I already told you-

What if Dream didn't know Corrupted!Nightmare was his brother? OoOoO "Why are all the AUs destroying themselves! Answer me Nightmare!" "I already told you-" Silence after a full minute passes. The crumbling of AUs finally ceased.

Core the Apple

Nightmare has grown weary of the constant strife between himself and his brother. Every time he manages to fuel the ever-persistent need for negativity in his system, Dream and his friends immediately sap it out of him. So, Nightmare has decided he was done. If they believed the multiverse was better without negativit...

The Real Bad Guys

An AU where the Star Sanses are evil and Bad Sanses are actually the good guys, but no one knows it. Who will win on the fight of good and evil? Warning: Curse words

(Hiatus) "Princess, May I?" || Fem!Kokichi x Harem

Seventeen-year-old Kokichi Oma died after being shoved in front of the monorail by his not-so-freindly classmate that seems to want him dead for some petty god forsaken reason. How cruel, at least let him fulfill his ambitions first! Kokichi wants to rule the world! Be the leader of an powerful army that seem to vanq...

The Switch!

this takes place in an au where dream is a dick and so is everyone of the star sanses thankfully everyone else is normal but nightmare still hates having to entertain them by pretending to be the bad guys to stop them from doing something stupid that could cause serious damage and the rest of the multiverse is less th...

tentacles X nightmare (smut)

A surprisingly wholesome story? But obviously super kinky sex a lot but it's still sweet.

Not Every Story Is Perfect

Ink the creator and protector of Aus had gotten tiered of Nightmare and his little group. Going around and causing mischief in his creations. And so he decided to do something about it. So Nightmare and error decide to join forces and do something about the star sanses. +---------------+ Warning⚠️: Includes dumb drama...

Dont Go

Nightmare was found dead. The sanses and star sanses celebrate his defeat. However, the aftermath of it is a certain destroying slipping to insanity. This was inspired by these YouTubers name Avacadoq, How Dare You Judge Me, Cloud Nine, and TheLunaEclipse. And their videos Avacadoq = Sweater Weather (Remake) How Dare...

The game won't end until the KING falls [Killermare]

Nightmare lost everything. Everyone left him the moment he showed weakness, even though that was when he needed them the most. Killer stayed. Killer wouldn't leave him. Killer would always be by his side. He had sworn to do it. So Nightmares figures were gone except for the king and queen, had either defected to the o...

Your Worst Nightmare [COMPLETE ✔]

What would happen when the Star Sanses have to face their own fears? Will they overcome them? Or will they crumble in their own terror, fears, and regrets How will Nightmare's plan come to be? Has Reached #1 in Ccino Has Reached #1 in Bluesans

Soulmates

Nightmare feels hopeless. His Soulmarks tell him that he's supposed to have four Soulmates, which is really peculiar in itself. But... Who would love a murderer like him? He's the personification of all negative emotions, of all evil. Who would be willing to love him...? And across the multiverse, four people ask them...

Redemption

He doesn't care about them. Why would he? They're just his minions. Yep..totally.. Nightmare's gang story. I do not own any of these characters.

Horrific Replacements

A few months ago, Horror and his brother starved in their AU. It had been Dust's turn to bring them food but he'd gotten caught while stealing it. Ink had solved the problem of a missing Sans by promptly making a new Horror who had no recollection of Nightmare's gang. Ink told Horror to stay away from them and to call...

You're not leaving || SwadMare fanfiction ||

*Everything was collapsing. *Nightmare's au, his castle, even his gang's aus were were collapsing. *He desperately needed a new multiverse to go to while it was sorted out. *So what if a certain person he had gone to made a deal?

Horror Sans Oneshots

Title says enough. Read to find more of best hungry boi. All Horror involved ships are welcome. Request are open. Weekly updates

Bleeding Wounds

TW: Heartbreak (you want the angst? get the angst.) Horror is left behind by Dust, heartbroken, he wanders to Farmtale in hopes of helping out with his own AU's problems. If only falling in and out of love was as smooth as everyone had used to think it once was. -- Dust/Murder Sans by Calvateyla Horror Sans by Sour-Ap...

Human Dom! Cross X Sub! Nightmare | Treasure

The legend of the Prince of Darkness and Negative feelings. It's a well-known legend across all AU's. It was many, many, many, many years ago. Back when there were Sirens, Mermaids, Vikings, and even Dragons. When every Mythical creature was alive. During that time lived the most powerful queen; Oya. She's known...

The Bad Guys' Special Connection || An Undertale AU fanfic || Villain Sanses

Starts with Nightmare being a starter king and founding his teammates; Dust, Error, Horror, Killer and Cross. Nightmare promised them a better life than the life they have now, in exchange they become his teammates and obey him as a king. And the five sanses trust him. The people in the village that was connected with...