Percy would probably be really curious about Luffy's devil fruit powers. He might try to figure out if there's any connection to the magic he knows. Luffy, on the other hand, would be excited to have Percy on board and would want to see his water powers in action.
The more serious characters like Zoro from One Piece and Annabeth from Percy Jackson might start off a bit skeptical of each other. But as they face challenges together, they would learn to respect each other's skills. Zoro could be impressed by Annabeth's strategic mind, and Annabeth would admire Zoro's swordsmanship. And the fun - loving characters like Usopp and Grover would get along really well, sharing their tall tales and having a great time.
At first, they might be cautious around each other. Aquaman, being the king of Atlantis, would be wary of this strange demigod from the surface world. Percy, on the other hand, would be in awe of Aquaman's power and the strange underwater world. But as they face challenges together, like fighting off some menacing sea creatures or stopping a villain who wants to control the ocean, they would start to respect and rely on each other. Percy might crack some jokes to lighten the mood, which Aquaman might find strange at first but then start to appreciate as a sign of Percy's courage.
The demigods from Percy Jackson's world would interact with the Diablo characters in different ways depending on their personalities. Annabeth, being the strategic thinker, would try to analyze the Diablo characters' weaknesses and form plans. She might try to communicate with any intelligent Diablo creatures to find out more about their world. Grover, with his connection to nature, might be really disturbed by the corrupted and dark nature of the Diablo world. He could try to find any remnants of good or nature in that world to help in the fight against the dark forces. And when it comes to the Diablo characters, some of the more cunning ones might try to manipulate the demigods for their own ends.
Percy would likely be very curious about the characters in the Overlord world. He might approach them with his usual friendly and adventurous attitude. The Overlord characters, depending on their nature, could either be hostile or intrigued. For example, the more powerful and evil - inclined characters might see Percy as a threat and try to eliminate him. But the more neutral or good - hearted ones could be interested in learning about his powers and his world.
In a One Piece Toriko crossover, the interactions would be quite diverse. For instance, Chopper would be fascinated by the Gourmet Cells concept in Toriko's world and might try to study it. Nami could use her navigation skills to help Toriko find rare ingredients in uncharted areas. Usopp would likely be in awe of the large and dangerous creatures in Toriko's world and might come up with new gadgets to deal with them. And Luffy and Toriko would bond over their love for adventure and food. They would also team up in battles, with Luffy's elasticity and Toriko's strength making them a formidable duo against common enemies.
When Naruto enters the Percy Jackson world, he'd be like a fish out of water. But his friendly nature would soon make him start conversations with the demigods. Percy would be one of the first to approach Naruto as well. They'd start comparing their powers. Naruto would be amazed at how Percy can breathe underwater and summon sea creatures. Percy would be equally impressed with Naruto's Rasengan. As they get to know each other better, they'd start to rely on each other in battles. Naruto would use his speed and clones to distract enemies while Percy strikes with his sword and water powers. They'd also have friendly competitions, like who can complete a certain task faster, which would strengthen their friendship.
Naruto would be very friendly and eager to make friends, so he'd probably start by introducing himself to Percy and his friends in a very enthusiastic way. Percy might be a bit cautious at first, but as he sees Naruto's powers, he'd be intrigued. They'd start sharing stories about their respective worlds, like Naruto talking about his village and Percy about Camp Half - Blood.
Artemis Fowl, being the calculating and often - aloof character that he is, might look down on Percy at first. He might see Percy as a bit of a brute, just charging into battles. However, as he witnesses Percy's loyalty to his friends and his ability to think on his feet in the heat of battle, he would gain a new respect for him. Percy, on the other hand, would be fascinated by Artemis's gadgets and his ability to outwit his enemies with his wits. They would likely have a lot of banter, with Percy making fun of Artemis's overly - complicated plans and Artemis criticizing Percy's lack of strategic thinking in some situations.
Goku would probably be really excited to meet Luffy. He'd be curious about Luffy's rubber powers and would want to have a friendly sparring match right away. Luffy, on the other hand, would be in awe of Goku's strength and would see him as a great ally. He'd probably ask Goku to join his crew, but Goku would decline because he has his own friends and family in Dragon Ball world.
In a crossover, there could be a lot of cultural exchange. The heroes of the Justice League, coming from a more modern and technological world, would be introduced to the swashbuckling, adventure - filled world of One Piece. The One Piece characters, on the other hand, would be exposed to different concepts of heroism. For example, Superman's selfless acts of saving the world would be something the Straw Hats could look up to. At the same time, the Justice League might be impressed by the loyalty and friendship within the Straw Hat crew, which is a strong value in the One Piece universe.
The Voltron characters, being used to a more high - tech and space - faring environment, would be initially shocked by the magic in the Percy Jackson world. Keith might be a bit standoffish at first, but Percy's leadership skills could earn his respect. Lance would probably be fascinated by all the different mythological creatures and would try to flirt with some of the female demigods. Hunk would bond with the demigods over food, as there could be some interesting magical foods in the Percy Jackson world that he would love to try.