UnderLockDown

Team Void is by Laggy papyrus
UnderLockDown is a Special Event Crossover that there is a team called Team Void as their mission is to wipe out all positive emotions and rule the Multiverse as their own while a team called Hope goes against Void by protecting the Multiverse by any means necessary. CORE!Frisk along with their new ally recruits beings willing to join their cause however, they rarely have any Sans' on their team since Void already recruited most Sans's from the Multiverse. 
Dream left his position as a protector of AUs as he felt guilty for harming his brother and eats one of his apples transforming him into Shattered Dream resulting him in joining Nightmare's crusade against erasing all positive emotions. Ink also left his position as a protector of AUs joining X-Gaster in their quest to create the one perfect universe. CORE!Frisk's ally chose to be a protector of AUs as he is being hunted down by the former protectors of AUs while recruiting with CORE!Frisk for others to join his cause as they are the last hope of the Multiverse. 
== Characters ==
=== The Bad Time Trio (Characters) ===
==== Classic Sans ====
Classic Sans is from a genocide timeline facing the human to a deathmatch which he unfortunately lost turning into dust however, he reappears in the Corridor seeing a brother lookalike and another human. Sans shortly realizes that it was not his Papyrus as they all shortly encounter a dark figure. They all fought as they trap the human, but loads learning nothing from them. Their troubles did not end at three Sans lookalikes tried to convince them to join them, but Sans and the rest refused battling the monsters however they are on the losing end. White smoke then envelopes them disappearing and reappearing in a dark corridor as they meet two more monsters. 
==== Papyrus/UNDERSWAP ====
Papyrus from UNDERSWAP meets his brother and human lookalikes after dying in a genocide timeline as he is relocated in the corridor. They discussed how to stop the human with their knowledge of the timelines, but eventually facing the human again they loaded learning nothing from them. They eventually meet three Sans skeleton lookalikes as UNDERSWAP Papyrus is cautious around them as Sans exposes one of them revealing his brother's scarf shortly learning the truth as well. Inevitably it lead to a battle which Papyrus and they are on the losing end, but escaped as they are enveloped in white mist reappearing in a dark corridor. UNDERSWAP Papyrus meets two monsters along with his brother and human lookalike explaining to them that they are variations of them, but are soon interrupted by the human coming out of the shadows meeting them once again.
==== Chara/Storyshift ====
Chara faces the human in the corridor dying by their hand then reappearing see their majesties in front of them, but soon realizing they are lookalikes. Chara reveals them the stats of the human and the timelines as once they battle the human they trapped him in confinement of piercing bones. The human reloaded as they learn from them, but one day they see three Sans lookalikes as Chara threatens them demanding why they are here. Classic Sans help to calm them down, but as they slowly reveal who they are a battle commenced which unfortunately they are not on the winning end. A gust of mist engulfs them making them disappear and reappear in a dark corridor finding two other monsters however, also finding the human there as well. Chara as well as Sans and Papyrus are beside the monsters helping them to stop the human using the numbers advantage.
==== Toriel/Altertale ====
Toriel from Altertale keeps her original height from her Undertale counterpart as they die by the human's hands in the corridor turning to dust and reappearing in a dark corridor. Altertale Toriel soon sees her brother Asgore but is wearing similar clothing to her as they argue back and forth about how they died creating confusion between them. Three beings comes out of a white mist seeing her majesties and a human which they explained to them that they are variations of them explaining about what has happened to them. The human shortly appears behind her as her brother lookalike and the skeletons as well as the human stands by her facing them down. The human smiles as they are standing no longer alone in battle.
==== Asgore/Storyspin ====
Asgore from Storyspin also keep his original Undertale counterpart's height dying in the corridor as well reappearing in a dark corridor surrounded by blinding mist. Asgore soon sees Toriel wearing similar clothing to him as they argue about who died creating confusion between the two however, meeting his majesties and a human. They revealed that they are all variations of one another, but are soon interrupted by a human coming out from a cloud of darkness. Storyspin Asgore, Altertale Toriel, Classic Sans, UNDERSWAP Papyrus, and Storyshift Chara stand beside each other facing the human while the human stands against them as four Sans lookalikes comes out of the darkness to the horror of Sans, Papyrus, as well as Chara. They all face each other as they are all about to face each other one on one.
=== Dreamtale Characters ===
====Shattered Dream====
Dream or otherwise known as Shattered is the former protector of AUs however, due to guilt he ate his brother's apple with negative feelings inside him transforming Dream into Shattered Dream and now works alongside his brother Nightmare!Sans in ruling the Multiverse as well as to erase all positive emotions. Shattered Dream knows that Ink left his post only leaving CORE!Frisk as the last protector of AUs or at least that is what he thought. Reports from his followers say that another being that's a human adult is helping recruiting monsters and humans to their cause, so Shattered Dream demands his followers to find the human before he finds them first. 
====Nightmare!Sans====
Nightmare!Sans or otherwise known as Nightmare is second in command of Team Void and was once the enemy of Dream, but he is working for him. Nightmare managed to use Dream's guilt and pain corrupting Dream although this is accidental. Dream becomes Shattered Dream and joins Nightmare's crusade in ruling the Multiverse and to erase all positive emotions. Nightmare is pleased that his brother joined his cause and to make insult to injury for CORE!Frisk he puts him as the leader of Team Void while he is second in command. Nightmare oversees his minions, but is getting reports of a human adult recruiting others around the Multiverse, so he orders his men to find and kill the recruiter whatever means necessary. 
=== The Murder Time Trio (Characters) ===
==== Murder!Sans ====
Murder or otherwise known as Dust Sans is a skeleton who murdered the entire Underground in order to gain as much L.O.V.E as he could possibly get. Murder unfortunately did not get Undyne nor the monsters in the Ruins during his travels however, a slimy being appears wanting him to join his army. Murder attacked him however, Nightmare shortly puts him in his place as Murder yields reluctantly joining him. Murder is then acquainted with three other lookalikes as they set off to recruit what they call the Bad Time Trio. Once they arrived to meet them they falsely claimed to be the saviours however, they notice nothing seems as it looks like. Eventually they discovered their true intentions battling them, but Murder and his acquaintances had the advantage. A white mist covers the Bad Time Trio as they disappear while Murder and his acquaintances are covered in a cloud of smoke reappearing in a dark corridor. 
==== Killer!Sans ====
Killer is a skeleton who killed everyone in the Underground to feel something new repeatedly kills everyone he meets which lead the attention of Nightmare. Killer also battled Nightmare, but soon joins Nightmare in his crusade to erase all positive emotions which Killer accepted his deal. Killer meets Murder and a couple of his lookalikes as they set out to find the Bad Time Trio. Once they met them and Murder failed to convince them they battled them as they had the winning hand however, the Bad Time Trio escaped disappearing in thick mist. Shortly they were covered in black smoke teleporting to a dark corridor soon confronting the Bad Time Trio as well as two other monsters as a killer child stands beside them.
==== Sans/Horrortale ====
Sans from Horrortale otherwise known as Horror is a starving skeleton trying to survive in the Underground by any means necessary since they are deprived of resources. Being struck by his world's Undyne changing his personality to an extreme degree tries to help most of the residents in Snowdin even though everyone slowly dies of starvation. One day Horror is met by two beings that looked similar to him before he had his skull cracked. They both offered to join them which he refused, but eventually is beaten by their extreme cunning and might. Horror reluctantly joins as he is then tasked to hunt down the Bad Time Trio bringing another Sans lookalike acquaintance on their team. They all went to the Bad Time Trio's location only for them to fail since they exposed Murder!Sans as they battled. Horror helped his team get the edge, but the Bad Time Trio is then covered in blinding smoke as his team including himself are engulfed in darkness relocating in a dark corridor meeting the Bad Time Trio once again along with two other monsters.
==== Insanity!Sans ====
Insanity was once a Classic Sans that is infected by Gaster during one of his experiments resulting in removing most positive emotions in Sans. This infection makes Sans go insane murdering everyone in his sight as he discovers the power of reset being the most determined being in the Underground causing an endless slaughter. One day a dark slimy being shows up in front of Insanity as they fought, but in the end Insanity's opponent won feeding off his negative emotions. The being reveals himself as Nightmare offering a hand to Insanity to join his army and in return he could slaughter as many beings as he could find an offer Insanity could not refuse. Insanity joins a team of three murderous Sans lookalikes hunting down the Bad Time Trio as his job is stop the human from coming into the corridor. Insanity made sure they did not enter, but then he is covered in a dark mist reappearing in a dark corridor alongside his team as well as a shapeshifting human.
=== Outertale Characters ===
==== Frisk/Outertale ====
Frisk from Outertale is a variation of the original frisk with the only difference being in space and with a starry attire as well as jetpack. Outertale Frisk was then abducted by them as they are transported to the Anti-Void, but luckily a variation of them helped Outertale Frisk escape. The variation has grey clothes and skin with dark hair as well as eyelids revealing themselves as CORE!Frisk or otherwise known as CORE. Outertale Frisk learns from them the destruction of the Multiverse determined to help in any way that they can resulting them joining Team Hope and finding an unlikely ally and a former enemy. They co-exist with each other as they have one goal to stop the destruction of the Multiverse.
==== Papyrus/Outertale ====
Papyrus from Outertale with his starry attire was once a victim of two forgotten Souls' rampage, but luckily a grey child convinced them to stop leaving the Outertale residents alone and exiting the universe. Outertale Papyrus wondered where his Frisk is since the humans abducted them before the grey child arrived however, he was not out of danger. One day a killer skeleton tries to murder him with a knife, but Outertale Sans saved him as he turned into stardust. A forgotten Soul blocks the Killer skeleton's path helping Outertale Papyrus promising he could see them again if he joins him in the Omega Timeline which Outertale Papyrus accepted grabbing his brother's jacket as they both teleported out of that universe. In Omega Timeline Papyrus soon meets up with Outertale Frisk hugging each other while the human promises to revive Outertale Sans if they join him to stop the destruction of the Multiverse. With some thought Outertale Papyrus accepted the terms joining Team Hope in order to hopefully see his brother again.
==== Undyne/Outertale ====
Undyne from Outertale is the Royal Guard and good friends with Outertale Frisk as one day day they are strolling along only to be interrupted by wandering forgotten Souls. One of the forgotten Souls fought Outertale Undyne as they battled, but in the end they abducted their Frisk and left with a grey variation of them. Undyne hoped to never see the humans again, but one day a Sans skeleton lookalike attacks her with a knife as they battled viciously. Unfortunately, more Sans lookalikes start appearing being outnumbered, but one of the forgotten humans came back helping her to fight for her alternative universe. In the end they could not win as the human teleports them into the Omega Timeline which Undyne was not pleased however sees both her Frisk and Papyrus. The human offers for Undyne to help him to stop the destruction of the Multiverse as he does not need her trust, but her cooperation which Outertale Undyne reluctantly accepted as the human promises to restore their AU since it it was too unstable due to all the conflict that has happened there.
=== X-tale Characters ===
====W.D. Gaster/X-tale====
Gaster from X-tale is a monster obsessed in creating the one perfect universe even if it meant using the ones he cares for as puppets. X-Gaster helped Nightmare to create the Nightmare Souls also creating two himself one being the Soul of Wisdom while the other is the Soul of Ignorance. After his encounter with Nightmare he then gets reports from Ink that two humans are destroying alternate universe. X-Gaster intrigued watches along with Ink seeing his and Nightmare's twisted creation come to life. X-Gaster asks Ink to retrieve the human adult and Ink obliges setting off to OUTERTALE in capturing the human adult. Although the mission is not successful X-Gaster waits patiently for the human to show himself again in the Multiverse wanting to experiment on him and the Soul he inherits. 
=== Added Characters ===
====CORE!Frisk====
CORE!Frisk is one of the main leaders of Team Hope as they used to be three of them however, excluding CORE!Frisk they left for selfish intentions. CORE!Frisk soon found a new ally and leader recruiting new members to their cause however, since Ink has left his branch all of its members has been lost as well. CORE!Frisk does everything in their power to supply an army however, they will not fight due to them hating violence. CORE!Frisk has the Soul of Wisdom inheriting it from X-Gaster although X-Gaster is not aware of it yet. 
====Ink!Sans====
Ink!Sans the former protector of AUs is now an ally of X-Gaster's into making the one perfect universe, so that he could feel something new. Ink!Sans wears dark robes similar to X-Gaster's along with giant X in the middle as he still has his paintbrush beside him. Ink!Sans is currently emotionless and now is hunting CORE!Frisk's ally, so that he can retrieve him back to X-Gaster believing that he is one of the humans who has inherited one of the Nightmare Souls that both Nightmare and X-Gaster created.
==== Error!Sans ====
Error!Sans a destroyer of AUs works alongside with Team Void in order for the destruction of the Multiverse even though in his mind he is surrounded by dirty glitches. Error whilst working with Team Void is not allowed to destroy an AUs however, instead to annihilate the residents of that AU resulting the world becoming unstable, but not enough to destroy it creating two new AUs in the process. Error is not fond following the order from his mentor neither Dream one of the other leaders in the group however, he wants to find his former apprentice and their friend so that when the time comes he as well as they erase Team Void to end their conquest as well as existence. 
==== William/Error404!Sans/Alphatale ====
William otherwise known as Error404 is a tall skeleton that is the mentor of Error Sans as well as he is one of the leaders in Team Void. Error404 self proclaims to be God of the Multiverse having immeasurable powers that even the protectors of AUs could not cope to comprehend. Error404 has a vast knowledge of the Multiverse and knows every event that happens in the Anti-Void or so he believes. Error404 do whatever it takes to revive his own world Alphatale after it's destruction using everyone as a tool to fulfil his selfish desires and one day he meets a forgotten Soul that offers him the revival of Alphatale in return that he does not interfere with what is about to come. 
==== Bill Cipher Sans ====
Bill Cipher Sans is an omniscience being that knows everything that is known in the Multiverse as he joins Dream in his quest for conquering the Multiverse making a deal with him. Bill Cipher Sans and Dream agreed to rule the Multiverse as equals releasing Bill Cipher's twisted version of Armageddon while Dream cannot be harmed by it. Bill Cipher Sans is one of the leaders for Team Void alongside Error404, Shattered Dream, and, Corrupted Nightmare, but one day these four beings are interested in one forgotten Soul that even Bill Cipher Sans is not aware of. Bill Cipher Sans had no interest in the matter only focusing on the destruction of the Multiverse until he is called in by Dream as he gathers everyone in the throne room. 
==== Sans/LVTale ====
Sans from LVTale otherwise known as LV was once a Killer Sans that grew bored in continuing in a senseless slaughter with Chara, but it resulted in the rebirth of the timeline wars. In the end Killer sacrificed himself as well as Chara locking the room with the Determination Extractor blasting them both as Killer is transported to the Anti-Void. Killer soon meets Error404 as he knew him, but Killer did not to 404's surprise, so he then teaches Killer to become his temporary apprentice which Killer had nothing better to do. Killer discovers that he can fuse with other beings as Error404 asked his nickname which Killer responds LV since Killer has already been taken. Error404 left the Anti-Void as LV did as well parting ways he sets off on a journey of discovery which eventually leads him to Team Void as he joined their ranks in the Omega Division.
==== Papyrus/Insanebelief ====
Insane Papyrus is a murderous skeleton slaughtering anyone in their path like Insanity however, one day Shattered Dream battled against the skeleton eventually winning feeding off his negative emotions. Dream offers the skeleton to join his army in exchange that he murders anyone that is his enemy which Insane Papyrus accepted the deal. Insane Papyrus is in the Kyrvo Division being a heavy asset in the conquest of the Multiverse as any who encounter him will either fear or be killed by the broken skeleton. 
==== Papyrus/Dustbelief ====
Papyrus from Dustbelief accidently kills Murder!Sans in his timeline as he was about to kill him. Papyrus inherits Murder's L.O.V.E as well as memories continuing the genocide for him in order for the human to reset. Papyrus goes to the Last Corridor, but instead of being greeted by Frisk he is greeted by a forgotten Soul. Papyrus attacks the wandering forgotten Soul however, he is captured by him as he used blue strings and is transported to an unknown universe. In confinement he is a puppet to the Soul's plans as one day Papyrus is transported to the Last Corridor along with a couple other puppets the Soul has brought. Papyrus shortly then sees his brother in front of him Murder!Sans as the Soul forced them to battle to Dustbelief's reluctance. 
==== Six Bones ====
Six Bones is a Classic Sans as well as Papyrus amalgamation since Papyrus had fallen as Alphys the Royal Scientist injected Determination into him in order to save his life. Sans never left his side, but as Papyrus melt the skeleton brothers hugged melding into one being which horrifies Alphys blaming herself for letting it happen again. One day Six Bones joins Team Void as he is in the Alpha Division being a tank supporting his team due to his invulnerability becoming a valuable asset in his team.
==== Scoundrel Sans ====
Scoundrel Sans is from an AU where it's steal or be stolen holding a bat in his hand everywhere he goes. One day a slimy being abducts Scoundrel turning him into a malevolent force as he mentally manipulates Scoundrel. The slimy being reveals himself as Nightmare escorting Scoundrel to the Gamma Division where the Murder Time Trio resides. Scoundrel is on the same level of power as Murder!Sans, but with the added skills of hand to hand combat as well as mastering his weapon.
==== Disbelief Asriel/Storyshift ====
Asriel Dreemurr from Storyshift survives his encounter in Snowdin after his brother Chara sacrificed themselves in order for Asriel to get away. Asriel runs away from the human as he hides wondering what to do now that their brother is dead. Asriel finding his determination puts on Chara's green hoodie to find the human in the Last Corridor where he would face him and try to convince them to stop. Arriving in the corridor Asriel is soon greeted by another human exiting from a gust of smoke as he also introduces someone Asriel is quite familiar with. Asriel is shocked brought to tears of joy as he thought he would never see them ever again in his life.
==== Papyrus/Horrortale ====
Papyrus from Horrortale is the brother of Horror or otherwise known as Horrortale Sans as they pull together in difficult time in the Underground since there is lack of resources. One day Papyrus could no longer find his brother as he has gone missing, but one day a forgotten Soul appears as Papyrus asks him where his brother is. Papyrus explained what he looked like as the Soul assures him that they could arrange to meet his brother, but in exchange he has to help stop the destruction of the Multiverse which Papyrus agrees. Little did he know that the Soul intended to use Horror's brother to his advantage using violet strings to control Papyrus as he reappears in a dark corridor facing then battling his brother.
=== Frisk ===
In this story there are multiple version of Frisk. One as a shapeshifter turning into the humans the Bad Time Trio went against or the one in the Disbelief Timeline traversing across an AU at it's breaking point. The shapeshifter allies themselves with the Murder Time Trio in order to go against the Bad Time Trio in the dark corridor while Frisk from Disbelief meets a wandering forgotten Soul telling them to reset as nothing else is beyond them. After the wandering Soul leaves Frisk resets restarting the timeline as they walk to the Ruins.
== Story ==
* UnderLockDown prelude (The Reason, Post story)
=== Wattpad ===
*Prologue: Shattered Dreams
*Part 1: Omnilovania
*Part 2: Swift Decisions
*Part 3: Nigh
*Finale Part 1: Declaration of War
*The Finale: Clash of the Voids
*Epilogue: One Last Chance
=== Archive of our Own ===
* Prologue: Shattered Dreams
*Part 1: Omnilovania
*Part 2: Swift Decisions
*Part 3: Nigh
*Finale Part 1: Declaration of War
*The Finale: Clash of the Voids
*Epilogue: One Last Chance
=== Quotev ===
* Prologue: Shattered Dreams
*Part 1: Omnilovania
*Part 2: Swift Decisions
*Part 3: Nigh
*Finale Part 1: Declaration of War
*The Finale: Clash of the Voids
*Epilogue: One Last Chance
Category:Nightmare
Category:X-Tale Related
Category:Grim Dark
Category:Crossovers
Category:Special Event
Category:Written story
Category:Dark AUs
Category:CORE
Category:AUs