In these fanfictions, the different universes blend in various ways. The Juubi can act as a sort of catalyst. It might be that the Juubi's power is so great that it creates a portal between the Naruto and One Piece worlds. Once the characters start interacting, they share their knowledge and skills. The One Piece characters learn about ninjutsu and the Naruto characters learn about sailing and the different islands. In the harem aspect, the main character's journey through both worlds attracts different female characters from each, creating a diverse harem that represents both universes.
The blending often starts with a crossover event. Maybe the Juubi's power goes out of control in the Naruto world and rips a hole in the fabric of space - time, leading to a connection with the One Piece world. The cultures of the two worlds then start to mix. In terms of the harem, the main character, who is usually someone with a connection to the Juubi, finds himself in situations where he has to deal with the different social norms regarding relationships in both worlds. For example, the Naruto world has more traditional clan - based relationships, while the One Piece world has a more open - minded approach on the high seas. This creates interesting dynamics in the harem as the female characters from both worlds interact with the main character.
Naruto's Rasengan could be used in a similar way as some of the physical attacks in One Piece. For example, it could be as powerful as Luffy's Gear attacks. Also, his ability to jump great heights and distances might be on par with some of the Zoan Devil Fruit users' enhanced physical abilities.
One interesting storyline could be a character from Naruto who has the power of the Juubi getting transported to the One Piece world and ending up in a harem situation. For example, Naruto himself with the Juubi's power might land on an island in One Piece and attract a group of female characters due to his unique abilities and kind heart. They would then embark on adventures together, with Naruto's ninja skills and the Juubi - influenced powers being a new element in the One Piece universe.
Yes, there are likely some. The Naruto and One Piece universes are so vast that when combined with the concept of a godlike Juubi in fanfiction, it can create really interesting and unique stories. Some fanfictions might focus on a character having Juubi - like powers in the One Piece world, or Naruto characters interacting with One Piece characters in a scenario involving the Juubi. However, the quality can vary greatly depending on the writer.
In a fanfiction where Naruto is a fishman in One Piece, Naruto would face new challenges. For example, dealing with the discrimination that some fishmen face in the One Piece world. But he'd also have new opportunities. He could use his fishman physiology to swim faster and deeper, discover hidden treasures, and maybe even find a way to connect the ninja world with the pirate world. His Nine - Tailed Fox chakra might also have some interesting interactions with the strange powers in One Piece.
Well, one way is by having characters exchange powers. For instance, Zoro from One Piece could learn some sword techniques from the samurai in Naruto. And in return, Naruto characters could learn about Haki. Another way is to have a common power source that both worlds can access. Maybe there's a special energy in the fanfiction that combines chakra and the power of Devil Fruits.
You can start by looking on popular fanfiction websites such as FanFiction.net or Archive of Our Own (AO3). These platforms have a large collection of fanfictions from various fandoms, including Naruto and One Piece crossovers. Just use the search function and type in relevant keywords like 'godlike juubi naruto one piece' to see if there are any available stories.
Naruto could fit in by using his physical abilities. His superhuman strength, speed, and endurance, which he developed through his ninja training, would make him a formidable opponent in the One Piece world. He could easily take on weaker pirates or even some of the lower - level Marines.
Common themes in 'naruto one piece harem fanfiction' include power struggles. Characters from Naruto and One Piece have different levels of power, and in the harem setting, there can be competition for dominance. Also, cultural clashes are common. The two universes have distinct cultures, and when the characters come together in a harem, these differences create interesting storylines. For example, the ninja way from Naruto and the pirate code from One Piece can sometimes clash or be reconciled. Moreover, love triangles or polygons are also typical, as the harem concept implies multiple romantic interests for the main characters.
Well, to blend the two universes in a Naruto Revenge One Piece fanfic, one way is through the idea of a shared threat. Suppose there is a powerful entity that has been causing problems in both the Naruto and One Piece worlds. Naruto, with his ninja skills and determination, enters the One Piece world to team up with the local heroes like Luffy and his crew. His sharingan, if he has it, could be seen as a similar power to some of the more mysterious One Piece abilities. The cultures of the two worlds could also mix. For instance, the shinobi villages in Naruto could have a parallel in the different islands and factions in One Piece. And Naruto could use his knowledge of shinobi tactics and combine it with the sea - faring and combat knowledge of the One Piece characters to take revenge on the shared threat.
In such a crossover fanfiction, the universes could blend through shared quests. For instance, a new evil force that is interested in both the power of the Juubi and the powers of the Greek gods. Naruto and Percy would be brought together to fight this common enemy. Along the way, Naruto would introduce things like chakra and ninja tools to Percy, while Percy would show Naruto things like the Camp Half - Blood and his sword Riptide. This way, their universes would gradually merge.