If Hoke had any physical abilities in his previous life, they might transform into chakra - related abilities in the Naruto world. For example, if he was very agile, it could translate to being able to move quickly between trees and buildings like a pro ninja. His knowledge from his past could also help him develop new jutsus. He could combine his understanding of different concepts from his previous life with the principles of chakra in Naruto to create something unique.
One possible plot could be Hoke reincarnating as an unknown ninja in a small village. He then starts to show extraordinary abilities which draw the attention of the major ninja villages. Along the way, he befriends Naruto and the gang. He might teach them some new techniques that he remembers from his previous life. He could also get involved in the Akatsuki conflict, either trying to stop them in a different way or even trying to understand their motives from a different perspective.
Naruto's chakra control could be related to how Ash controls the energy flow in his Pokemon. Maybe he could use his chakra knowledge to enhance his Pokemon's attacks or defenses. Also, his ability to learn jutsus quickly might turn into an ability for Ash to quickly understand and train his Pokemon for new moves.
The shadow clone jutsu would be a game - changer. He could send clones to set screens for his teammates or himself, or he could use them to create distractions for the opposing team while he makes a move. His ninjutsu training in terms of focus and concentration would also help him stay calm during crucial moments in the game, like when taking a last - second shot or making a key defensive play.
His ability to use chakra could be transformed into a form of divine energy. His Rasengan might become a more magical, energy - based attack that could be used against mythical creatures. Maybe it would have the power to disrupt the essence of a monster.
His water - based jutsu might improve. Since Kiri is known for its water ninjutsu, Naruto could learn new techniques or modify his existing ones. For example, he could combine his Rasengan with water chakra to create a more powerful and water - enhanced attack.
Naruto's ability to communicate with animals through his chakra might play a role. He could attempt to communicate with Godzilla on a deeper level. His transformation abilities, like the Sage Mode, could give him extra strength and durability, which would be useful when dealing with the powerful forces associated with Godzilla. His summoning jutsu could also bring in other ninja animals to help in battles alongside Godzilla.
In a Themiscyra fanfiction, Naruto's shadow clone jutsu could have an interesting transformation. Maybe the clones could take on some Amazonian characteristics, like their armor or weapons. His rasengan could also be modified. For instance, it could be charged with the magic energy of Themiscyra, making it not only a powerful physical attack but also having some sort of magical effect, like being able to dispel dark magic or heal minor wounds in addition to causing damage.
In a fanfiction, Naruto's abilities would both clash and blend with Hogwarts' magic. His speed and agility from ninja training would make him stand out in physical challenges like Quidditch. His ability to summon animals could be related to the magic of summoning in Hogwarts. However, his use of chakra is very different from the magic wand - based magic in Hogwarts, which would lead to some interesting learning experiences for him.
Naruto's relationship with his sensei, like Kakashi, would also change. Kakashi would be extremely vigilant and try to train Naruto to control the Sephiroth - like powers. He might also be researching about this strange phenomenon. As for his friends in the village, some might be afraid of him, while others might see it as an opportunity for the village to become stronger. But overall, Naruto would feel a bit isolated as he's different now.
His relationship with Sasuke would be very different. Sasuke might see Naruto as more of a rival or a threat now that he has Whitebeard's power and influence. Naruto, on the other hand, would probably try to get Sasuke to understand his new purpose of bringing unity. His friends like Sakura and Kakashi would also be a bit in awe at first, but then they would support him as he tries to use his new powers for good.