Another aspect could be the cultural clash. Harry is used to the British wizarding society with its own set of rules and traditions, while Percy is from the American demigod world. Their interactions and how they deal with each other's cultural differences can be really fascinating in fanfiction. Maybe they compare their schools, Hogwarts and Camp Half - Blood, and find similarities and differences between the two educational systems for magic and hero - training.
One interesting crossover could be a magical duel between Harry Potter and Percy Jackson. Harry with his wizard spells and Percy with his water - based powers would make for an epic showdown.
One interesting crossover could be a scenario where the demigods from Percy Jackson's world visit Hogwarts. They might be confused by the magic there as it's different from their own powers. For example, Percy could be intrigued by the way wizards can conjure things out of thin air, while he has to rely on his water - based powers and his sword.
One interesting crossover could be a magical quest where the demigods from Percy Jackson's world team up with the wizards from Harry Potter. For example, they might have to face a common enemy that threatens both the magical and the mythological realms. Maybe they have to find a powerful artifact that has the potential to disrupt the balance of both worlds.
Well, in some fanfictions, they might have to navigate through each other's worlds. For example, Harry could find himself in Camp Half - Blood and have to learn the ways of the demigods while Percy might end up at Hogwarts and try to figure out how to use a wand. There could also be a story where their friends interact, like Ron and Grover becoming friends and causing all sorts of comical situations.
One interesting crossover could be a magical quest where characters from both universes team up. For example, Harry Potter and his friends could join Percy Jackson in a search for a powerful, ancient artifact that has both magical and demigod significance. This would bring together the different magic systems and character abilities from each series.
One interesting crossover could be the use of their powers together. Michael Vey has his electric powers and Percy Jackson has his control over water. Maybe they could combine forces to fight a common enemy like a powerful fire - based monster. It would be a cool display of their unique abilities working in tandem.
One plot point could be Percy using his powers to protect Harry from his abusers. For example, he could create a water shield around Harry when his abusers try to harm him. Another could be Harry teaching Percy some of the magic he knows in return for the protection. This exchange of skills between the two different universes would be really cool.
One interesting crossover could be the combination of the demigod powers from Percy Jackson with the vampire and witch powers in The Originals. For example, a story could have a demigod team up with the Mikaelson family to fight a common enemy that threatens both the world of Greek mythology and the supernatural world of The Originals. This would bring a whole new dynamic as the demigod's abilities like controlling water or having super strength would interact with the vampires' speed and the witches' magic.
One interesting crossover could be a battle scenario where Goku's martial arts skills are pitted against Percy's water - based powers. For example, Goku might use his speed to dodge Percy's water attacks, while Percy could use his strategic thinking to counter Goku's energy blasts. Another could be a story where they have to team up to face a common enemy, like a powerful god from both of their universes who has gone rogue. They would have to learn to combine their powers and overcome their differences in fighting styles and personalities.
One interesting crossover could be the demigods from Percy Jackson meeting the vampires in Twilight. Maybe they would team up to fight a common enemy, like a new type of monster that combines the powers of Greek mythology and the supernatural elements of Twilight. For example, a creature that can turn into a mist like a vampire but also has the ability to control the elements like a demigod.
One interesting crossover could be the characters from Percy Jackson ending up in Middle - earth from The Hobbit. For example, Percy using his water powers in the rivers of Middle - earth. It would be a cool way to see how his abilities interact with the new environment.