Gasterblaster Stories

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...

A girl with a secret who meets a skeleton with the same one. Can they both control their fears and their forms for each other? or will one of them obtane the higher rank

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...

⚠️Read first chapter for rules when requesting!⚠️ (requests may open again in the future) -*_This book is NOT discontinued (read the chapter called "Requests Closed...

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.

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

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...

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...

Basically what it says in the description... Just some pictures of Feraltale and BB Trust Au. Also some other pictures such as Temmie, Doomfanger, and The Annoying Dog...

(DISCONTINUED. GO TO THE ACTUAL AO3 WEBSITE TO READ OTHER CHAPTERS) https://archiveofourown.org/works/5350673 It's over. Frisk's journey has ended in the best way possi...

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...

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

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...

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...

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...

An fgod Empireverse crossover.

UNDERTALE SPOILERS! it had been a long time since a human had fallen down. They only needed one more human so they could be free from the underground. Sans were talking...

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