Gasterblaster Stories

Ink had a.. how do you word it? 'Odd' ? That's a good word, he had an odd dream. After waking up, since that day he's been having even more odd dreams. The Star Sans, In...

Everyone thought all the monsters were sealed Underground, but upon making it to the Surface, a couple monsters nobody has ever seen before starts to make an appearance.

In a world where heroes rise and darkness lurks, a unique girl named Sans finds herself thrust into the vibrant halls of U.A. Academy. With a mysterious past and the pow...

Mostly just pictures and some comics on Gaster Blaster Sans transforming or being a Blaster beast already. I do not own any artwork or au's shown in this book. Hope you...

This is a re-upload from my other account! YN Sans grew up wanting to be a hero. With the help of his best friends Frisk and Izuku, he aims to go to UA and accomplish t...

Sans and Papyrus' dad is the one and only Dr. WD Gaster. There mom is.. a werewolf?

Dr. Gaster made 1-S and 2-P to break the barrier and start a war. When he disappeared, they were scared, confused, alone. They broke out of their prison and Grillby rais...

W.D. Gaster never meant to fall in love during the war. But he did. It resulted in heartbreak, a pup, and a high LV. So he experimented. 10 years and no more kid. So he...

Eccedentesiast Noun Someone who hides behind a fake smile, when all they want to do is hide and/or die. (Cover art is not mine, and full credit to the artist!! (I...

⚠️Read first chapter for rules when requesting!⚠️ (requests will NOT be open again in the future) -*_This book is discontinued (Please don't read it, it's so bad.) _*- •...

What is wrong with Sans, and who is Gaster? This is such a reused Description. Undertale belongs to Toby Fox.

Warning: this contains vore. If you don't like vore then please leave. Those who stayed, enjoy. Running through snow. "Help me!" " Fear" "It hur...

Y/N is an Ultima but she is also a soul mix. A soul mix is when two soul types combine and become one being. She is a mix of CHAOS and CORRUPTION. The strongest soul typ...

[[UNDERTALE SPOILERS!!]] After frisk had done the pacifist run many times, something gone wrong... Flowey never showed up in the end. So frisk lived in the underground w...

An fgod Empireverse crossover.

Reincarnated in the BNHA universe with the powers of Glitchtale Gaster (By Camila Cuevas on YouTube, subscribe) and Nephilim Sans from the thought.

This is a GasterBlaster!Underswap!Sans fic in the world of Underswap. Sans (or Blueberry) is a ten-year-old skeleton who isn't allowed to leave home. While his father (G...

Fgod Error, his little sis(Pixel), Null, and Void end up in vampireverse. Now this is pretty typical, the twist though, is that they are gaster blaster shifters! They ca...

idk what am I supposed to be doing but want to see my costume?

𝐀𝐧𝐨𝐭𝐡𝐞𝐫 𝐝𝐚𝐲, 𝐚𝐧𝐨𝐭𝐡𝐞𝐫 𝐫𝐞𝐬𝐞𝐭. Sans, a lazy short skeleton is a victim, along with the entirety of his home and family to a human named Frisk and thei...