It's hard to say without reading the fanfic, but it could be characters like Sasuke. Since Sasuke is Naruto's rival, he might be involved, either competing with Naruto over the use of the Raijin no Ken or joining forces with him. Kakashi is also a likely character to be in it as he has knowledge about many ninja techniques and could play a role in guiding Naruto in using the weapon.
In the 'naruto uses the raijin no ken fanfic', other than Naruto, characters like Gaara could be involved. Gaara, as a powerful ninja from the Sand Village, might be interested in Naruto's new power. He could either be an ally or a potential adversary. Another character could be Tsunade. Tsunade, as the Hokage, would surely have an opinion on Naruto using such a powerful weapon. She might try to regulate its use or provide support in Naruto's training. And of course, there could be some mysterious or antagonist characters who are after the Raijin no Ken for their own malicious purposes.
In the 'naruto raijin no ken fanfic', Naruto is likely to be the central character. However, we could also see characters like Kakashi. He might play a mentoring role, having some knowledge about Raijin no Ken from his past experiences or research. Additionally, villains or antagonists would also be important characters. They could be after the Raijin no Ken for their own evil purposes, which would put them in direct conflict with Naruto.
The 'naruto uses the raijin no ken fanfic' might have a plot where Naruto's use of the Raijin no Ken changes the power dynamics in the ninja world. He could be seen as a threat by some, while others might see him as a new hope. His use of this weapon could also lead to him exploring new parts of the ninja world in search of more knowledge about it. Maybe he has to go on a journey to find the origin of the Raijin no Ken, facing many obstacles along the way, and during this journey, he not only masters the weapon but also grows as a person and a ninja.
The 'naruto raijin no ken fanfic' may have a plot that delves into the origin of Raijin no Ken. Maybe it was an ancient weapon lost in time that Naruto discovers. He then has to uncover the secrets of how to use it properly. This could involve seeking out old scrolls or meeting sages who have some knowledge about it. As he progresses, he might use it to defend Konoha from a new, powerful threat that normal jutsu can't handle. His friends may also be involved, some might be skeptical about this new power while others support him wholeheartedly.
Well, 'naruto raijin no ken fanfiction' could be about a lot of things. It might be a story that focuses on a new jutsu related to the raijin no ken in the Naruto universe. Maybe it's about a character who discovers or masters this special weapon or ability and goes on various adventures, battles enemies, and overcomes challenges using it.
In some Naruto Raijin fanfiction, Kakashi could also be an important character. He might play the role of Naruto's mentor in understanding Raijin's powers or techniques. For example, he could help Naruto analyze Raijin's lightning - based attacks and come up with counter - strategies.
One interesting plotline could be Naruto using the Raijin no Ken to defeat a powerful new enemy that the regular Naruto powers couldn't handle. Maybe it's an enemy from a different dimension who is immune to chakra but not to the unique abilities of the Raijin no Ken.
Some Reddit communities dedicated to Naruto fanfiction could also be a good place to look. Redditors are quite active in sharing and recommending different fanfictions. Just search for relevant subreddits and post a query about the 'naruto raijin no ken fanfiction'.
There could be a new character introduced, perhaps an old hermit who is an expert in sealing. This character could have some hidden motives, like using Naruto's newfound skills for his own gain at first but then eventually becoming a true ally after seeing Naruto's pure intentions with the power of sealing.
Hinata could be an idol trainee. She is shy at first but as she trains, she becomes more confident. Naruto could be her biggest supporter, and their relationship could develop further as they both pursue their dreams in the idol and ninja worlds respectively.
There could be members of the Gremory family. For example, Rias Gremory might be a key character. She could be one of those who initially neglect Naruto but later come to realize his potential. Another character could be Issei Hyodo, who might be in a position where he has to choose between the traditional Gremory way and Naruto's different approach.