1 - 20 of 208 Bookmarks by FinitePotentiality
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Summary
Despite every effort to the contrary, Edge takes the night off. Featuring also: Sans Undertale's non-sexual humiliation kink.
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"I TAKE TIME OFF," Edge insisted. "I HAVE HOBBIES.""Your hobbies are inspecting the conduits at 0300h and skipping rope during crew evaluations."
"I ALSO KNIT, YOU LINEAR CARP!"
Series
- Part 2 of Skeletons in SPAAAAACE
- Language:
- English
- Words:
- 7,189
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 6
- Kudos:
- 12
- Bookmarks:
- 3
- Hits:
- 45
Bookmarked by FinitePotentiality
23 Jul 2026
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can't spell "personality disorder" without several letters from my name by Somethin_Strange
Fandoms: Undertale (Video Game)
21 Jul 2026
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Summary
These are the things that do not change. A lot does change- sometimes you’re king, sometimes you’re dust- but not this. Never this. This is your life. You and Sans get on just fine.
Papyrus has a bad day. All he seems to have are bad days. Flowey has some big news that might just make it worse.
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Summary
“Does it make sense for Sans to kill his brother?”
“In what circumstances would it make sense for Sans to kill his brother? Does it make sense for Dream to kill his twin? Is the inverse true? Would it make sense for a little boy to die under the apple tree, only to be replaced by a being of pure malice, carrying the the same name and face? Would that make sense to you, Killer?"
The cold wind caressed their faces. The purple-clad skeleton sat in the dusty pile of snow, tears running down his cheeks. Killer saw the grief engraved into the other's features, and found himself, for the first time since their meeting, seeing Nightmare's face fully and clearly.
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A what-if about Killer meeting a Nightmare who didn't die in childhood, but was saved before the worst could happend. Follows the how's and why's of their relationship from Killer's point of view. A charming (I hope) side cast is includedBookmarked by FinitePotentiality
20 Jul 2026
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Summary
Error finds himself literally in the clutches of the ever-scheming X-Gaster, who appears to be in the middle of taking over the original Timeline. The residents of X-tale wait for their leader's command as they watch X-Gaster interrogate the Destroyer of Universes.
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Error / Cross
(Tags will be updated overtime)
Bookmarked by FinitePotentiality
13 Jul 2026
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Summary
After years of struggle Killer decides enough is enough. He's tired of fighting and in truth he can't even remember what he's fighting for. All he wants is to get off his knees.
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Sans’ Guide to Finding the Best Twin You Never Had by Olrethaz
Fandoms: Undertale (Video Game)
11 Jul 2026
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Summary
"your bro?" Red-guy said suddenly, eyelights bright and alert. "you're lookin' for him aren't you?"
"uh, yeah." He blinked, startled out of the already fading memory.
"tall, loud 'n screechy maybe?" Red-guy leaned in, now uncomfortably close and he started to miss when he kept his distance like a defensive stray.
"…not the way i'd put it." he said and the third significant realization of the night hit him like a truck "well if we're talkin' 'bout the same guy i'd say we have to be brother's too."
"i…guess?" Red-guy's already cat-like sockets narrowed at him in consideration "maybe we were estranged or somethin'."
He nodded along.
That sounded about right, Red-guy seemed like the kind of guy you'd want to be estranged from. Not that he had many options in terms of companionship at the moment, so he exhaled and sluggishly got to his feet.
"welp. i'd say that doesn't really matter anymore." He said and let out his hand to help his brother up.
"…guess i could do worse." red-bro said from where he was still poised underneath the tree.
Or
Red and Comic get dropkicked through space and time into a jungle with a bad case of amnesia. Obviously they must be twins.
Series
- Part 4 of Undertale Fics
Bookmarked by FinitePotentiality
11 Jul 2026
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Summary
For exactly seven minutes and thirty four seconds, all positivity in the universe stumbles, wavers on the precipice of death, and then reluctantly snaps back into place.
It starts on an entirely innocuous day. That’s part of what makes it so frightening- there was no warning, no precursor.
What’s worse though, is that Nightmare has absolutely nothing to do with it.
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The Stars are missing. No one knows where they went, what happened to them, or how to get them back.
Well, almost no one.
Nightmare, however, is determined to find out what happened to Dream and the other two Stars. Even if that means putting a pause on his goals, playing nice with the rest of the multiverse, and dealing with his brother's idiot friends.
Bookmarked by FinitePotentiality
05 Jul 2026
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Summary
Cross hums, shifting his free hand to cover his sockets. "It's random," he says, "but where would you want to live if we ever get out of here?"
Killer blinks and uncurls himself so he's almost face-to-face with Cross. "Outertale," he answers with little hesitation, "so I can always watch the stars."
Or, Cross leaves.
Series
- Part 4 of Sans AUs
Bookmarked by FinitePotentiality
01 Jul 2026
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Foundation Built Upon Desolate Walls by CherifulBerry for JustALittleAuthor
Fandoms: Undertale (Video Game)
01 Jul 2026
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Summary
A point of view from killer, meeting nightmare just after he was turned. Their tales exchanged and their fates intertwined, Nightmare insists they can find a new home, a better home, together. Killer decides to at least humor him, and see where this road goes.
- Language:
- English
- Words:
- 1,047
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 4
- Kudos:
- 11
- Bookmarks:
- 3
- Hits:
- 44
Bookmarked by FinitePotentiality
01 Jul 2026
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Ink was a rather strange person and he knew that. He could do a lot of strange things like regrow his limbs if they were destroyed and drink paint like one would water, but this one... This one is probably the strangest, and it wasn't even his fault.
Or, I got inspired but the game Skul: Hero slayer and how the main guy you play as can detach and throw his head as a weapon.
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Summary
While attending Blue's funeral, Ink realises that he can't remember anything substantial about him.
Bookmarked by FinitePotentiality
23 Jun 2026
Bookmarker's Notes
they had to turn my neighborhood into a federally protected river from how much i cried
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Through Thick and Thin, In Sickness and In Health by KennieMorguen
Fandoms: Undertale (Video Game)
21 Jun 2026
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Summary
Killer's efforts will never go unnoticed, nor unsupported. Everyone has bad days, no matter how far down the road.
Bookmarked by FinitePotentiality
23 Jun 2026
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Summary
Red isn't at his home AU...
theirs no beartraps covered in rust in his Snowdin. nor is their scratch marks covering the base of the trees.
The Portal spit him out at the wrong timeline!Rust with a hint of iron is all he smells.
The path crooked and wrong.
This new underground mocks and jeers at him.
Stopping gets rewarded with getting threatened and questioning morals leads to death.
is the stranger friend or foe?Red really needs a drink...
Series
- Part 1 of Bone aches
Bookmarked by FinitePotentiality
22 Jun 2026
Bookmarker's Notes
Good old fashioned premise, Red accidentally goes somewhere he shouldnt while drunk. Great characterization of him, hes so awkward and its fantastic. Horror x Red is end game (PEAK)!!
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Summary
It was over, the multiverse was collapsing, everyone was dying and there was nothing anyone could do about it, there was nothing he could do, and it frustrated Ink. After struggling so hard to keep the creators interested, to motivate them and give them a story that was worth their attention, they abandoned him. Ink didn't know how to feel. But it would all be over soon, and soon it would stop mattering altogether.
Until something strange happened.
What would you do if you had the opportunity to do it all over again? To improve and change? Or simply being in control?
That's what Ink is very, very interested in finding out.
Bookmarked by FinitePotentiality
10 Jun 2026
Bookmarker's Notes
PEAK! Unfinished story about Ink saving the multiverse before it's destroyed. He gives everyone a happier ending by overwriting their memories, but many have an uneasy feeling that something is wrong. It's VERY creepy for some characters like Cross, and Chara, who live with XGaster and can't know why they're so uncomfortable, and Dream, whose dating Ink who erased important parts of his life like of nightmare, and bittersweet for someone like Geno(Error) whose dealing with this extreme PTSD?? he can't really articulate but is wants to keep his life.
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Summary
After escaping Nightmare and a tortuously long trial, Killer, Murder, and Horror were released into normal society with no job, connection, or people in this new world. It's okay; as long as they have each other, anything is surmountable, even shitty low-paying jobs or awful roommates.
As long as they have each other, everything will be okay.
Bookmarked by FinitePotentiality
08 Jun 2026
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Summary
Blue is a mortal with 1HP. He has to be perfect, constantly, or he'll dust.
Despite this, Blue's managed to wrangle the Guardians of Feelings into a truce, bringing a tentative peace to the greater Multiverse. This leaves Blue with an old, buzzing threat he's never quite managed to tame.
The twins aren't the only outcodes Blue's been managing.The Gang, meanwhile, are having their own issues, though none more than Killer, who's finding his emotional Drainings are working less and less by the day.
Most frightening of all, now things are a little more settled Blue may finally have to face something scarier than staring down Nightmare or Dream or the Destroyer had ever been: himself.
Series
- Part 7 of Blue's Emotional Intelligence Toolkit
Bookmarked by FinitePotentiality
23 Apr 2026
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Summary
"You-- you could make me feel worse," Ink gasps, barely able to speak through their panicked sobs.
Still, they look directly into Nightmare's eyelight, attempting to promise him something worthwhile.
"Dark blue for sadness," Ink tells him, "and purple for fear. It-- it would hurt, and you could do whatever you wanted with that."It's obvious that they're just trying to get out of this. But he knows what those colors do to Ink. They're not lying.
Dream will interrupt them soon, anyway... Would it be more enjoyable than watching them bleed out?
Nightmare takes the purple vial from its place. Ink's eyelights shine with hope as he opens the cap.He tilts the vial and starts to pour the liquid onto the ground.
"NO--" Ink screams, their voice raw and broken. The scream turns to a gurgle as paint gushes from their mouth.
Only a few droplets fall from the vial.
Nightmare feels something at the sight. He holds on to the vial tightly in his hand.-
(Nightmare captures Ink and decides to torture them. Surely, it will be fun to break Dream's annoying, soulless little pet.
...He doesn't enjoy it as much as he thought he would.)Bookmarked by FinitePotentiality
16 Apr 2026
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Summary
Nightmare brings someone into his castle and immediately regrets it. He tries to rectify the situation but ends up just getting himself deeper into the mess. How is someone who hasn't interacted with any mortals in centuries supposed to deal with one, much less communicate? Nightmare has no clue.
Bookmarked by FinitePotentiality
14 Apr 2026
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Summary
"You okay?" Ink asks, looking at Dream with concern clear on their face.
"I'm fine," Dream says, keeping his voice as steady as he can despite longing to gasp for breath. "He got me, but it's nothing I can't heal."The bone around the wound is blackened, starting at the puncture and spreading over his neck like mold.
He can't be corrupted. It's not possible. He has too much to do.-
(In battle against Nightmare, Dream gets infected with Nightmare's corruption. The idea terrifies him. So he denies it. Look-- he's standing up straight, smiling brightly, working as hard as always. He's fine.)
(Angst with a hopeful ending.)
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Summary
Stage 1 Killer trusts Color more than he trusts the gang.
Stage 2 Killer trusts the gang more than he trusts Color.They all learn to live with that.
Series
- Part 1 of Soul Compilation
- Language:
- English
- Words:
- 9,040
- Chapters:
- 5/5
- Collections:
- 1
- Comments:
- 59
- Kudos:
- 268
- Bookmarks:
- 36
- Hits:
- 2,955
Bookmarked by FinitePotentiality
24 Mar 2026
Bookmarker's Notes
cute. basically stage 1 stage 2 befriend the gang and color (killer sort of behaves like several different people with how drastically his perception changes between stages even though he has the same memory). NM doesn't realize that he shouldn't diddle peoples souls as well which gets remedied after the gang witnesses this and defends killer. Afterwards NM talks to everyone to clear things up. NM basically staged his own intervention. good stuff.