In fanfiction, if Luffy becomes a Yonko, he would likely gain more respect and fear from his enemies. His crew might also get more privileges and be involved in bigger power plays. For example, they could have more influence over the territories in the New World.
Luffy's journey changes drastically when he becomes a Yonko in fanfiction. He is no longer just a carefree pirate sailing around looking for adventure. Now he has responsibilities towards his territory and his crew in a new way. He might have to attend meetings with other Yonkos or their representatives, which is a far cry from his usual style. His battles are not just for fun or to protect his friends anymore, but also to maintain his position as a Yonko. And his enemies would be more cautious and plot more deviously against him. This new chapter in his journey would test his leadership skills and his ability to hold onto his values in the face of new challenges.
In a Naruto - becomes - a - Yonko fanfiction, Naruto's unique abilities would set him apart. For example, his Sage Mode gives him enhanced strength, speed, and perception. In the pirate world, this would make him a formidable opponent. He could also learn Haki, the power in the One Piece universe. Combining his ninja skills with Haki, he could easily take on other pirates and claim territories, eventually becoming a Yonko.
As a Yonko, Naruto would change the power dynamics in the One Piece world. His relationships with other Yonkos would be different. He might try to form alliances based on mutual respect rather than just power. His presence could also lead to more cross - cultural exchanges between the ninja world he comes from and the pirate world, resulting in new technologies and ideas being shared.
The theme of acceptance is quite common. Fem Luffy often has to be accepted by the other characters in the story. This could be because she's different due to her gender or her slightly different personality traits. Also, the theme of self - discovery is prevalent. As fem Luffy navigates the pirate world, she discovers more about herself, her abilities, and her place in the grand scheme of things.
One popular luffy and fem luffy fanfiction is 'Fem Luffy's Adventure'. It shows a different side of Luffy if she was a female, with unique storylines and character developments. Another one could be 'Fem Luffy in a New World' which explores how fem Luffy might interact with the other characters in the One Piece world in new and interesting ways.
Rebecca could potentially be in Luffy's harem. After Luffy helped her in Dressrosa, she might develop feelings for him. She is a strong - willed and kind - hearted character. Another could be Shirahoshi. Luffy has a special connection with her as he saved her from being captured. Her gentle and innocent nature would contrast with some of the other more assertive members of the harem.
Their relationship could develop through mutual respect. Luffy respects Whitebeard as a powerful and respected pirate, and Whitebeard respects Luffy's determination and potential. For example, they could start with a simple exchange of stories about their adventures at sea.
There could be an original character created just for the fanfiction. A woman with a kind heart but a tough exterior, who was a great fighter. She could have met Luffy's father during a battle and they fell in love, and she became Luffy's mother.