The fanfiction might be about Naruto accidentally stumbling upon a ancient scroll that contains the secrets of bending. He decides to learn it out of curiosity. He begins with fire bending, which is a challenge as it's very different from his chakra - based fire techniques. But with his ninja training and unwavering will, he manages to figure out how to control the flames in the new way of bending.
There's a possibility that it's a spirit or a deity in the world of bending. This entity is impressed by Naruto's tenacity and chooses to guide him on his journey of learning bending.
Well, one possibility is that Naruto learns hypnosis from a mysterious ninja. This new skill helps him in battles by confusing his opponents. He could use it to make enemies see illusions of multiple Narutos, giving him an edge in combat.
Well, in a 'Naruto learns nen' fanfiction, perhaps Naruto is sent to a different dimension where nen is the dominant power source. There, he has to learn nen to survive and find his way back home. He starts from the basics, learning about the different nen types like Enhancer, Transmuter etc. As he progresses, he combines his knowledge of ninjutsu with nen, creating unique and powerful attacks.
In a 'naruto learns kenjutsu fanfiction', one possible plot could be that Naruto decides to learn kenjutsu to diversify his combat skills. He might seek out a master swordsman in a hidden village. The master could initially be reluctant to teach him, seeing Naruto as a rowdy ninja. But as Naruto shows his determination and unique ninja way, the master changes his mind. Naruto then has to go through rigorous training, learning different sword stances and techniques. Along the way, he might face opponents who are skilled in kenjutsu and use those battles to improve his skills further.
At first, his friends would be shocked. Hermione might think it's some kind of dark magic at first glance. But as Harry shows them what he can do, she would start to analyze it scientifically. Ron would be more awed. He'd be like a kid seeing a new cool trick. They would both support Harry in exploring this new ability, but also be a bit cautious as they don't fully understand where it comes from or what the implications are in their wizarding world.
One possible plot twist could be that his heritage is linked to an enemy he thought was unrelated. So he has to reevaluate his views on the whole conflict.
The plot could involve Naruto realizing the importance of medical ninjutsu after a major battle where many of his comrades are injured. He then seeks out a teacher, like Tsunade. He struggles at first with the precision required, but his willpower drives him to keep going.
In this fanfiction, perhaps Naruto discovers some long - lost scrolls that detail the techniques of the Yellow Flash. He might start by studying Minato's high - speed movement techniques. Maybe he has a vision or meets a spirit that guides him in learning these skills, which could then give him an edge in battles against powerful foes like the Akatsuki members.
One possible plot twist could be that Naruto discovers he has a natural affinity for a special type of metal that is only found in a hidden realm. This metal has unique properties that can enhance his ninja tools in unexpected ways. Another could be that the smithing skills he learns are actually part of an ancient prophecy. It was foretold that a ninja with Naruto's spirit would master smithing to create a weapon that could save the ninja world from a great threat that is yet to come.
Well, he might start by finding an old master who still practices ninshu. This master could teach Naruto the basic principles of ninshu, like the importance of harmony and understanding. Naruto would then use these new teachings to try and bring peace between the warring ninja clans in the Hidden Leaf Village.