A young girl named Arial discovers she is a halfling. Half witch, half skeleton. This is her story. There will be adventure, horror, and most of all, skeleton puns. Sans and Arial are sister and brother, and the first few chapters will be not that Undertale-y. I will try my best. This is my second fanfic. (other is still in progress also btw). My OC is in the place of Harry.

"Where the fuck are we?" -A quote from Chara

Just my take on a Kirby Undertale AU. I've been thinking about this for a while and have most of it planned out, so chapters will probably come out on a daily basis unless I'm way too busy or I'm not motivated. Feel free to let me know if my writing looks weird or characters don't act right, and I'll probably fix it. Updates on hold because I'm not motivated & I'm busy w/ stuff rn.

/\A Two Kinds x Undertale Crossover/\ On the journey to the Basitin Isles, Trace's voyage is intercepted by a mysterious storm, which was not predicted by Captain Eric's navigator. Hesistant to stray too far off-course, they decide to brave the storm- only to find themselves seeing into another universe. There, they traverse into a world entirely hostile to them...

The Monsters of Mt. Ebott were trapped underground at the end of a war in millennia past, and now that they've been freed, they're walking into another one. Amidst Monster abductions, time travel and a 12 year old in the United Nations, Harry Dresden's expertise as a Wizard is required to help educate them on the workings of the modern magical world. (Dead Beat/Post Barrier)

An interdimensionally lost Touta Konoe jumps down a hole to find something, anything, that might take him home. But instead of an ancient artifact or magical gateway, he finds an adventure, and new friends. Spoilers for up to Chapter 120ish of UQ Holder! and for all of Undertale.

Sans has been killed by Chara once again, except this time when he wakes up he's no longer in the underground. He's in a new world that seems entirely different. A world full of people he has never seen before. What adventure awaits him? What will happen as he travels? And will he make it out alive?

As Sunny says goodbye to Faraway Town, he and his mother move onto Ebott City to start a new life, hoping they can leave behind everything and finally have a happy life. But that's what they thought. Sunny, along with his mother, discovers their new home is a place where humans and monsters co-exist with each other.

Muffet D. Baker, a Spider-Girl in a world where there are pirates, ability-giving fruits, government oppression, and infinite islands must strive and try her hardest to claim the title Queen of The Pirates by finding the treasure that W. D. Gaster left! Collecting crewmates on her voyages, she will make sure that her extinct race may someday flourish. That is her wish as a pirate!

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.

It's been over two years since Frisk fell to the Underground, and was adopted by the Dreemurr family. One of her former foster parents has finally noticed, and come looking for her. Now, if Frisk can't find a way to bring her families together... it might just tear her apart. Book Three of The Underground's Saviour

Ever since Toby Fox made the RPG game know as Undertale 5 years ago, many people made their own versions of it, known as AUs, or Alternate Universes. Here is my AU, which stars a most likely forgotten character from the Pokemon Adventures Manga: Yellow. This is also kind of takes place after a whole bunch of stories that expand on Yellow's character. Hope you enjoy!

One day, the barrier to the outside world sealed them in. An entire civilization living beneath a mountain, cut from the outside world. You are born in the Underground, and then you die in the Underground. (Wait, what game was this supposed to be again?)

"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..

PIXELS quer um final absolutamente perfeito, mas o humano terminou a rota genocida, e ele usa o seu jeito para tornar tudo mais fácil

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.

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.

Fallen into the Underground. A place filled with monsters. A young child has to embark on a dangerous journey getting back to the surface. Luckily they don't have to travel it alone. They meet a very strange, strong (and grumpy) friend who will stand by their side against any threat. Apparently this friend is also a, "plumber"?(Cover image by me.)

Lincoln discovers a legend about a mysterious mountain, he tried to prove to his sisters than the legend is true, but lincoln ends up falling into the underground, will Lincoln ever return?

25 years after the pacifist route today was Firsk’s 25th birthday and Toriel was going to head to the grocery store but she never came back and Firsk was on her way to find her but what she stumble upon was a old wooden workshop that seemed abandoned for centuries...

Harry Ex, adopted son of Mettaton and Papyrus, was happy. He loved his life since being taken from his abusive family. However, when he disappeared from the stage of one of his shows and appeared in the great hall at Hogwarts, he wasn't that surprised. Now he's got to do some dumb tournament? Fine. Harry has D.I.D No bashing of Weasleys or Hermione Includes UT AU's and ships

Frisk Dreemur is entering her second year when all of a sudden, fellow muggle borns are being petrified, and blood messages start appearing on the wall. As muggle born Slytherin, Frisk doesn't know if she is safe or not...

Pooh and his friends begin a whole new adventure, way down in the Underground... (Note: Story will take a Pacifist Route)

Frisk, Chara and Asriel were your typical human and monster children raised by monsters. Until they recieve a letter letting them know they have been accepted in Hogwarts School of Witchcraft and Wizardry!

Dr. W. D. Gaster has been in the Void for years, and has come to terms to the fact that he can't be seen or heard by anyone. But when one broken child can see him, he stays with them, and becomes the one to heal their broken Soul. FemHarry, Fatherly!Gaster, Manip!Dumbles. Please Review!