Perhaps Percy gets a strange magical summons to Hogwarts, and there he meets Harry. They figure out they're cousins. They then start to explore their family history together. Along the way, they realize that an ancient evil has been targeting their family for generations and they must use both magic and demigod powers to stop it. They also have to deal with the cultural differences between the two worlds, like Percy being used to the more physical and outdoorsy battles while Harry is more accustomed to spell - casting duels.
A plot could be that a prophecy reveals their connection. They start to communicate and share their knowledge of magic. When a powerful dark force starts to steal magic from both worlds, they join forces. Percy brings his friends from Camp Half - Blood, and Harry brings his Hogwarts pals. Together, they embark on a quest to find the source of this dark magic. Along the journey, they learn more about their family ties, and how their combined powers are the key to saving both worlds. They face challenges like magical mazes, enchanted creatures, and powerful spells that test their newfound alliance.
Yes, there are likely fanfictions out there with such a concept. Fanfiction writers often like to create crossovers between different popular universes like Percy Jackson and Harry Potter. It's a fun way to combine the magic of Hogwarts with the demigod world of Percy Jackson.
A really interesting plot could be that there is a prophecy in both worlds that only when Harry and Percy, as cousins, combine their powers can they defeat an ultimate evil. This evil could be something that has been lurking in the shadows of both universes, waiting for the right moment to strike. As they try to fulfill the prophecy, they have to learn about each other's powers and cultures. Harry would learn about the Greek gods and Percy would learn about magic spells. Along the way, they might face internal conflicts within their own communities who are skeptical or even against this union of the two different worlds.
A possible plot could be that a powerful Godlingg artifact is discovered that has the potential to destroy both the wizarding world of Harry Potter and the demigod world of Percy Jackson. Harry and Percy, along with their friends, must race against time to find and secure the artifact before it falls into the wrong hands.
Well, if Harry Potter is reborn as Percy Jackson, perhaps his relationship with the gods would be unique. Since he has experience with a different kind of magic system, he might question the Greek gods' ways more. He could try to introduce some of the more organized aspects of the wizarding world, like the Ministry of Magic's rule - making, to the rather chaotic world of the demigods.
Yes, there are likely some fanfictions out there with this concept. The Percy Jackson and Harry Potter universes are both very popular, and fans often like to cross - over characters in interesting ways, such as making Percy and Harry cousins. You can try searching on fanfiction websites like Archive of Our Own or FanFiction.net to find such stories.
One interesting storyline could be Percy and Harry teaming up to fight a common magical enemy that threatens both the wizarding world and the demigod world. Maybe it's a dark wizard who has somehow harnessed the power of the Greek monsters. Another could be Percy visiting Hogwarts and getting into all sorts of trouble because he doesn't understand the wizarding rules. For example, he might accidentally use his powers in front of Muggles - like if he tries to control water to put out a fire he caused, not realizing there are spells for that in the wizarding world.
One interesting plot could be that the magical worlds of Hogwarts and Camp Half - Blood somehow merge. Harry Potter and his friends find themselves in the world of Percy Jackson, facing off against mythological creatures they've never seen before. Maybe they have to work together to stop a common enemy that threatens both their worlds, like an ancient dark magic that is starting to corrupt the gods and the wizards alike.
In the context of fanfiction, if Harry Potter is Percy Jackson's cousin, it might involve a crossover of the magic systems. Harry's world has wizards, magic wands, and spells like the Patronus Charm. Percy's world has demigods, with powers related to their godly parents. A possible way for them to be cousins could be through some ancient magic or prophecy that ties the wizarding world and the world of Greek gods together. Maybe there was a wizard in the past who had a connection with a demigod, and over generations, this led to Harry and Percy being related.
Well, in such a fanfiction, there could be a lot of exploration of family history. How did their families get separated? What kind of family secrets are there? Also, their different powers could lead to some interesting interactions. For instance, Percy's ability to control water could be used in combination with Harry's magic in a battle. And perhaps they'd have to deal with the reactions of their friends in their respective worlds who are skeptical or even jealous of their new - found family connection. It could also involve a journey to find out more about their shared heritage, which could take them to new and exciting places in both the magical and demigod realms.
The demigod world and the wizarding world would interact in some really wild ways. For example, the magic in Hogwarts might have an effect on Percy's powers. Maybe the protective spells around Hogwarts could make his water - controlling abilities act up. Also, the wizards would be fascinated by the demigod weapons like Percy's sword, Riptide. It's a weapon that can turn into a pen, which is something completely foreign to the wizarding world.