Gabriel could be an exchange student from a far - flung wizarding school. He brings with him a different style of magic. Harry Potter is both curious and cautious about him. As they study together, they find out that a series of strange magical occurrences around Hogwarts are related to a curse from Gabriel's home school. Together, they try to break the curse while also learning about the cultural differences in magic, which enriches their own magical understanding.
One idea could be that Gabriel, with her angelic powers, somehow gets transported to the Naruto universe. She could meet Naruto and be intrigued by his never - give - up attitude. Maybe she decides to help him in his quest to become Hokage, using her unique abilities like healing or protection magic. Another plot could involve a common enemy that both Naruto and Gabriel have to face together, which forces them to combine their different fighting styles.
He might be an old friend of Harry's parents who was thought to be dead. But he resurfaces and has a lot of knowledge about James and Lily Potter that he shares with Harry. This knowledge could help Harry in his fight against the remaining dark forces in the wizarding world.
Another plot idea is that some of the characters from Harry Potter, like Hermione, are transported to Narnia. There, they meet Aslan and learn about his world. Meanwhile, Aslan could send some of his Narnian creatures to the wizarding world to help Harry and his friends in their fight against the dark forces. This exchange of cultures and magics could create a really engaging story.
One idea could be that Peter Parker gets magically transported to the wizarding world. He could use his Spidey - sense to detect dark magic or danger in Hogwarts. Maybe he teams up with Harry Potter to stop a new villain who is using both magic and advanced technology to cause chaos.
One idea could be that the main character from Reborn is reborn into the Harry Potter world as a wizard with his unique skills. He could use his combat abilities from Reborn to face the dark wizards in the wizarding world. Another could be that a character from Harry Potter gets reborn in the Reborn universe and has to adapt to the different rules and powers there.
Perhaps there could be a situation where the boundaries between the wizarding world and the world of Greek gods start to break down. Harry and Percy find themselves in a strange new world that is a mix of Hogwarts and Camp Half - Blood. They must figure out how to restore the boundaries while also dealing with the internal politics of both worlds. There could be some interesting character interactions, like Hermione trying to understand the Greek mythology and Annabeth being fascinated by the magic spells.
One idea could be that Jacob, with his werewolf abilities, somehow gets transported to the wizarding world of Harry Potter. He could team up with Harry and his friends to fight against a new dark force that combines the magic of the wizarding world with some sort of werewolf - related dark magic. For example, a group of dark wizards might be trying to use werewolf blood to create a new and powerful form of dark spellcasting.
One idea could be that Harry discovers a hidden portal that leads him to the Twilight world where he meets Alice Cullen. They then team up to fight a new dark force that is threatening both their worlds.
One idea could be a crossover where Luffy and his crew end up in the wizarding world. Maybe they're searching for a magical treasure that's said to grant any wish, and they team up with Harry Potter and his friends to find it. They could use their Devil Fruit powers and wizardry together in battles against dark wizards who also want the treasure.
Well, you could have a fanfic where Voldemort uses DND - style dark magic to open portals to other dimensions. The Order of the Phoenix has to quickly learn DND - style combat and magic rules to fight off the new threats that come through these portals. Harry could be sent on a special mission to find a DND - style mage who can teach them the counter - spells. Meanwhile, the Death Eaters are also trying to master this new form of magic for their own evil purposes. This would create a really exciting and unique story.