One common theme is power and its consequences. Since Naruto is godlike or immortal, he has to deal with the implications of such power. Another theme is often about his relationships, like how his friends and family react to his new state.
Well, it depends on what you consider 'good'. There are some 'godlike immortal naruto fanfiction' that focus on Naruto obtaining some sort of divine power and then using it to reshape the Naruto world. For example, some stories might have him becoming an immortal being with the ability to control time and space, which makes for really interesting reading as he interacts with other characters in this new state.
In some plotlines, Naruto might teach the X - Men some of his ninja techniques as a godlike or immortal being. This could help the X - Men in their battles. There could also be a love interest story where Naruto, with his unique powers, catches the eye of a certain X - Men character. His immortality could bring up questions about his place in the X - Men universe and how he'll age or not age compared to the others. Additionally, there could be a plot where Naruto has to hide his true power level from some in the X - Men world who might fear or want to exploit his godlike or immortal abilities.
One of the most popular themes is power-ups. In these fanfictions, Naruto might gain even more godlike powers, perhaps new types of jutsu that are on a whole other level. For One Piece, it could be about the Straw Hats getting some sort of super - power - up that makes them almost invincible. Another theme is crossovers within the Naruto and One Piece universes. For example, characters from Naruto could end up in the One Piece world and vice versa, leading to interesting interactions. Also, the theme of eternal life or immortality is explored, like how it affects the characters' relationships and their goals in the story.
In some 'godlike immortal naruto crossover fanfiction', Naruto is reborn as a godlike or immortal being. This gives him a whole new perspective on life and power. He may use his newfound status to right the wrongs in the Naruto world or to explore new regions and meet new characters that normal Naruto would never have encountered.
Yes, there are likely fanfictions with such a concept. Fanfiction writers often come up with unique and creative ideas, like a godlike Naruto who is blind. It could explore how Naruto overcomes his blindness while still having his godlike powers, perhaps delving into his other senses and how they are heightened to compensate. There might be different interpretations of how his relationships change as well, such as with his friends and foes.
In a 'godlike immortal naruto fanfic', the exploration of Naruto's immortality is quite fascinating. It could mean that he doesn't age or can't be killed in the traditional sense. This would change the whole dynamic of the Naruto universe. He could be a constant presence, guiding future generations. Also, his godlike powers might allow him to traverse different dimensions easily, opening up new storylines and interactions with characters from other realms.
For Naruto, his already positive and determined personality might become even more so. With his new immortal and godlike powers, he could be more confident in taking on challenges. He might also become a bit more reckless, thinking he can handle anything. In One Piece, Luffy's carefree nature could be enhanced. He might see his crew's safety as even more of a given with Naruto's help and be more willing to take on extremely dangerous foes. Nami could become more assertive, using Naruto's powers to her advantage in getting more treasure or information.