Undertalefanfic Stories

-FIRST BOOK OF THREE- Ever since the War, magic humans have been training to kill all monsters when they escape. They've even built a special school designed for teachin...

Undertale aus x reader Featuring (in order): Nightmare Error Dream Ink Cross Dust Killer Blue Horror The Soulmate Au is where everyone that comes or lives there will hav...

Random stories about Undertale, Deltarune, Undertale AUs, and Undertale Yellow that I will post on a whim :)

After Chara decides to humor Frisk, things don't go entirely as planned.

A life where I have to fight everyday,sounds tiring but if my bro is there than I have to be. I made a promise, sure, but that won't stop me from being there for my brot...

In the world of SerenityFell, a young girl named Lillie embarks on an extraordinary journey after an unexpected fall into the mysterious underground realm beneath Mt. Eb...

it's been 5 years after Frisk struck down the Monster King and left the Underground. There's no use going back, no use resetting, Frisk is happy to be home. However, a n...

You are a orphan that was being chased by a dozen Orphanage keepers. You had just witnessed your friend's death and had ran away. You quickly run to Mount Ebbot. And you...

Mainly for myself

ART NOT MINE ‼️‼️‼️ I won't post alot cuase I don't use whatppad much

Ok ok hear me out I know this might be cringey but just hear me out. A human named Maryellen falls into the underground instead of Frisk, see how different the story pla...

When cardin revealed jaune's transcripts to everyone in beacon he was bullied everyday except Team RWBY, Team NPR, Team CFVY, The arc sisters, Saphron's family, Ozpin, G...

Have you ever wondered that out of the thousands of humans during the human and monster war that not even one sympathized with the monsters? I bet you do, for I certainl...

WOW AN UNDERTALE AU STORY???? I THINK Y E S inspired from blog called "Amongustale" on Tumblr credit to the original creator i dont know very much about the ch...

"Welcome to Crystal Tale." The city was filled with many gems that monsters had brought. So the city could live in peace with the monsters. But who brought...

This book is the aphmau x undertale crossover book. Aphmau and her friends travel to Mount Ebott and fall down finding themselves in Snowdin, while there they get introd...

"*Everything is lost for us,Sans,I don't want to still here anymore,I just want to die..." -Frisk PD: Este fanfic es escrito originalmente en español UND...

This is an Undertale AND Deltarune fanfic. To avoid confusion, it is set after Frisk saves the underground. All the monsters, including Frisk, move to the surface. Now e...

! Slow updates ! An undertale fanfic, dust will be the main character because I am obsessed... Just a little bit Also arts not mine unless specified

Wolftale follows Frisk in her journey through the underground. The monsters of the underground have slowly been losing their magic for unknown reasons, and with the adde...