Undertale and HTTYD Crossover

Undertale and HTTYD Crossover

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WpMetadataNoticeLast published Wed, Mar 11, 2026
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Fanfic
Undertale
What if the Nightlights from HTTYD were to fall into the underground and meet Sans (and the others of course) also the nightlights will talk in this book because it's necessary for the plot. The cover and idea are both made by my younger sister but the plot of the book is mine also the dragonets fall down instead of Frisk so Frisk doesn't exist. Also the writing is improving over time so please read the first ten chapters before you decide wether to read it or not or maybe even read just the newest chapter to see if you're interested in the plot or not and if you are then read back. ©️ Copyright All Rights Reserved BUT IF YOU WANNA WRITE A STORY WITH THE SAME PREMISE BUT A COMPLETELY DIFFERENT STORYLINE THAN THE ONE I HAVE THATS FINE WITH ME IF YOU WANNA USE THE SAME PLOT THEN ASK ME FIRST ALSO YOU HAVE TO ASK ME ON WATTPAD ONLY AS I HAVE NO OTHER SOCIAL MEDIA THAT IM ACTIVELY ON AND SIGNED INTO. IM ON PICSART NOW BUT I WANT TO HAVE QUESTIONS RELATED TO MY BOOKS ON WATTPAD WITH THE EXCEPTION OF THE PICSART BOOK.
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#4
babydragons
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"In this world, its kill or be killed" - Long ago, two races ruled over Earth: HUMANS and MONSTERS. One day, war broke out between the two races. After a long battle, the humans were victorious. They sealed the monsters underground with a magic spell. After the war, the monsters retreated into the deepest part of the Underground, which would be called, "Home." - Note: In chapter one i NICKNAME frisk "Sam" Due to the fact you dont figure out their name until the end of pacifist so i had to put a nickname to make it easier to write and read. Sam is a neutral name so it should be fine. - NOTE: All lines with this symbol " * " is going to be in Wing Ding font in the final release of the book. But for now, it is already deciphered for you! - *So yeah! This is book one of my Undertale Series, which will be 2 books in total. *The book is Fanmade of course, Support the original game by Toby Fox. *Since its Undertale, i have to warn you guys obviously that there will be action and mature things. And book one is Genocide, so... *Follow my Instagram: @Djcasso -

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