121 - 140 of 3,256 Works in Dreamtale Nightmare Sans (Undertale)
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This follows Katherine, the guardian of chaos. You will find out what that means soon... She is a shifter, shifters are beings made of this black sludge that, once killing another monster or human, can turn into them. Her base form is a woman with changing hight and a grayscale body. She always wears this hoodie and she has black long ass hair.
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Dust waits for the anomaly to reload.
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Deep within the belly of the Omega Timeline rests the Underground.
Not to be mistaken with the Underground— the forced sanctuary settled beneath mountain top: The setting for a story told many a time. No. Deep within the churning, hollow soul of the Omega Timeline rests the True Underground.
And, nestled deep within the pit of this chasm, rests a fight club.
Palette knows it as his second home.
Or: Hidden deep within the Omega Timeline, there exists a fight club and black market. Years ago, a sick doctor created life from little more than abandoned magic. Gradient escapes. Palette waits. Dream is faced with echoes of his past. Ink claws for his identity. And, Nightmare steps into the light once more.
Series
- Part 9 of Multiverse of Grey
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Nightmare is already scolding him in his condescending yet apathetic voice. “Given your name, I thought you would restrain yourself to murder.”
Killer grins, hiking his shorts back over his pelvis. “Gimme some credit boss. I gotta get my sick kicks and my dick wet at some point.”
(Incestober Day 10: Fucked Up Caretaker)
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The Fallen Hero Trio (first fanfic) by Rocket_Scientist
Fandoms: The Mandela Catalogue (Web Series), Undertale (Video Game), The Dragon Prince (Cartoon)
07 Oct 2025
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Three different characters from three different fandoms. All of them are the most popular amongst their fandoms they belong to. All of them are considered handsome, but alas, a fallen hero.
All of them are manipulative. Somewhat vintinctive. Their intelligence is valued. They plan to cause chaos across universes.
What would happen if those three characters came together and becomes allies for the better purpose?
The plan surely would work. But it would also cause chaos.
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Yes, you read the title right. This is an askbox fic of a sans au who has endured the most painful times out of everyone else along with other Sans AUs that are either well-known or unfamiliar whenever they become available or not.
Currently available:
Self-Harm Sans
Error Sans
Healer Sans
Murderer Sans
Killer Sans
Scoundrel Sans
UNK! Sans
Nightmare Sans -
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A story about Ink and Co. being space pirates and are living in the vastness of space.
Dream and Nightmare are immortal pirate captains, well known and feared among merchants and other sailors alike as Burning Sun and Kraken.
Ink, also immortal, is a member of Dream's crew and has been his closest friend for as long as he can remember.
It's a dangerous life they live with the guard hunting them down and trying to kill them.
So what happens when Dream and Nightmare get a call asking for help from the very guards that want them dead, offering a full pardon for their crimes if they do.
All they have to do is catch someone who is known as the 'Destroyer' and bring them in, so they can be dealt with permanently.
Problem is, no one knows who that is.Series
- Part 1 of Space Pirate AU
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Dream decided to visit his brother after the truce
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Things are working smoothly (are they really?), everything's going good (is it?), then life finds a way to mess it up.
Sometimes, all you need to improve is your past self to show up in your house and annoy the shit out of you.or;
Nightmare's an asshole, so I force character development on him.or; Dreamtale canon is written via a children's storybook, isn't that interesting?
TITLE AND SUMMARY SUBJECT TO CHANGE AS STORY PROGRESSES
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Nightmare's gang always knew their job was risky, but they never expected to actually die.
Then Killer was killed.
Nightmare found a replacement quickly enough, but this new Killer isn't the same as the old one, and the gang are having a hard time adjusting.Inspired by a comic by darkxsoulzyxcaliberx. A huge thank you to my bestie and partner for beta reading.
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Ptolemaea by Ho0kerinaMorgue
Fandoms: Undertale (Video Game), UTMV, Undertale Multiverse - Fandom, Aftertale - Fandom, Reapertale - Fandom
06 Oct 2025
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Ptolemaea es la tercera zona del noveno círculo del Infierno en La Divina Comedia de Dante Alighieri. Está reservada para los traidores a sus huéspedes y aquellos que traicionaron a quienes los acogieron con confianza.
- Language:
- Español
- Words:
- 4,297
- Chapters:
- 1/?
- Kudos:
- 3
- Hits:
- 88
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They can make you fall in love with fear by InkyOverlord
Fandoms: Undertale (Video Game)
06 Oct 2025
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When Dream shows up at Nightmare's door unannounced, he fears the worst.
Turns out it's something else just as surprising
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Onto glitchy, uneven ground they fell, looking up at the sky that wouldn’t last. The sky looked abnormally bright, with the earth itself sputtering beneath their limp body. They reached forward, grumbling before rising up with a stumble, wobbling over to the cliff as they dust themself off. They stared down at the bottom of it, frowning. It was so high up, yet they.. didn’t want to really take a step back.
The sound of a soft crack entered their ears, yet they continued to blankly stare down, before their gaze met the town just beside MT. Ebott. Another crack, yet they just relished in the view. One final crack, and they begin to stumble downwards. They pay it no mind considering their earlier fall.
What they do pay mind to however, was a large piece of the cliff cracking, falling off and bringing them down with it.
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How a glitchy, traumatised Frisk (and Chara) met Error and Nightmare, and how that caused them to meet the Bad Sanses.
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Nightmare didn’t pay Killer to be nosy, but then again Nightmare didn’t pay Killer at all.
Besides, Killer never really knew when to quit. After a nasty fight with Cross, Killer gets lost in his frustrations and ends up in a part of Nightmare’s castle he’s never been to before.
The deeper he goes the colder it gets, and the darker it gets. The light he finds at the end of this tunnel seems more like someone's prison than a way out.
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Nightmare had been so happy to get adopted, he was finally going to know the life all the bitties wished they had ! If he had knew what was waiting for him, he wouldn't have been so excited...
The worst years of his life passed very slowly, and when he was tossed outside under the rain, he had thought it would finally be the end, that he would finally stop hurting... but someone saw him, and decided to give him a new chance at life, a new home, one in which he would be fine...
Series
- Part 2 of Bitty AU
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Dream’s life shattered before Nightmare’s very eyes, his brother’s future being wiped out in one bite of an apple. A golden apple. He had been eating so many that Nightmare knew the positivity would overwhelm him and his senses, it’d become toxic. Corrupting.
This wasn’t right. This wasn’t right at all.
OR
After Dream eats all the Positive apples out of the Tree of Feelings, he corrupts into Shattered Dream. Slowly, due to this error in the code, the Multiverse begins to break - and Nightmare is at the centre of it all.
Series
- Part 1 of Longfics
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idk man?? Dream turns nightmare back to (nightmare, before he was corrupted) and the bad sanses are like: ohhh nooo and the star sanses are like: ohhhhh and then error is there for some reason idk 🙏 this probably doesn’t match up with a few things and/or doesn’t make sense soo uhh sorry .
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Dusting Souls And Sewn Lips by Wolfy_galaxies
Fandoms: Undertale (Video Game), 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
05 Oct 2025
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This book follows Dream sans. After a fight with her brother 402 years ago, that caused them to go the separate ways.
Now, being part of the top hero group called the “Star Sanses” Dream fights her brother, along with his gang, “Bad Sanses” when seen around the city. Dream also must balance being a single mom to her teenage son and her job as a hero. So, when she meets vigilantes' multiple times and didn’t arrest them on site; going against hero law, but deciding to help them instead. Knowing that, if the Hero Council finds out she could be retrenched and be put in jail.
New friendships and allies are made. Dream tries to fix her and her brother’s relationship, but can’t seem to win. Somewhere along the line one of her son’s bosses had seemed to catch feelings for her, and asks Dream on a date. While a figure from the past causes trouble, causing Dream and Nightmare to put their past a side to save the city or rather some one important to both of them.
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When even Blues memories fail, can he trust his friends?
Does. He does have friends right?a gift to a pal :3
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The bad Sanses respected their leader.
The god of Negativity was a fair and strategic boss. He provided shelter and food, ensured security and treated their wounds with something close to care.
What will his subordinates do, when their mighty Boss falters? When he's the one in need of care and protection?Nightmare's 'health' dips after a close call with an arrow of positivity. Nightmare would do it all again if it meant ensuring the safety of his boys.
Angst and Fluff! I know this fandom is sort of dead, but I still nonetheless will write this! Feel free to suggest crazy things, or even separate fics!