Here we are we made it. The Underleague, the most difficult challenge for any pokemon champion out there. 8 Gyms, 4 Elite members, 1 ultimate pokemon master. Their latest opponent? A...ten year old kid, without a license and and little eevee...Um is-is this normal? Oh, so your Frisk and you literally fell down here? Well in order to get out you have to go through the league. Sorry

Harry is abandoned on Mt. Ebott by his aunt. Toriel left her husband after their two children died. Alone, they are broken and lost souls. Together, they are a family. (A Toriel raises Harry fanfic.)

After leaving BC Freedom Academy because of it's toxicity, Andou had to find a new answer to the troublesome necessity of finding herself a highschool. And what place could be the answer if not ambitious highschool far away south with talented students, questionably powerful leader and new Sensha-do team being created from leftovers? (AU after Das Finale)

For so very long, he's been forced to fight to stay alive and to gain power. But when Vergil arrives upon a society of demons who challenge him in contests of strength and character, he must learn to see beyond the surface of their beings. And eventually, see himself for who he really is. "I need... More power."

A mysterious space pod crashes into Mt. Ark, containing a black hedgehog with no recollection of his past. It is up to Shadow to figure out the tale of the mobians and choose a path, This is a UT AU.

a couple weeks after the continent warped into their realty the throupel were spending their time before they left . now with a war on their hands they set out with the 2 stand users who warped into their world Okusayu and Josuke to explore this continent.( mainly undertale but mlp , Jojos bizarre adventures, fallout) ( art by /users/w3ndig0

The Underground had seen an incalculable number of resets. Frisk, Sans and Flowey are tired of each reset, but in one reset, two new people fall into the Underground. Will these two break the cycle or will they become a part of it?

Jaune Arc climbed a mountain outside his home village. He fell into the famed mountain. Now he needs to find a way out. But things are rarely easy, so he has to take on an odd gauntlet within Mount Ebott. Monsters aren't always Grimm, and not always bad either. All he can do now... is remained Determined.

Sans has gotten himself stuck in the void between worlds in a successful attempt to stop the resets of his timeline. He's not sure how long he's been chillin' alone there, but eventually a chance at escape stumbles his way in from the Veil of Death. His name?—Sirius Black. (no pairings)

What if Frisk from Undertale went to the world of One Piece? See what happens as Frisk goes on a new adventure!

Stories speak of a mountain where children have gone and never returned, unknown of the mystery which lies within it. Now history repeats itself as a child falls but with a twist as another joins...and to think a mild stroll got him into something thought of as fairy tales.

This sotory has unintentional duaguise vore, Napolean Bonapaet speaking english ,mental issues, crowdfunded warships, dark but not evil Peter Griffin, plastic guns, santaclause , hewvyjanded shipping, Apollo Justice, emotioanl truama from DDLC (this was written in 2019.),and sasquaches brutal death. AND DOCTOR CHIEMRA!

La vie de Léa change du tout au tout quand des monstres surgissent de nulle part pour l'attaquer et qu'elle se retrouve contrainte de vivre dans une académie loin des humains.

For ages, the Void godness has to sit and see how her multiverse was fill and filled by AUs of her Universe, Undertale, she hated them at first, but now all her hate fall in their creator, Fate's spawn, Ink. Meanwhile, in another Multiverse, other Void God makes a deal with the ruler of Hallownest.

Those who would tamper with fate will meet one beyond their hopes and despair. Those who would seek to make a better world will always have the misfortune of never living within it. Some might not have a choice, however. A choice to live a happy life. A choice to tamper with fate. Or a choice to destroy the world. Not all are fortunate enough to choose their fates.

During the absolute genocide run, Sans killed the human. Instead of letting their soul shatters, he took the shards and absorbed it. After absorbing the soul, he turned into a human and absorbed the other 7 to break the barrier. He then found himself in an anime-ish world. Now, he must fight against a darkness that lingers in this world. Finally, the art is not mine.

Fredbear had been through a lot in the underground, and now Springbonnie is no longer the person he once knew... but Fredbear learns there's a monster that can help.

"This was never meant to happen, you should have just brought them back." Player said as he went to delete her , but then something caught his eye. The Monika lover smiled as he looked at the Heart. "Maybe you can still learn." He moved her file over to UNDERTALE and opened it's files. He was finding a spot to put her, hovering over Frisk's. Then the lightning struck them..

in this tale madoka falls down into the underground and has the power to save and reset and each time she does someone else is with her and monsters do not want to fight her ( M for future chapters )

When a hiking accident sends Frisk to the depths of Mount Ebott, he's forced to adapt to his new surroundings. Meanwhile a restless prince seeks for adventure...and a new visitor just might provide the means to fulfill his cravings.

Naofumi ends up in the Underground with no idea how he got there or what he was trying to do before that. What will he do in a world where the monsters are trapped and the key to their freedom is taking his soul?

A Nation, left with it's King dead. A Village, with a pariah about to be tried. A Child, desperate for love. And a Queen, longing for children. I wonder... what do these have in common?

What if Mt.Ebbot was in Inkwell Isle 3

Frisk succeeded in freeing the Underground from the Barrier, and all is freed back to Tamriel... too much they see is wrecked with strife from the Thalmor, and now a Dragon Menace. Teamed up with Jin, a former Soldier of the Imperial Empire, and the fated Dragonborn, they all travel to stop the Dragon Meance, and the Thalmor in a unlikely alliance. (Pairings Undecided)

Frisk and Susie are left reeling from their adventures in the Dark World, but there's no time to take a deep breath. As the Knight blows another fountain open, Frisk and Susie, along with little sister Tina, Berdly and Noelle, must seal it and stop an "evil" queen from taking over. And who is the man beckoning from Frisk's dreams, the one who speaks in hands?(MAJOR UPDATE TO Ch 13)