A metal vessel in fanfiction could be a source of a new type of jutsu for Naruto. For instance, it could release a special energy that can be used for both offensive and defensive purposes. It might also have some sort of sealing ability, which could be useful in battles against powerful enemies who use dark magic or powerful jutsu.
In fanfiction, a metal vessel for Naruto could be a catalyst for character development. It could represent a new responsibility for him. Naruto would need to learn how to control and utilize the vessel properly. This might lead him to seek out new mentors or training methods. The vessel could also have a connection to Naruto's past, like it was an ancient relic from his clan that was lost and now he has to rediscover its secrets. This could open up new storylines about his heritage and the true potential of his family's power.
Yes, in some fanfictions, Naruto can be depicted as having a metal vessel. Fanfiction writers often take creative liberties and introduce unique elements to the Naruto universe, and a metal vessel could be one such addition to give Naruto new powers or a different role in the story.
Another possibility is that it could be an older, forgotten character from the Naruto universe. Someone who was once on the sidelines but now has a new role as the chosen vessel. It could be a character from a minor clan that has some long - lost power that makes them suitable for this important position.
Maybe it was the result of some experimental jutsu gone wrong. Or perhaps he was exposed to a special kind of metal - based chakra.
One possible plot could be that Naruto is somehow transported to the Sonic universe. He encounters Metal Sonic, who mistakes Naruto for a threat. Naruto, using his ninja skills, tries to communicate with Metal Sonic but fails. So, he has to use his combat abilities to defend himself against Metal Sonic's attacks while also trying to find a way back to his own world.
One possibility is that they could be the result of some advanced medical ninja technology. Maybe after a severe injury, the medical ninjas in the village developed these metal limbs as a replacement for his damaged ones. Another idea is that it could be a gift or curse from some powerful entity. For example, a powerful sage or a dark being might have bestowed these limbs on him for their own purposes.
For a Naruto character with a metal arm, say it's a new and unknown shinobi. Maybe they were born into a family of blacksmiths who were secretly working on creating advanced weaponry. An accident during the creation of the metal arm led to the young shinobi losing their original arm. But instead of giving up, they decided to use the prototype metal arm. They then trained hard to master its use and became a force to be reckoned with in the Naruto world, using their unique arm to surprise opponents in battles.
They could be a gift from an unknown shinobi who recognized Naruto's potential. This shinobi might have a special connection to a blacksmith who crafted these unique claws.
It could involve Naruto characters in a dark, alternate universe inspired by the Dark Nights Metal concept. Maybe Naruto has to face an even more corrupted version of the Akatsuki, with powers twisted by the dark forces from that concept.
Well, Naruto could have a special kekkei genkai (bloodline limit) in fanfiction that enables him to manipulate metal. This could be something he discovers later in life. He could use this ability to create metal barriers for protection, or he could use it to launch a barrage of metal shards as an attack. He might also be able to merge with metal, like some sort of metal - ninja hybrid, and gain enhanced strength and durability while being in that form.
In this fanfiction, the plot could revolve around a common threat. Suppose there is an evil force that wants to use both the power of the ninja world and Metal Sonic's technology for its own evil purposes. Naruto and Metal Sonic, despite their differences, would have to team up to stop this threat. This would involve them learning about each other's abilities and finding ways to cooperate, which could lead to some really exciting action scenes and character development.