Who would be the most interesting character to summon from Harry Potter into One Piece in a fanfiction?

Nami and Ginny would be an interesting match. Nami's love for money and Ginny's fiery spirit could lead to some great interactions. Nami could teach Ginny about navigating the high seas and making smart financial decisions, while Ginny could show Nami some of the magic tricks that witches use. Also, Hagrid and Chopper would be adorable together. Hagrid's big heart and love for strange creatures would mesh well with Chopper's kind and curious nature. They could exchange stories about magical and unique animals in their worlds.

Harry Potter and Luffy would be an amazing pairing. Harry's serious and sometimes brooding nature combined with Luffy's carefree and positive attitude would create a great dynamic. Luffy could also teach Harry about having more faith in his friends and believing in himself without relying so much on magic all the time.

Dumbledore might be the most powerful. He has vast magical knowledge and experience. In a crossover, he could quickly understand the mechanics of Devil Fruits and use his magic to counteract any threats from One Piece characters. He could also use his intelligence to outwit the pirates and use spells like the Patronus to protect himself and others from danger.

Severus Snape could also be a great crossover. His sardonic nature and his skills in potions could translate well in Bioshock. He might be interested in the way ADAM is created and used. He could also use his Occlumency skills to hide from the more dangerous inhabitants of Rapture. His complex character would add a lot of depth to the story, as he could be a reluctant ally to Harry in this strange new world or have his own hidden motives for being there.

Hermione. She's intelligent and resourceful. In the Tangled world, she could use her knowledge of spells and potions to solve problems. For example, she could brew a potion to make Rapunzel's hair grow even longer and stronger if it was damaged in some way.

Harry Potter and Ainz Ooal Gown. Harry is the hero of his world, constantly fighting against dark forces. Ainz is a powerful overlord in his own right. If they were to cross paths, Harry might see Ainz as a potential new threat, while Ainz might be interested in Harry's unique magic and the prophecy that surrounds him. Their meeting could lead to a series of misunderstandings and battles, or they could end up forming an unlikely alliance against a common enemy.

Dumbledore would be an amazing crossover. His wisdom and power are so great. In Storybrooke, he could act as a sort of guiding figure for the characters. He could help them understand the deeper magic at work in their town, and maybe even teach some of them about the more noble aspects of magic, which could be different from what they already know in their fairy - tale world.

Luna Lovegood and Jacob could be an unexpected but great combination. Luna's unique view of the world and her belief in the unseen could pair well with Jacob's connection to the spirit world as a werewolf. They could embark on a journey to discover a new kind of magic or power that exists between the two universes, and their interactions would be both humorous and heartwarming.

I think Michael Corvin could be an interesting crossover character. He's a hybrid in the Underworld series, which means he has a unique set of abilities. In the Harry Potter world, he could be seen as a strange new kind of magical being. He might be able to help the wizards understand different types of magic that are more physical and instinct - based like his own. Also, his journey of self - discovery in the Underworld could be paralleled in the wizarding world as he tries to find his place among the wizards and witches.

The crossovers of characters are the best. Imagine Zoro dueling with a Death Eater or Hermione teaching Chopper some advanced magic. These interactions not only show the differences in their abilities but also how they can complement each other. It's also interesting to see how the world - building elements of both One Piece and Harry Potter are merged. For example, how the One Piece islands might be affected by the presence of magic or how the Hogwarts houses could be related to the different crews in One Piece.