Naruto's character could become more complex. He'd have to deal with the moral implications of using Jiongu. Since Jiongu has some rather strange and powerful abilities, Naruto would need to ensure he doesn't misuse it. This would add depth to his character as he'd be constantly making decisions about when and how to use this new power.
If Naruto is the master of Jiongu in fanfiction, his character would likely grow in terms of his understanding of different forms of power. He has always had his own unique chakra and the Nine - Tails, but Jiongu is something entirely different. He might become more reserved in a way, as he realizes the potential danger of this power. At the same time, he could also become more confident in his ability to protect his friends and the village, knowing he has this new and powerful tool at his disposal.
Naruto's character development as the master of Jiongu in fanfiction would be quite interesting. He might start to see the world from a different perspective. With Jiongu, he could have a greater connection to the natural world and life itself. This could lead him to be more involved in ecological issues within the ninja world. He would also have to be more careful with his emotions, as Jiongu's power could be influenced by his state of mind. Overall, his character would evolve into a more multi - faceted and responsible hero.
His character would become more complex. He might struggle with the power of the force, just as he did with his own growing ninja powers. The temptation of the dark side of the force could be a new internal conflict for him.
In fanfiction, if Naruto becomes the master of Jiongu, he could gain incredible power. He might be able to use Jiongu's unique abilities to enhance his combat skills. For example, he could use it to heal himself more rapidly during battles, or even transfer the power of Jiongu to his shadow clones, making them stronger and more durable.
Naruto's character might become more cautious. Since the eight gates can be very dangerous, he would need to be careful about using them. This could lead to a more mature Naruto. He would also have a new sense of responsibility as he holds such a powerful ability.
His character could become more complex. As a homunculus, Naruto might struggle with the new moral implications of his existence. He was always a positive and determined ninja, but now he may have to face the darker side of his new form.
His character would become more confident. The power of the Flash would make him realize his potential even more. He'd be less likely to doubt himself in tough situations.
Naruto's character could develop morally if he finds Mjolnir. Since Mjolnir is only liftable by those who are worthy, it would reinforce Naruto's sense of justice. He'd see himself as even more of a protector. He might start to view his ninja way in a new light, perhaps incorporating some of the values associated with Mjolnir. For example, he could become more strict about who is worthy of his protection, like Thor is with Mjolnir.
His character would become more cerebral. Instead of relying solely on his physical strength and ninjutsu, he'd use his intellect. He might become more patient as scientific research requires time.
If Naruto joins Iwa in fanfiction, his character development could be significant. He'd have to deal with being an outsider at first. This would test his resolve and make him grow in patience. He may also start to see the world from a different perspective, as Iwa's goals and values might be different from Konoha's. This could lead to him becoming more diplomatic and understanding of different ninja cultures.
Often, in Naruto weapon master fanfiction, Naruto starts as a novice with a basic understanding of weapons. He might initially struggle to control a special weapon he discovers. But as the story progresses, through his determination and hard training, he becomes more proficient.
If Naruto got Wolverine's power in fanfiction, his development would be really interesting. He'd have to learn to control the healing factor and not rely too much on it. His sense of self - worth might change as he realizes he has this new, extremely powerful ability. He might also become more of a loner in some ways, but still be part of the Konoha community. He could start to question his ninja way in the face of this new power, but ultimately find a way to incorporate it into his values.