Well, Naruto finding the Millennium Puzzle in a fanfiction could be really interesting. He's used to dealing with strange and powerful items like the Nine - Tails' chakra. But the Millennium Puzzle is a whole different ballgame. He might try to solve it, thinking it's some kind of ninja - related riddle. And once he starts, he could get drawn into a whole new world of magic and duels, which would be a huge shift from his normal ninja battles.
One possibility is that Naruto's friends, like Sakura and Sasuke, would be really confused about this new object he's found. They might think it's some kind of new jutsu tool. Naruto, being Naruto, would probably try to show off his 'new discovery' to them. But as he delves deeper into the mystery of the Millennium Puzzle, he could start to change in unexpected ways.
One possibility could be that Naruto uses the Millennium Items to gain new powers. For example, if he had the Millennium Puzzle, he might unlock hidden knowledge or abilities related to chakra manipulation. Maybe it could even help him understand and control the Nine - Tails better.
One interesting Naruto Millennium Puzzle fanfiction could be about how the Millennium Puzzle affects Naruto's training. Maybe it gives him new powers or insights during his practice sessions.
It can introduce new powers. For instance, Naruto might gain the ability to see the future through the Millennium Puzzle, which would completely change how he approaches battles and makes decisions.
In a Naruto finds the Millennium Items fanfiction, Naruto could potentially use the items to bring back his loved ones. Just like how the Millennium Items have the power to manipulate souls in Yu - Gi - Oh. He might be tempted to use the power of the Millennium Ring to communicate with the dead, like Sasuke's family perhaps. This could lead to some very emotional and complex storylines, as Naruto tries to balance the power of the items with his own moral code.
One possible scenario in this fanfic could be that Naruto finds a magical sword. The sword might have special powers like being able to cut through any material or even having the ability to nullify jutsu. Naruto, being Naruto, would initially be confused about how to use it but would soon start to experiment. He might try to incorporate it into his combat style, perhaps using it in combination with his shadow clones to create some really cool and unexpected attacks.
One idea could be that Naruto, with the Millennium Puzzle, gains access to ancient Egyptian magic. He might use it to enhance his jutsu, like adding the power of the Egyptian gods to his Rasengan. For example, infusing it with the power of Ra to create a super - heated and more powerful attack.
Naruto would probably be both excited and cautious. He's always eager for new power to protect his village and friends, but he also knows that power can be dangerous. So, he'd likely start by trying to understand the items' powers slowly. He might test them out in a controlled environment at first.
If Naruto finds his mother's sword in a fanfiction, it might lead him on a journey of self - discovery. The sword could be a symbol of his heritage. It could also attract the attention of enemies who either feared his mother or want the power of the sword for themselves. This would then put Naruto in a dangerous yet exciting situation where he has to protect the sword and learn about its significance.
Naruto's relationship with Kakashi could also change. Kakashi, being a more experienced ninja, would try to guide Naruto in using the Millennium Puzzle's power responsibly. He might teach Naruto about the potential dangers of misusing such a powerful artifact, which could bring them closer as teacher and student. Naruto's friends in Team 7 would also look to him for more leadership when they see the power the Puzzle gives him.