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undertale
134 stories
So Many Universes, So Many Possibilities by PinkHorsePro
PinkHorsePro
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After falling into the void, Erratum lands in a different multiverse. He saves two little babybones from the clutches of Gaster, and meets the new multiverse who will do everything to fight for him. Or... at least that's how the original goes. In another version he instead falls again, freaked out seeing Ink, getting sent with his kids to other universes. Which already opens up so many choices But there is two wonderful words to explore, the cause of many ideas, stories, worlds, and other huge events. What if? What if Erratum had bent sent to a different place before finding Null and Void? What if Erratum wasn't Erratum, but another forced destroyer of Fate's work? What if all of them were sent to the same multiverse together? Hell, what if it wasn't Error, but a forced god Ink? So many what ifs... but that is the main reason universes exist. With so many universes, comes so many possibilities. This is based off Harris6's Falling Into A Different Destiny and their concept of Forced Destroyer. Please, if you haven't seen any of their books do go check them out. It is definitely worth it. I do not own anything except for the OC's I include, and some worlds. Please be aware that this book will get dark and have many trigger warnings. The art belongs to me! Not amazing but I don't draw skeletons a lot and apparently the style I went for didn't work the best- Also this use to be a full blown book, but it's been changed into oneshots. All of the chapters before will be marked as old- Enjoy!
What if-Book 2 by melonfantasy
melonfantasy
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IM EVIL!!!! MUHAHAHAHAHA HA!!!!!
Female Error Destroyer of AUs by LazyGhostWriter
LazyGhostWriter
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Everything is the same in the multiverse, except for the fact that Error was a girl is the smallest skeleton of the bunch beside kid au skeletons and some don't see Error as a threat (~^3^)~
Blue Blood (A Horrortale Sans x Blueberry Fanfic) by TheOneInnocentBlue
TheOneInnocentBlue
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This story is a Horrortale x Underswap fanfiction! This is one of my OTPs and I think you'll enjoy this ship! It's both adorable and funny! Hope You Enjoy Humans!
Royal Blue by dealialestina
dealialestina
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Sans knows a lot about secrets; he hides many. But when old burdens emerge from the darkness, secrets, new and old, put his brother in danger; and what else can a good big-bro do but begin a double life? This decision haunts him, even years after his suit of armor is stocked away and hidden, after his quaint life of depression, puns and resets are set to loop forever, and his part in the war is forgotten... But then, the barrier is broken. And it is quickly realized that this is not the end, but a beginning of something new. Something that feels like dust, blood, and a suit of armor; an old lie to slip into once more. (Currently being completely overhauled! Anything without a chapter title (ex.: chapter 4, chapter 5, etc.) is old and will be re-written!)
Accept the Truth (Indefinite Hiatus [Sorry]) by ImNotAShipper
ImNotAShipper
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Based off if harrish6 forced god of destruction idea. I loved the idea when I found it. What if Error didn't have enough strength to get away after they had the bright idea of bring everyone to murder him. His SOUL appeared. But nobody bothered to CHECK it. Only to kill, Everyone...except Blue. His SOUL told everyone of the balance. Ink, if course didn't believe it. (No soul in this BTW) The others? Well, they know SOULS don't lie. How do they know Ink has been telling the truth? To put it simply, they can't. Ink and the multiverse now has to learn and accept the truth and their mistakes and earn Error's trust... But will Error accept this apology? Read to find out! 😉
AU Papyrus' and AU Sans' Lemons by SinMaster
SinMaster
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Just lemons
Where did this come from? (Errink) by Paege_Of_Death
Paege_Of_Death
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Error and Ink had been fighting for as long as they remember, but neither was ever going to win. So instead Ink decides to hold out the hand of friendship, which Error takes. But being friends won't be easy, expecially with something unexpected building up in the background. Maybe in the end they'll find that enemies can never become friends... (Cover not mine)
The danger love {Sans X zombie reader}-ON HOLD- by Lollipop11213345
Lollipop11213345
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zombie girl name y/n she is clever at battles one day she meet the skeleton monster name Sans she fall in love with him but the girl name Frisk try to kill her what going to happen you can see in the stories!
Programing the worlds by Glassplant
Glassplant
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He couldn't help but feel for the longest time like something wasn't right. Like the person who was in charge of creating new worlds wasn't the right person. He couldn't help but feel like he was supposing to protect someone not there for some reason, as well as help them find something that was lost. What though? He wished he knew, He wished he could remember! An incident with the "destroyer of worlds" and later a "parasite" starts to bring back the truth though, and he hopes he can fix it before the current creator destroys everything.