Category:Perception Users
Category:Physics Users
Category:Plot Manipulation Users
Category:Power Mimicry Users
Category:Power Nullification Users
Category:Precognition Users
Category:Pressure Point Users
Category:Probability Users
Category:Protagonists
Category:Regeneration Users
Category:Self-Sustenance Users
Category:Size Users
Category:Social Influencers
Category:Soul Users
Category:Space Users
Category:Statistics Amplification Users
Category:Subjective Reality Users
Category:Telekinesis Users
Category:Telepaths
Category:Time Users
Category:Void Users
Category:Weapon Masters