Nightmaresans Stories

#1 of 61.7k tagged with Undertale 12/06/24 After drowning as a human, Ashe reawakens as a DustTale variant of Sans. With his ghost Papy helping keep him from falling int...

When Ink is exploring the au's, he stumbles upon a new au where he meets a new friend named Nightmare. The both of them create a close bond, and Nightmare explains how t...

A fanfic/story of Nightmare and children bad guys! All of the bad guys are children excluding Nightmare and Error. This is a story of Nightmare being a parent. I am ter...

Fate is cruel... Ink is soulless... Error has lost something... Destiny is giving him a chance... ... ... ... ... Do you hear that?... ... ... ... ... T H E W A R D R U...

uh rewrite of the og one on quotev. better writing??? yeah

Finished (Y/n) Owns a multiverse, What happends when the sanses from her multiverse meets her and fell inlove with they're own Creator? Read this to find out >

'passive' nightmare sans, as people called him, was trapped inside his own soul as 'currupted' nightmare sans controlled his body, spreading negativity throughout the au...

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...

we've all heard of fgod error and how he falls into the void and goes to a different Multiverse....how about we switch the roles and put nightmare in his place....then t...

One minute I'm peacefully babysitting by little brother, the next in Dream from DreamTale. Does this mean I'm gonna need to act nice towards everyone? One thing's for su...

When Dream loses his memories after receiving severe head trauma in battle, Nightmare and his team choose to take advantage of the situation...

Just some Undertale and AUs x reader for funsies <3 Happy 2025!!

Life has been harsher to you than most, and at your lowest you meet someone unexpected. He picks you up, dusts you off, and shows you things you wouldn't believe. Now yo...

the star sanses was back, fighting nightmares crew, when dream suddenly finds a sulotion, and get nightmare back to his passive form ...but something...isn't right about...

A fanfic of nightmare x cross aka cross mare

!! STORY COVER IS MINE, CHARACTERS DO NOT BELONG TO ME EXCEPT Y/N !! (ps, heavily inspired by my other books, mainly Multiverse's Unwilling Protector.) (Book is currentl...

What if Passive nightmare was never actually gone? Just in a ghost like state? What will the corrupted Nightmare do when his gang somehow manage to notice Passive? How...

You where left on the steers at 3 years old and nightmare fond you when your caretaker left you in an ally way.

Based off of Beauty and the Beast. You are living a quiet life when you are forced to flee into a forest to escape a forced marriage. While running, you stumble across a...

Science!Sans made a reverse personality potion, they used it on Error, Such a big mistake. What will happen to the multiverse if the merciful destroyer changes? Can they...