
Keeper of the Lost Cities
Crossovers
4
Her New Sea Green Eyes » by
MessyBunGirl221
Sophie wants to know what her eyes really look like, behind the Black Swan, but they're not what she expected, especially when she finds an orange leaping crystal, time travels, and meets two teenagers who look suspiciously like her at Camp Half-Blood. Percy and Annabeth are minding their own business when Percy has a demigod dream, and two odd kids start claiming some weird stuff.
Percy Jackson and the Olympians & Keeper of the Lost Cities, K, English, Fantasy & Family, chapters: 9, words: 4k+, favs: 3, follows: 4, updated: 6/11 published: 6/4, Annabeth C., Percy J., Sophie F., Keefe S.
14
Humans find Elves » by
YessBiana is mostly innactive
Hi! If you're choosing to read this story, and not just seeing the description, thank you! I rated this K plus just in case. I feel like I maybe overrated it.
Percy Jackson and the Olympians & Keeper of the Lost Cities, K+, English, Drama & Humor, chapters: 5, words: 2k+, favs: 4, follows: 3, updated: 3/30 published: 12/9/2024, Annabeth C., Percy J., Sophie F., Keefe S.
2
Three Siblings Separated » by
CeilingFanfiction
Sophie had decided yesterday that she was going to try to teleport to random book series she read when she was living with humans. Mostly, it was to get her mind away from the Neverseen, but she was also curious about what would happen.
Harry Potter & Keeper of the Lost Cities, K+, English, Friendship & Adventure, chapters: 2, words: 801, favs: 1, follows: 1, updated: 1/22 published: 11/5/2024
18
How I Met You Again- a PJO & KotLC Crossover » by
Ellie537
The war with The Neverseen is over for Sophie and her friends. The war with Gaia is won for Percy and the seven. Both groups thought it was over, but what happens when Sophie meets her childhood friend Annabeth Chase? Will they bond again? Find some incredible news? Or even fight a new villain who is trying to take over both worlds? Or maybe all three?
Percy Jackson and the Olympians & Keeper of the Lost Cities, K, English, Fantasy & Friendship, chapters: 59, words: 65k+, favs: 6, follows: 5, updated: 10/2/2024 published: 5/19/2024
2
Collision of Myths » by
Slytherinforever5
Sophie Foster and Percy Jackson both just wanted to have normal lives, or as normal as they could. Nevaeh Vacker just wanted to escape her past and focus on her future. The Fates have other ideas. What'll happen? Full description inside. Disclaimer: I don't own anything but Nevaeh and the plot.
Percy Jackson and the Olympians & Keeper of the Lost Cities, T, English, Romance & Friendship, chapters: 6, words: 13k+, favs: 6, follows: 4, 8/17/2024, Annabeth C., Percy J., OC, Tam S.
6
Shifting Perspectives » by
Kelpie23
It all started with a fight over a gelato container. When the Foster Fan Club snuck to the Forbidden Cities for some gelato, the last thing they expected was to have to fight Miss Peregrine's peculiar children for the last melone flavored gelato. But looking back, they wouldn't change a thing for the world. After all, they may have lost some gelato, but they gained a family.
Miss Peregrine's Home for Peculiar Children & Keeper of the Lost Cities, T, English, Humor, chapters: 12, words: 22k+, favs: 3, follows: 5, updated: 5/28/2024 published: 10/16/2022, [Enoch, Tam S.]
4
A Chance Encounter » by
KommanderKermit
Its summer and Annabeth is looking for unfound demigods in the mortal world, when she stumbles upon an article from a few years ago about a smart girl from San Diego, who disappeared with her parents and sibling. She must find out who she is and if she is a child of Athena.
Percy Jackson and the Olympians & Keeper of the Lost Cities, K+, English, Fantasy & Adventure, chapters: 5, words: 4k+, favs: 7, follows: 5, updated: 5/2/2024 published: 2/13/2024, [Annabeth C., Percy J.] Leo V.
4
Elves Don't Have Blue Food » by
BookDragon1441
Sophie Foster needs Percy Jacksons help whether she knows it or not which is why Hera decides it's time to step in and take matters into her own hands. One day Percy is transported to the lost cities. Will he be able to help Sophie? Disclaimer: I don't own any of these characters. The plot is mine. This is my first time making a fanfic. Tell me what you think!
Keeper of the Lost Cities & Percy Jackson and the Olympians, T, English, Adventure & Fantasy, chapters: 3, words: 1k+, favs: 11, follows: 12, updated: 2/13/2024 published: 1/9/2024, Sophie F., Percy J., Silveny, Hera
THE PORTAL TO AVALON » by
SunooFan20
pLEASE READ
Harry Potter & Keeper of the Lost Cities, T, English, Horror & Adventure, chapters: 3, words: 3k+, follows: 1, updated: 10/6/2023 published: 10/4/2023, Harry P., Marella R., Linh S.
1
KotLC: Frozen AU » by
TamSongFanGirl
Linh and Tam Song are the prince and princess of Chorlmere. But Linh has a magical secret. Can Linh keep her powers from hurting people? Will Tam help his sister or ever find love?
Keeper of the Lost Cities & Frozen, K+, English, Romance & Family, chapters: 2, words: 1k+, 9/30/2023, Sophie F., Biana V., Linh S., Tam S.
2
Keeper of The Guardian Entities by
Eleanor Asher
Long ago there lived divine entities. Guardian Entities. Their purpose to bless elves with abilties, keeping peace & being worshipped in return. Yet, overtime they faded into a slumber, slowly forgotten by all but a few. But as conspiracy's grew and rivaling rebellions brewed under the corrupt reign of the council, they awoke. They awoke and They chose a champion. Seraphina Foster.
Avengers & Keeper of the Lost Cities, T, English, Fantasy & Adventure, words: 4k+, follows: 1, 6/17/2023, Black Widow/Natasha R., Yelena B., Sophie F., OC
The Magical Life of an Elven Goddess by
Eleanor Asher
Irina Shostakov was many things, an Ex-Assassin, a Superspy, a mortal goddess, a Witch, An Elves best friend, but not an Elf herself. Gods, no. She snorted at the mere thought. But when strange abilities not of magical or divine basis start to be revealed, Irina must face the truth, Perhaps she is an Elf like her best friend, Sophie Foster. An Avengers, PJO, HP & KOTLC crossover.
Harry Potter & Keeper of the Lost Cities, T, English, words: 1k+, favs: 5, follows: 5, 6/4/2023
1
5 Stages of Grief by
Nat14123
This series is a point of view from all the people belonging to these different stories and the 5 stages of grief! Requests are open! Rated K to be safe. Mentions of people wanting revange and killing.
Harry Potter & Keeper of the Lost Cities, K+, English, Tragedy & Hurt/Comfort, words: 987, favs: 1, 4/6/2023, Fitz V., Biana V., Keefe S., Dex D.
3
Teleported and Portals » by
waterlilly18
Hope you guys like the crossover!
Percy Jackson and the Olympians & Keeper of the Lost Cities, K+, English, Humor & Fantasy, chapters: 2, words: 437, favs: 1, follows: 5, updated: 1/8/2023 published: 1/7/2023, Annabeth C., Percy J., Sophie F., Keefe S.
13
KOTLC Book 9 Avengers Style » by
EllietheCreator
Keefe drops into the middle of New York City hours before a huge storm. Clint finds a teenage runaway with no safe place to stay. What happens when the worlds of elves and superhumans collides?
Avengers & Keeper of the Lost Cities, T, English, Hurt/Comfort & Adventure, chapters: 3, words: 5k+, favs: 12, follows: 10, updated: 12/5/2022 published: 8/27/2022, Black Widow/Natasha R., Hawkeye/Clint B., Hulk/Bruce B., Bucky Barnes/Winter Soldier
15
Mystery of the last island » by
Arunika Raghuvanshi
Sophie Foster grew up reading the Percy Jackson books. And now, she gets the opportunity to meet her childhood 'fictional' heroes.
Percy Jackson and the Olympians & Keeper of the Lost Cities, K+, English, Fantasy & Adventure, chapters: 5, words: 11k+, favs: 9, follows: 6, updated: 9/11/2022 published: 1/27/2022, Annabeth C., Percy J., Sophie F., Keefe S.
14
Keeper of the Lost Cities: Hurricane » by
ATOTALMUSICALNERD
After a tragedy during an inter-camp summit, Percy is transported to a strange new world by a crystal. When a strange boy with black hair and blue-green eyes light leaps to a Black Swan hideout, Sophie thinks he's an elf. She and her friends help him realize what he is, and he helps them get Keefe back. But the final battle with the Neverseen is coming, and it won't be easy.
Percy Jackson and the Olympians & Keeper of the Lost Cities, T, English, chapters: 21, words: 31k+, favs: 38, follows: 29, updated: 4/6/2022 published: 3/6/2022, Annabeth C., Percy J., Sophie F., Keefe S.
1
Dimensions Hunger games » by
natureandreading
Different dimensions will be participating in the 74th annual hunger games! Percy Jackson and the demigods, Sophie Foster and the elves, Clary Fray and the shadowhunters, Bella Swan and the vampires, as well as Harry Potter and the wizards and witches will be participating in this mashup hunger games! Get ready to rumble! (First chapter is just character intro.)
Percy Jackson and the Olympians & Keeper of the Lost Cities, T, English, Tragedy & Drama, chapters: 4, words: 5k+, favs: 1, updated: 3/14/2022 published: 1/4/2022
3
For The Honor Of The Moonlark » by
A very obsessed fangirl
She-Ra: Princess of Power. But with KOTLC characters.
Keeper of the Lost Cities & She-Ra and the Princesses of Power, K+, English, Fantasy & Adventure, chapters: 2, words: 3k+, favs: 3, follows: 4, updated: 3/12/2022 published: 3/6/2022
1
Epic AUs by
LightningPIE
AUs from no particular fandoms. KotLC, WoF, Harry Potter, Percy Jackson, Warriors, She-Ra, Fablehaven, Land of Stories
Warriors & Keeper of the Lost Cities, T, English, Humor & Drama, words: 173, follows: 1, 1/7/2022
5
Moontwin, a KOTLC - Percy Jackson crossover fanfiction by
FantasyFic11709
Roxi McChaster isn't a normal elf or demigod. She is both. So when the Neverseen drops Sophie Foster for Roxi, she isn't surprised. After all, she is a better deal than Sophie, right? And so in a turn of events of Roxi's career of StopEvil, she uncovers her past at Camp Half-Blood and turns to her fellow demigods for help to stop the Neverseen in the Lost Cities.
Percy Jackson and the Olympians & Keeper of the Lost Cities, T, English, Fantasy & Adventure, words: 3k+, favs: 6, follows: 8, 7/27/2021
2
Together we rise » by
Keeperofolympus
It's the summer after the war with e Seven, along with Nico and Reyna, have become heroes at both camps. Meanwhile, in the lost cities, Keefe has woken from his coma with no new powers. Or has he? A new prophecy brings the world's of elves and demigods together, in a quest to overcome enemies like they have never faced before.
Keeper of the Lost Cities & Percy Jackson and the Olympians, T, English, Romance & Adventure, chapters: 8, words: 4k+, favs: 3, follows: 4, updated: 6/19/2021 published: 6/13/2021
1
Unlikely Goddess » by
KOTLC3
Emilia thought she was a normal 16-year-old girl. But, one day, she finds out the stories she writes are real and that she is a hundred-trillion-year-old goddess named Albina. Emilia must run from her brother, Timeo, after escaping his prison. And no one would suspect some simple books could hide her. Disclaimer: I own nothing from Harry Potter or Keeper of the Lost Cities.
Keeper of the Lost Cities & Harry Potter, T, English, Fantasy & Adventure, chapters: 13, words: 12k+, favs: 2, follows: 4, updated: 5/18/2021 published: 5/4/2021, Keefe S., Sophie F., Harry P., Hermione G.
2
CREATE POSTERS FOR YOUR STORIES! by
Qwertopia78
I can create posters for your stories; follow the directions inside to get a poster.
Harry Potter & Keeper of the Lost Cities, K, English, words: 66, follows: 1, 1/30/2021
12
Miraculous-A Tale of Keeper of the Lost Cities-Kotlc and MLB Crossover » by
LuvMiraculous
Sophie and Keefe find themselves accidentally travelling to the Miraculous dimension-without knowing that the Neverseen have also come here! How will they defeat them-with the help of Ladybug and Chat Noir? Identities revealed! Sokeefe and Adrienette! Takes place after book 6 and season 2.
Keeper of the Lost Cities & Miraculous: Tales of Ladybug & Cat Noir, K+, English, Drama & Adventure, chapters: 10, words: 9k+, favs: 21, follows: 17, updated: 1/11/2021 published: 10/11/2020, [Sophie F., Keefe S.] [Marinette D-C./Ladybug, Adrien A./Cat Noir]
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