Undertale reborn
57 stories
Becoming Nightmare but different? (Dreamtale AU) by AbyssSh3ena
AbyssSh3ena
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    Parts 7
What if someone becomes Nightmare and got corrupted in a stupidest or funny way before the villagers came?
Becoming Fatal Error Sans? Strange.... by AbyssSh3ena
AbyssSh3ena
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I died after I got killed by those old bastards. They thought that I'm an afghan girl who was wearing wearing a tourist clothes in order to escape this country but no, the truth is that I am not an afghan girl! I'm just a young adult, just doing my job to deliver these packages until someone grabbed me then accuses me before beating me to death! I am an American, for goodness sake! (The cover does not belong to me)
I Am Reaper Sans || Reborn by AbyssSh3ena
AbyssSh3ena
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    Parts 3
Being the grim reaper is hard
 Errored out memories by KarmaAkabane425
KarmaAkabane425
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So what if reaper...lost his memories but gained someone elses when he becomes error reaper? (Different everything, so instead of geno sans being used to become an error to destory, reaper sans, who was holding geno and his souling, ended up getting grabbed and pulled into the anti void on accident, of course reaper ended up losing his memories but gained memories of some random human who loves undertale and some aus and the multiverses and has some knowledge on things etc, it's still reaper who becomes an error reaper, but he just didn't Remember anything from his past life, so he assumed he was a human who died and transported because of the memories X
Reincarnated As Nightmare, But As The Parasite. by Originalsparkstar
Originalsparkstar
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Why did they think it would be that easy? They had no family, no friends, no money, no home. Everything lead them to it, yet instead of heaven or hell. They find themselves reborn as the Parasite that took over Nightmare's body. Surrounded by bodies, in front of the statue, with a text box asking if they wanted to kill Nightmare or not to fully take over. Of course they're going to choose no, they just woke up here with no one and nothing. Why kill off the only one here who can still talk? Follow the weird story of Nightmare and Night, as they try to live with the other. As one follows to do whatever they want, and the other goes along for the ride.
Reincarnated as nightmare sans from Dreamtale by nelliesheerin
nelliesheerin
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    Parts 22
A women who loves children dies and is face to face with the decision to reincarnate as nightmare sans if she allows herself to be Karmas chosen child. 'Fgod error belongs to Harrish6'
Have I become Dust Sans? by Dedicated2Sleeping
Dedicated2Sleeping
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Have you ever thought about what it would be like to be.. Sans? Be Papyrus' lazy and playful brother? Be a comedian with endless jokes? Be the mysterious judge? Be well-liked? You envy him. You wanted to be him. Yet nothing could've prepared you for what's coming. . . . (WARNING, THIS IS A MIX OF CANON AND FANON FACTS. THERE MIGHT BE THINGS YOU DONT LIKE BUT JUST BE THE BIGGER PERSON AND TOLERATE IT. THIS IS NOT MEANT TO BE TAKEN TOO SERIOUSLY AND IS INTENDED ONLY FOR ENTERTAINMENT.) (Cover made by me. As you can see, I made that thing on IbisPaint. I understood nothing about making book covers and I messed up on the proportion many times so I gave up and that's how the cover came to be. Idk how to shade and make backgrounds/landscapes btw) (Tbh I wished I made this far earlier because it's late 2025, no one is going to read this pile of nonsense. 😭) YOU GUYS HAVE AN OPTION TO CHOOSE THE DIRECTION OF THIS STORY THROUGH FREQUENT POLLS I MADE!!! First thought of and made on 1st Dec 2025 Posted on 6nd Dec 2025 cuz I was feeling confident for that hour.
an untold story by nelliesheerin
nelliesheerin
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    Parts 7
I have read many reincarnation stories in my life considering it was my favorite type of story to read but none were as cruel and sad as the one I lived. I had died a painful and agonizing death but when I awoke I was somewhere new. I didn't know where till I was told of my new name but this isn't about that or even about my time spent in this multiverse this is about the what is to come. or a story about someone reincarnating as nightmare sans but everything seems to go wrong for them ending in their multiverse eventual collapse. ink and dream were desperate in trying to find a solution to error and nightmares constant destruction and chaos ended up summoning someone from another multiverse in hopes they could help. they did not expect the person they summon to be a version of one of there greatest enemies.
Shattered Town(Reincarnated as Shattered Dream) by DuckQuackWhatever
DuckQuackWhatever
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Oh whatever god was real.... ... ... ... WHY THE HELL DID YOU MAKE ME HIM??!! (Rip with this guy,he dosen't remember what he did to deserve this,cover by me[LAZY]) -Oh wow i actually got first in the villagers tag
Between Mercy and Madness  by Moonlight_Malaysia
Moonlight_Malaysia
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    Parts 12
I wasn't supposed to end up in his body. He wasn't supposed to still exist. And yet... here I am, trapped inside Killer!Sans, the infamous skeleton who lost everything - including his soul. Now I see what he saw. Feel what he felt. And carry the weight of the knife he used to kill in cold blood. Chara won't stop whispering. Papyrus's memory won't stop crying. And something inside me is slipping-slowly, terrifyingly-into the same emptiness that swallowed him whole. I never wanted to be a killer. But I also can't go back. And if I don't make a choice soon, this body-and what's left of me-will be lost for good. This isn't a redemption story. It's survival. It's a fight to stay human... inside a monster's bones. 🔪 Daily update 🔪 Does not exceed 1000 words per chapter 🔪 12 chapters