1 - 20 of 60 Works in Original Dark World(s) (Deltarune)
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Early in the school year, in the midst of some extracurricular investigations, team RWBY enters the safehouse of a known criminal, and finds much more than they bargained for.
The night after venturing into the church, a strange new darkness appears in Castle Town. Ralsei ventures into it, expecting to find his friends bracing the dark once more. He finds new friends instead.
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Kris agrees that whatever happens in the plan, they'd get what they want at the end of Carol's deal, to get their old life back. They were prepared to be possessed and had everything set up perfectly.
However, what they weren't prepared for was that the "Demon" possessing them was actually someone out of their town, three cities over, and three decades past, beneath 7 feet of dirt. But it shouldn't have bothered them. After all, they said they would do anything for it... right...? -
Sweet Boy (Can We Go Home Now?) by Scooterfrog
Fandoms: Deltarune (Video Game), Undertale Yellow (Master Sword Video Game)
19 Oct 2025
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Clover's priority was to bring JUSTICE to the five lost children who had gone missing down Mount Ebott. Unfortunately, he found a caring group of friends and a home in the Wild East like he'd always wanted.
He knows he's side tracked from his mission, but storming the King's Castle could put those trapped SOULs in danger...so he might as well stick around a little while for his new job as the towns Deputy.
Double unfortunately, after a set of events he can't remember, he wakes up in a strange world with a strange knight he can't quite seem to win over. If he can't bring JUSTICE to those children yet, he'll do whatever he can to assure the same fate doesn't fall to his new friends.
Kris, in their defense just wants to save the world and get out of doing that damn school project.
- Language:
- English
- Words:
- 9,757
- Chapters:
- 3/4
- Hits:
- 12
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Summary
Well after the Roaring, the world is finally right again.
After the world almost ended, a time of recovery has passed. The class of Hometown graduated, and are heading off to college to find their places in the world. While everyone else seems to have moved on, Kris finds themselves stuck. Especially now, without their guiding hand.
So how do you move on from a life where every choice was already made for you? -
Dragon Blaz(ing) 2: Tragedy In Blue by paradoxcloned, TGClmao
Fandoms: Deltarune (Video Game)
18 Oct 2025
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I uncovered a mysterious Dragon Blazers 2 ROM hack on an old, obscure forum. To help everyone get the full experience, I've decided to novelise it! Hopefully this makes my exploration make more sense!
Cel, resident college student and now begrudgingly a protagonist, gets heroism forced on them by the hand of fate. Stuck a world based on another's trauma, their real mission becomes clear: they've gotta get out of here.
This is a metafiction story; both about a non-existent creepypasta ROM hack, the changing tides of Deltarune's fate, and an author getting caught up in it.
Perhaps it means something. Perhaps it doesn't. But it exists, and that's what matters.
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Your life in your "original" world was terrible.
Stuck in the wrong body, family hostile towards your true self, no social connections to reach out, and a spiraling mental health crisis.
Until you were given the chance to anew your crumbling life. A fresh start. A body of your own will and make. A world of light and dark to explore and discover. Friends and enemies alike to meet. Mysteries to be unraveled. Decisions of your own to make.Or well, at least that's what you were promised.
A Deltarune fanfiction about a trans girl from another world, being thrown into a web of mysteries, promises, and lies against her will. But she isn't one to sit and take what's happening to her.
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The Games We Play by FoundUser, Primordial_Rebel_Jester
Fandoms: Deltarune (Video Game), Undertale (Video Game)
18 Oct 2025
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There are infinite opportunities in this world. Infinite opportunities for dreams. Infinite opportunities for hopes. Infinite opportunities for regrets... for loss.
There are some memories you would rather just forget...
The old royal scientist knew that better than anyone.
BRIGHT, BRIGHTER, YET BRIGHTER. SO YOU STILL SHINE ON, EVEN AFTER EVERYTHING YOU ENDURED. EVEN THROUGH THE COLDEST NIGHT.
But a story doesn't have to end the same way.
EXCELLENT. TRULY, EXCELLENT. LET US BEGIN THE CREATION OF OUR NEW FUTURE.
Sometimes... a game can have a secret ending.
(A Deltarune novelization that takes some unexpected turns from canon. Based on some theories, and a little bit of imagination, even the unknown can make itself known.)
(Custom Art and beta'd by Primordial_Rebel_Jester. Story by FoundUser.)
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Asgore’s flower shop lies in ruin. Kris is gone, and so is the Knight. All that’s Susie’s got left is Noelle, Ralsei, and a peculiar piece of Kris’ baggage.
When she encounters a dark world in Hometown’s hospital, she dives in to seal yet another fountain- and is greeted with demons from her past, a new member of the group, and foes the likes of which will challenge her resolve like nothing else in the day to come. But none will stand a chance against the Axe of Justice.
An interpretation of Deltarune Chapter Six following a theory-compliant rendition of Chapter Five.
Previously titled “The Heroine Appears”.
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Question! by CalysisProductions
Fandoms: Deltarune (Video Game), Darkrune (Deltarune AU)
16 Oct 2025
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They need to find her, that's what Kris told themself.
In the end, they get what they bargained for... and more.(Set directly after Matriarch)
Series
- Part 2 of Darkrune - A Deltafell AU
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It is a fine autumn day, and a close-knit group wanders a forest.
or: down, deep, dark, depths
- Language:
- English
- Words:
- 1,455
- Chapters:
- 1/?
- Kudos:
- 2
- Hits:
- 33
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Susie...she was the girl, with hope crossed on her heart. Kris was sure of it. If anyone could rewrite that ending, it was Susie.
But they weren’t. They weren’t hopeful, or powerful, or even really a hero. They were just...the cage.
What could they even do?
...fuck that.
Kris jumped to the ground below, and took off running.The Cage rebels against their masters and shares their knowledge with the Dragon. The Festival is coming, and this world is never gonna be the same.
Series
- Part 5 of Different Dimensions' Deltarune
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As Kris waits for a call in the Holiday's kitchen, Susie chooses then to question how in the great googly gosh darn did Chapter 3 happen.
Fast forward five minutes and Kris is running for their life, Susie is eating a garden rake, and Noelle is hearing voices in her head.
This is not how anyone involved planned on breaking fate.
(Formerly just called "Hey Kris, it's The Knight")
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Kris was done. After a couple life-changing months, the Roaring was gone and the Angel was banished. They would need time to process the new happy life they now lived, and time to grieve the interdimensional invader they had grown so attached to, now separated from them. But first, it was time to check up on how hometown had changed after experiencing the Roaring and the power of the Dark Worlds.
Meanwhile, Ralsei is very confused as to why the narrative still feels like its moving. Weren't they supposed to reach an end? With their connection to the upper layers cut off, what could possibly be keeping things moving, and what did that mean for them?
This work is based on the events of Persistent Variables by BewareTheDragon1. It takes place the day after chapter 99 (so, before the actual epilogue).
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A Tale of Light VS Dark - An Adstin story by ember4embry, vampeyer
Fandoms: Deltarune (Video Game), lankybox
13 Oct 2025
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Summary
Taking a break during recording, Justin goes missing. It's Adam's job to find him.
- Language:
- English
- Words:
- 904
- Chapters:
- 1/?
- Comments:
- 1
- Hits:
- 5
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Summary
Noelle accidentally opens up a Dark Fountain in her kitchen. Dark World shenanigans!
then w.d gaster comes and kills everyone (no he does not, summary guy is fired)
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Ayden wakes up in his room… he thinks?
Follow Ayden as he ventures around this strange world.
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FREEDOM BRING - The Dark World by Hello_I_Exist
Fandoms: Persona 5, Deltarune (Video Game)
09 Oct 2025
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NEW CHAPTER IS OUT, IT'S JUST CHAPTER 10 NOW. I'LL REMOVE THIS WHEN CHAPTER 11 IS OUT
Akechi and Hifumi discover an alternate universe (no, not that one) in a storage closet. Apparently, they're also destined/prophesied heroes.
Akechi's just annoyed that he has something else to add to his already-full schedule.~
The morning after sealing the Fountain within the Church, Kris opens their eyes on a subway in a city called 'Tokyo' in a country called 'Japan.' On the plus side, for the first time in days, their will is finally their own.
The morning after seeing the end of the Prophecy and swearing to challenge fate, Susie opens her eyes in an alleyway in a city called 'Tokyo' in a country called 'Japan.' She also has more skin and fewer scales than she's used to.
The morning after doing the impossible and slaying a Titan, Ralsei opens his eyes to the impossible: He's in the Light World, as himself... But he has a lot less fur and fewer horns than he's used to.
Noelle.
(Check the Series for the Kris, Susie, Ralsei, and Noelle in Tokyo! Persona 5/Deltarune Discord Server: https://discord.gg/pdBrbEfkpz)
Series
- Part 1 of Freedom Bring: Persona 5 x Deltarune
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FREEDOM BRING - The Light World by Hello_I_Exist
Fandoms: Persona 5, Deltarune (Video Game)
09 Oct 2025
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Summary
The morning after sealing the Fountain within the Church, Kris opens their eyes on a subway in a city called 'Tokyo' in a country called 'Japan.' On the plus side, for the first time in days, their will is finally their own.
The morning after seeing the end of the Prophecy and swearing to challenge fate, Susie opens her eyes in an alleyway in a city called 'Tokyo' in a country called 'Japan.' She also has more skin and fewer scales than she's used to.
The morning after doing the impossible and slaying a Titan, Ralsei opens his eyes to the impossible: He's in the Light World, as himself... But he has a lot less fur and fewer horns than he's used to.
Noelle.
~
Akechi and Hifumi discover an alternate universe (no, not that one) in a storage closet. Apparently, they're also destined/prophesied heroes.
Akechi's just annoyed that he has something else to add to his already-full schedule.(Check the Series for Akechi and Hifumi's journeys through the Dark Worlds! Persona 5/Deltarune Discord Server: https://discord.gg/pdBrbEfkpz)
Series
- Part 2 of Freedom Bring: Persona 5 x Deltarune
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Summary
Across the other end of the arena, is Kris. They’re acting nonchalant, with their sword held firmly in one hand at their side, the tip of its blade grazing the ground. They’ve got a slight advantage, here, seeing as their metallic armour serves to protect their chest and provides some form of support for their ankles.
Susie, on the other hand, isn’t granted such an honour. Her dark world outfit is made solely out of cloth and fabric, aside from the golden embellishments within her belts and arm accessories. The weight of her axe rests atop her left shoulder, where she’s only using one of her hands to support its handle.
There’s not that stark a difference between the two, in terms of strength and power. They’re both pretty commendable assets in terms of battle – which is exactly why Susie is so curious to see how this’ll go.
kris & susie spar in the dark world!!! or at least. susie THINKS she's sparring with kris.
written for day seven of krusietober, following the prompt 'fight'!!!
Series
- Part 7 of Krusietober fics 2025!
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December Holiday's first and second Dark World visit.
Series
- Part 3 of The Summer of December