Percy Jackson / Harry Potter Crossover
115 stories
Percy Jackson-The Grandson of Voldemort by Book_The_Worm
Book_The_Worm
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Percy Jackson has always been different. Even by demigod standards. He had normal demigod problems...dyslexia, ADHD, and monsters. He had normal problems. Bad grades, getting into trouble at school, that kind of stuff. But he was also the son of Poseidon, the subject of two Great Prophecies, the Hero and Savior of Olympus, one of the only living beings...gods included, to survive Tartarus, one of the only demigods to bathe in the Styx, and one of the only beings that ever held the sky. All that makes him different. But now, he was about to delve further into abnormality, when he finds out he has another evil grandfather. This time it isn't an evil, immortal, all powerful Titan Lord that likes eating his kids...just a powerful, evil noseless creep with a freakish, yet hilarious name that somehow makes people flinch. And now, Perseus Jackson, the son of Poseidon, is about to go on his strangest adventure yet...going to Hogwarts School of Magic. Yet another tragically hilarious name. (Look, I know there are a lot of these and it's pretty classic, cliche, and slightly overused, but I promise you readers that this story does not fit into that mold. Give it a shot, and see how it goes. But if anyone steals my plot...I'll feed you to my pet Hellhound :). )
Soulmates (PJO/HOO AU) by _bookworm_nicole_
_bookworm_nicole_
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Our favorite Characters from PJO and HOO go to Goode High School. In this world there are soulmates and you get tattoos that depicts something your soulmate likes or is passionate about, when your soulmate's interests change so does their tattoo. Your tattoo will glow when you have true love's kiss to show that you have found your "soulmate for life". After you get your soulmate tattoo all the scars you get your soulmate does too. With lots of drama they might find their soulmate . . Very mild cursing is in this story so this is a warning for some people who don't like cursing. (A/N: bro, this is under deep reconstruction. Once this story is finished I'm going to go back and fix it. I don't recommend reading before it's fixed. I warned you. Read at your risk but just know that I gave you a heads up.)
Unite by jasminebauer7
jasminebauer7
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Buying Christmas presents at the mall. Completely normal right? Wrong. I know what you're asking. How can shopping go wrong? For Percy Jackson, Leo Valdez and Piper McLean, everything can go wrong. When the three demigods go gift shopping, they end up being chased, attacked, and captured by a group of heroes called the Avengers. This is an Avengers/Percy Jackson crossover. If you like this, you should read my other one. It is called 'BROKEN'.
Three Hallows'  Eve || Harmione & Jily by amidland
amidland
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The Potters survive the events of Halloween 1981 and Tom Riddle doesn't. As a result, Harry Potter is raised by his parents, but shoulders a burden unlike any other. How drastically is the course of his life changed? Pre-Harry x Hermione. James and Lily Potter Live.
Awakening || Harry & Hermione by Sweet-Shireen
Sweet-Shireen
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Fully illustrated! After his name came out of the Goblet of Fire, Harry woke to a disturbing reality. The wizarding world only saw him as an expendable pawn, his carefree attitude towards studying left him struggling to survive, and he had never truly appreciated the one, constant companion at his side-Hermione Granger. It was high time for change. Harry/Hermione ( Harmione ) Fully illustrated by Arishatistic.
The Older Brother by RattletheStars101
RattletheStars101
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What if Harry Potter had a older brother and he is Percy Jackson? But when Percy was 12 he was taken toCamp Half-Blood to train and be protected and he only sees his brother like once every year but he has't seen Harry in almost three years when he gets a owl asking for help in the wizarding war None of these characters belongs to me all the Harry Potter ones belong to J.K Rowling and the Percy Jackson ones belong to Rick Riordan Also the cover does not belong to me I found it online
Percy Jackson: The hunted (PJO/Avengers crossover) by CC_May
CC_May
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After the war with Gaea Percy just wants to be left alone and have nothing to do with the gods ever again. Why? You will have to find out...... Meanwhile Nick Fury is well, furious. He can't find anything on a certain young adult and wants to find him. Finally, he catches sight of the mysterious man and sends the Avengers after him. What will happen? This is my first PJO and Avengers crossover so please dont hate and if you have any suggestions i would be grateful. Thanks!
Hogwart's Professor by night_bat_
night_bat_
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Book 2 What happens when Percy Jackson declares himself neutral? His only goal is to protect the students of Hogwarts and he swears as much, but can he keep his oath?
A Magical Summer by jacket1000
jacket1000
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The Jackson-Blofis family visits Sally's cousin Petunia Dursley. They meet the Petunia, her husband Vernon, their angel of a son Dudley and their delinquent nephew Harry Potter.
Percy Jackson, The Heir of Slytherin by darkarchangel2
darkarchangel2
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Perseus Jackson, or, Percy Jackson. The name most monsters and demigods have heard of. The two time savior of Olympus, the destroyer of Kronos, and many other heroic deeds. But what if Percy was a child of Poseidon.... and the grandson of Lord Voldemort? One day, Percy gets summoned home from Camp Half Blood and his mother tells him that two strangely dressed people were here to see him. To take him to meet his grandfather that Percy had never known had existed until this very day. What's the harm of bringing a Grandson of Voldemort to Hogwarts? >I wrote this when I was twelve. Please don't expect much.< Completed 5/3/18