Seaweed Brain (and crossovers)
21 stories
The Demigod That Was Promised by Pythagoras1227
Pythagoras1227
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The Triumvirate has fallen. Only Emperor Nero remained. All the demigod forces and their allies united and crushed the new enemy, but at a loss. Percy Jackson is lost. Percy on the other hand, finds himself in the Haunted Forest beyond the Wall. To a powerful demigod from the 21st century, with a fatal flaw made even more fatal in this harsh unforgiving world, he must survive and try to find a way back ... if a way back even exists. Credits to the original author on ao3 :)
The Legend of Percy: Book 1 - Finding Purpose by LookingUpToTheStars
LookingUpToTheStars
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Percy lands in the world of Avatar the Last Airbender. With no Annabeth to help him and a lot going on around, will Percy cope? Might he cause or prevent big things from occurring? This is post Heroes of Olympus Percy Jackson and picks up at the beginning of Return to Omashu. *Ages have been changed somewhat* Highest Ranking: #1 in percyjackson (I don't know how!), crossover, avatar, azula, tylee, mai, atla, toph, katara, zuko and avatarthelastairbender #2 in sokka #3 in comfort
Allure: Breath of Water  by DarlingTodoroki
DarlingTodoroki
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Mystic Falls is your typical small town. At least at first drive through. But to those who live there it's home. To the founding families, it's a history they want to burry to the deep depths of hell. And to the new girl? Well she's about to figure out that small towns are never just typical. Elena Gilbert has lived in Mystic Falls all her life. She knew it like the back of her hand. Even now when she's feeling the most lost her home might just give her some direction. It just might be more on the supernatural side than she thought. Persephone Jackson is a living myth. She's half -god and half-human. She's a warrior. She's a girl with a broken heart that's just trying to get through high school while doing a favor for the all mighty gods. But it seems like the small town she just moved into might be more of a headache than said gods told her so. Elena just wants her normal to be normal again. Perse doesn't want anymore scars. Just a change in scenery. But fate is never kind. Fate doesn't care for either of their wants. Elena and her loved ones won't be able to get by with just bruises anymore. And Perse's heart might just leave her empty. ** Cover was created by @chessurK **
We're Not Dead Yet (Split Souls part 2) by MarshmalowMilkshake
MarshmalowMilkshake
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Part 2 in the Split Souls series. Check out part 1, Before I Die, first! With the new prophecy issued, the Avengers, demigods and gods have another trial on their hands, and it isn't just getting along. "The future reveals of a god reborn, The falsely accused is not to scorn; A mad foe schemes of a dark crusade, Vacant heart when the price is paid; The Fates entwine as our worlds align, All prepare for a new design; For if all are to stand alone, Carve upon the resting stone; Far beyond the gift of dreams, The end is not where it seems." ~~~~~~ Current word count is 81,107 as of chapter 33 ~~~~~~ Rights to Marvel and Rick Riordan Cover by @ShipCanons Only the plot is mine
Do Not Go Gentle by theallylayne
theallylayne
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Persephone Jackson has survived two wars and quite frankly she didn't want to deal with another one. However, when the gods inform her about the tensions brewing in Middle Earth, the girl with nothing left to lose finds herself in a new world with a new prophecy on her hands. Percy Jackson and the Olympians/Lord of the Rings Crossover Fem! Percy Jackson Meets Middle Earth Fem!Percy/? Book 1: Do Not Go Gentle Book 2: Into That Good Night
Son Of Nick Fury (Percy Jackson x Avengers) by BrodyCrimson
BrodyCrimson
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Percy Jackson fanfiction, Son of Fury. When Percy returned from his first quest, he came home to find his mom had been murdered by Gabe. (sorry, I still love Sally!) He was taken to an orphanage but met a certain man in the park who happened to be Nick Fury. Now living together, the pair get along well. Nick suspects things about Percy. Percy goes on quests and returns after the Labyrinth with the courage to tell Nick who he really is. Years later Percy returns from the Giant War with a few emotional scars more than he expected. He couldn't save them, not any campers, not even the 7. His Wise Girl died. Nick had issues going on at work and needed Percy to be kept somewhere safe since their house was destroyed. He sends Percy to live with the Avengers in Stark Towers. With Leo missing, Nico goes looking for him and isn't found for a while. Percy struggles with his flashbacks and memories. He goes to school and ignores the Avengers. -Original 6 Avengers but Thor is going to come in later on. (And Wanda, sometimes Vision) -Let's say Peter is an Avenger-in-training. -I know the events are out of order, but it has to be for the plot to work. -Percy is almost 17 but he will be in the same year/grade at Peter during school for reasons. Ranked 1st in percyjackson (23/10/2019) Ranked 2nd in crossover (23/10/2019) Ranked 3rd in leovaldez (23/10/2019)
Persephone Jackson. (Mystic Falls) Rewritten!!! by chocolex122
chocolex122
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Persephone Jackson is tired. Physically she's alright but mentally is a different story. Plagued by nightmares of her time at camp halfblood Sally believes that Percy needs a change. So packing up her things Percy makes her to Mystic Falls Virginia a small town where things are pretty simple. But simple is a word foreign to Mystic Falls tongue, and like she was once told she a hotspot for trouble. Just remember Percy doesn't find trouble. Trouble finds Percy. ~~~~~~~~~ Hey everyone! I adopted this story from @jazlynlouise. And I'm excited to continue the story she played out so far. So I hope that this does the story justice. (Klaus Mikaelson.) REWRITTEN / DISCONTINUED!!!!
The Guardians and their doors.  by Irisofthewaters
Irisofthewaters
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Sequel to Mortals meet the god Perseus. Reunited with some, separated from others, the guardians are trapped in an alternate dimension where they must "nudge" things along without anyone finding out that they aren't exactly natives. Someone duct tape Leo to a tree, please.
Before I Die (Split Souls part 1) by MarshmalowMilkshake
MarshmalowMilkshake
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With Sally and Paul missing, Percy learns that he has a mortal uncle. Tony Stark was not expecting to find that he had a nephew; nor that said nephew was a terrorist, according to SHIELD. What side is he to choose, his work- with the Avengers(with SHIELD), or this boy- his chance at having a family? Likewise, the Avengers are also surprised. Percy is keeping secrets, and they don't know if they can trust him. Is he dangerous? Or could he become part of their ragtag family? Perhaps both? How will Percy handle all the things that are getting thrown at him? Will he manage to stay himself through it all? ~~~~~~~~~~~~~~~~ Current word count is 122,856(as of chapter 55) ~~~~~~~~~~~~~~~~ Most Impressive Ranking: #1 in percyjackson September 28th, 2019 #1 in thor June 5th, 2019 #1 in avengers June 9th, 2019 #1 in crossover August 10th, 2019 #1 in nicodiangelo August 24th, 2019 ~~~~~excerpts~~~~~ "Brother, what if the other gods learn of this?" "They will fear him. They will fear him in a way that only cowards can fear someone weaker than them." ~~~~~~~~~~~~~~~~~~~~ "Okay. So, what are you gonna do?" "You will just have to wait and see, little cousin." She says. "You are really tall for a girl, but I'm still taller." I reply. "I'm older." "You were a tree!" "Still older." "You stopped aging just before you turned 16. I'm seventeen." I argue. "And I haven't had my years messed with." "If I hadn't had my years messed with, I'd be twenty-one." She smirks. "If we go by dates, then Nico is the oldest." I comment. She stops walking for a minute. "No. No, he's little. He's little cousin." "Then so are you." I smirk. She glares at me. "Agree to disagree, Kelp head. C'mon, we've got stuff to do." ~~~~~~~~~~~~~~~~~~~~ I do not own the characters, they belong to Marvel and Rick Riordan. Cover is made by @ShipCanons However, the plot this fanfic takes is TOTALLY mine and I'm proud. Chapters average at just over 2,000 words each.
The Day Mortals Met The God Perseus by Irisofthewaters
Irisofthewaters
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Its been 57 years since Thalia was made Immortal. Its been 50 years since Percy was made a god. He serves as the God of Heros and Rivers. its been 43 Years since Nico became his Father's Immortal heir. its been 40 years since Annabeth Chase was killed by a dracena. Now Shield has noticed the yearly apperence of three teenagers who never seems to age. So Fury assembles the Avengers. Do not copy to another site. I'm doing this for fun. All rights reserved. Don't expect scheduled updates. Ill update if I feel like it.