525 Empire of Dirt » by sweets10 Following the Battle for Manhatten, nearly all of Percy's closest friends are dead. Grieving and left as the last Greek hero in New York, Percy is confronted by two goddesses who desperately need his help. Miles away, a young wizard is inching closer to the end of the prophecy that has defined his entire life...the only problem is that he doesn't know it yet. AU.
Harry Potter & Percy Jackson and the Olympians, M, English, Adventure & Romance, chapters: 31, words: 234k+, favs: 1k+, follows: 1k+, updated: 10/23/2020 published: 9/12/2017, [Daphne G., Percy J.] [Harry P., Tracey D.]
23 He Says He Loves Me » by reflectionsofalex In all honesty, the pain should mean nothing, right? Every moment of suffering saved countless lives, so Sans should have no reason to complain, right? His father was doing this out of love… right? Human au. Trigger warnings posted as needed.
Undertale, T, English, Hurt/Comfort & Family, chapters: 15, words: 33k+, favs: 27, follows: 18, updated: 8/12/2019 published: 1/1/2019, [Sans, Grillby] Papyrus, Gaster
11 Stranded (A Deltarune Fanfic) » by Greg Jonson Kris is alone. And to make things even worse, as he struggles to find friendship and understanding with the people around him, something odd begins to happen inside his head. Which voice will he listen to? / This work of fiction aims to connect the worlds of Undertale and Deltarune. Rated T for the topic of depression and other mental issues. / This story will remain unfinished.
Undertale & Deltarune, T, English, Friendship & Mystery, chapters: 4, words: 9k+, favs: 10, follows: 11, updated: 5/7/2019 published: 1/18/2019, Sans, Kris Dreemurr, Susie
793 You're a Wizard, Percy? » by Hylian Mage Percy Jackson, ordinary, unassuming, grandson to the most powerful Dark Wizard that ever lived! Follow Percy as he attends Hogwarts School of Witchcraft and Wizardy, where alliances will be made, relationships developed, and familial ties are revealed.
Harry Potter & Percy Jackson and the Olympians, K+, English, Adventure & Humor, chapters: 20, words: 131k+, favs: 1k+, follows: 1k+, updated: 4/16/2019 published: 10/23/2014, Harry P., Draco M., Percy J., Sally J.
8Just a Flickering Flame » by Cethulu The biggest things in life often start with little ceremony. That's not the case for a certain skeleton in the underground, where chaos seems to breed chaos at every step. (formally titled 'Numbers')
Undertale, T, English, Family & Hurt/Comfort, chapters: 18, words: 84k+, favs: 11, follows: 14, updated: 2/13/2019 published: 12/9/2018, Papyrus, Sans, Gaster
4 Unexpected Encounter » by blazedveggies556 You've been finished with Undertale for a while now. You've only done one run, the Pacifist run. And you'd like to keep it that way. Everything ended so nicely, why would you want to undo it? But... why do you keep opening the game? How many times have you looked back? During one of these times, a certain someone greets you with these exact questions...
Undertale, K+, English, Fantasy & Hurt/Comfort, chapters: 2, words: 733, favs: 10, follows: 4, updated: 1/20/2019 published: 1/3/2019, Flowey
3 i'm not sick by Cethulu when all you have for company is an overbearing big little brother and four walls, something's going to break. This is based off an au, please please please read the author's note.
Undertale, T, English, Horror & Angst, words: 3k+, favs: 6, follows: 2, 1/14/2019, Papyrus, Sans
2 A Simple Chat by blazedveggies556 (Based on the fangame "dont forget")It's great being you right now. You just earned a victory as none other than the Great Papyrus! This calls for a celebration. Maybe you'll splurge a little and get yourself more than just one healing item this time. You definitely earned it. *gasp* And who's this that you see in the corner at Grillby's? Oh, you gotta have a conversation with him!
Undertale, K+, English, Fantasy & Friendship, words: 1k+, favs: 2, follows: 2, 1/10/2019, Papyrus, Sans
4 Dissemination » by Cethulu Everyone reaches a breaking point, and when things break they are changed irreparably. But sometimes enough superglue can make them kinda work again. Mostly. (a chara!sans fic. no ships, although soriel if you have your ship goggles on when they interact... maybe. Now, finally complete.)
Undertale, T, English, Friendship & Hurt/Comfort, chapters: 12, words: 38k+, favs: 10, follows: 7, updated: 12/4/2018 published: 11/19/2018, Frisk, Sans, Chara
11 Numbers Game by coincidencless At long last, the rest of the world was free!
Deltarune, T, English, Fantasy, words: 3k+, favs: 31, follows: 10, 11/25/2018, Jevil, Seam
14 I See You There by TheArchimage (Deltarune) Kris is usually a little weird, but even they think they're being especially out of character today. Is it just their imagination, or...?
Deltarune, T, English, Angst, words: 2k+, favs: 37, follows: 19, 11/9/2018, Kris Dreemurr
4 its only you by necroeffect You let yourself feel a swell of relief. It was over.
Deltarune, K+, English, Angst, words: 549, favs: 13, follows: 7, 11/9/2018
101 Heroes of BAG » by aspiringarchitect Everything was normal for Sadie Kane after fighting Apophis until the first day of school, when a new student throws her school life completely off. Piper is starting a new school that finally she and her father both approve of.
Percy Jackson and the Olympians & Kane Chronicles, T, English, Fantasy, chapters: 8, words: 10k+, favs: 82, follows: 130, updated: 7/4/2018 published: 3/18/2017
240 The Order of the Gods » by aspiringarchitect Dumbledore has specifically asked for Percy and Annabeth's help protecting the Golden Trio. Join your favourite characters as they battle villains such as Umbridge, detention, and maybe some monsters. Story rated T.
Harry Potter & Percy Jackson and the Olympians, T, English, Fantasy, chapters: 24, words: 27k+, favs: 285, follows: 411, updated: 3/14/2018 published: 1/2/2017
327 Unexpected Relations: Convergence » by The rational kiwi Percy hadn't expected to have family outside of his freaky godly relatives. Harry hadn't expected to have family that accepted him for who and what he was. They were both wrong. Also, there is a murderer on the run.
Harry Potter & Percy Jackson and the Olympians, T, English, chapters: 11, words: 106k+, favs: 1k+, follows: 1k+, updated: 1/18/2018 published: 7/31/2016, Harry P., Sirius B., Percy J., Sally J.
64 Trust » by KeetahSpacecat There has been strange reports in Snowdin. Reports of small skeleton children. Reports of strange small skeletal creatures. All Grillby knows is that someone...or something...has been raiding his trashcans at night. He intends to find out who they are, and perhaps if they allow it, to help them. Gasterblaster AU Babyblaster AU Babybones AU. Mirrored from AO3/Tumblr
Undertale, T, English, Hurt/Comfort & Family, chapters: 14, words: 75k+, favs: 188, follows: 135, updated: 1/16/2018 published: 3/6/2017, Papyrus, Sans, Grillby, Gaster
2 The Skeleton Mambo by TheArchimage When Sans' popularity and laziness combine to land him in trouble it's up to Papyrus to save the day. But despite his best intentions is he only going to make things worse?
Undertale, T, English, Humor & Family, words: 4k+, favs: 8, follows: 4, 10/1/2017
141 The Change » by Thingygazinga Percy Jackson is sent to Hogwarts, his presence perhaps changing more than anybody can ever imagine. But first, he has to deal with keeping his identity secret (pretty impossible) and protecting the one and only golden boy.
Harry Potter & Percy Jackson and the Olympians, K+, English, Drama & Adventure, chapters: 22, words: 29k+, favs: 201, follows: 195, updated: 7/17/2017 published: 12/28/2015, Harry P., Ron W., Hermione G., Percy J.
447Elysium » by The Shadow of the Wolf Percy Jackson had a rough life, full of sorrow and pain. But now, as lead singer-songwriter and guitarist of the world famous band Elysium, he has it all. And he doesn't want any of it. But what happens to the troubled star when ghosts from a painful past start to reappear? With he be able to survive, or will the memories drag him back to the abyss he barely pulled himself out of?
Percy Jackson and the Olympians, T, English, Hurt/Comfort & Romance, chapters: 19, words: 35k+, favs: 417, follows: 449, updated: 7/16/2017 published: 2/19/2014, Nico A., Percy J., Zoë N., Jason G.
8 Grillby's by SimonKilnsworth Where do the monsters of Snowdin go when they've finished with work, when they meet up with friends, when they need to forget about their sadness, when anything needs to be celebrated, or when they're simply craving a bite to eat? They go to Grillby's. But it wasn't always this way, and one monster visiting home for the first time in a long time doesn't quite understand why it is.
Undertale, T, English, Family & Friendship, words: 5k+, favs: 10, follows: 2, 7/2/2017, Grillby