Gaster Stories

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 b...

"Do you not want to go back home? To the surface?" °°°°°°°°°°°°°°°° "No." °°°°°°°°°°°°°°°° "Why?" °°°°°°°°°°°°°°°° "Because my home i...

The reader wakes up to a new life as a monster skeleton. In a new world, that's filled with monsters, humans, and magic. But instead of living their new life to the full...

A/n: I got some inspiration from another story, I'll try not to make it a carbon copy. Gremory Rose, to be exact. The forgotten child. The Cursed One. Such cruel names t...

After an unfortunate experiment gone wrong, W.D. Gaster finds himself in a strange new world.. how will he get out of this one?

The adoptive brother of Ruby and Yang attends Beacon Academy. stuff happened and I lost my account, so I'm doing my story again on my new account, I'm SO sorry for this...

None of the art used in this story belong to me!!! And neither does Gaster! __________________________________________________ You were just supposed to be another shot...

Y.N. Gaster one of Ozpins best friends. But soon to be enemy. Due to there differences Ozpin trapped Y.N. in the void where he stayed for years. Y.N. had tried many time...

I don't own Undertale or any images.

You and your friends climb mount Ebott to watch the sunset, but what you find, is a whole new race. You and Frisk grow close, learn about magic and each other, and dis...

You've been doing the same True Pacifist / Pacifist Run over and over in a place called the "Underground". Though you like the Underground, you can't help but...

One day, Sans fell sick. His sickness came out of nowhere and it cannot be cured no matter how many medicines Gaster gave him. Because of the sickness, Sans stayed still...

Bringing people back into existence doesn't generally have negative repercussions. Not for an entire world at least. So why don't we use the same idea for an all powerfu...

this is a fic I promised a few months ago you might be wondering why now? to be honest I forget 💀 but now I can start ( I found a paper about working on it and that's w...

Undertale gang reacts to songs, animations, comics, and more.

There was one's a high school girl 16 year's old a big fan of Undertale. She decided to make here own Oc of Sans of her self and make a story... While the girl was waiti...

This doesn't 100% follow the original Xtale story even before the babifacation of Gaster. When a pure yet genius soul dies at the same moment one of Xtale Gaster's over...

Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over a...

Just a bunch of comics about Undertale.I do not own this comics.

WARNING: THIS CONTAINS HIGHLY MATURE CONTENT (BLOOD, VIOLENCE) READ AT YOUR OWN RISK Money can change a lot of things. It can even change your destiny. Plunge yourself i...