If Naruto can talk to ghosts in the fanfic, it could open up a whole new world of adventures. He could befriend some friendly ghosts who guide him to mysterious places in the ninja world. On the other hand, there might be evil ghosts that try to mislead him or use him for their own dark purposes. Naruto would have to learn to distinguish between good and bad ghosts and deal with the challenges that come with this unique ability.
It's possible that Naruto would talk to the ghosts of the Uchiha clan members. Given the complex history of the Uchiha and Sasuke's importance in Naruto's life, communicating with these ghosts could help Naruto understand the clan better. He might also be able to prevent further tragedies related to the Uchiha by learning from their past mistakes.
In such a fanfiction, Naruto might use his ninja skills to help Pokemon in battles. For example, he could use his shadow clone jutsu to confuse the opponents of a Pokemon. He could also communicate with Pokemon to understand their problems and help them find solutions. Maybe he would team up with Pikachu and use his Rasengan combined with Pikachu's thunderbolt for a super powerful attack.
It might change his relationships. He could communicate with the ghosts of fallen comrades or enemies. This would give him a unique perspective. Maybe he could understand the motives of former villains better and find ways to prevent future conflicts. Also, it could make his bonds with his living friends even stronger as he shares what he learns from the ghosts.
One of the most interesting could be the ghost of the First Hokage. He has so much knowledge about the founding of the village and the early days of the ninja world. Naruto could learn a great deal from him, like how to better lead and protect the village.
In a Ben 10 and Naruto fanfic, there would be some epic battles. Ben's alien forms like Four Arms could have a great brawl with some of the strong Naruto characters like Rock Lee. Four Arms' brute strength against Rock Lee's amazing taijutsu skills would be a sight to see.
If Naruto was the Juubi in the fanfic, there would be a lot of changes. First, his physical abilities would be off the charts. He could probably move at incredible speeds and have superhuman strength. His chakra reserves would be massive, which means he could perform powerful jutsu without getting tired easily. Also, the other characters in the story would probably be in awe or fear of him. His friends might try to help him control this new power, while his enemies would be even more determined to defeat him. It could also change the political situation in the ninja world, as having such a powerful being among them would disrupt the balance of power.
If Naruto becomes a ghoul in a fanfic, he could potentially use his new powers in unique ways. His ninja skills combined with ghoul abilities like kagune would make him a very formidable fighter. Maybe he'd try to find a way to survive without harming innocent people, like finding alternative food sources or using his powers only against bad guys.
Well, Naruto might become extremely powerful in terms of his mental manipulation skills. Aizen is known for his cunning and ability to deceive. Naruto could learn new ways to outwit his opponents. He might also gain some unique combat techniques that are more psychological in nature, rather than just relying on his physical strength and ninjutsu.
In this fanfic, Naruto might show off his incredible strength and unique jutsus against the five kages. He could use his Rasengan in creative ways to counter their various powerful techniques.
Well, if Naruto has the Omnitrix in the fanfic, it would change the power dynamics a great deal. He could potentially access alien technology and powers that are far beyond what is normal in the Naruto world. This might lead to new alliances or enemies. Maybe the Hidden Villages would be both in awe and a bit afraid of his newfound powers, and he'd have to deal with the politics of that as well as any new threats that come his way.