One of the most interesting characters could be the titular Kinjutsu Master. They would likely possess a vast array of kinjutsu knowledge and skills that are far beyond what we see in the normal Naruto series. Another interesting character might be the protagonist's rival. This rival could be constantly trying to outdo the main character in kinjutsu, leading to some intense battles and rivalries. There could also be a mysterious old sage - like character who appears from time to time to offer cryptic advice about kinjutsu.
Well, in Naruto Kinjutsu Master fanfiction, one unique concept could be the new and powerful kinjutsu techniques. For example, there might be kinjutsu that can control time on a small scale, allowing the user to freeze an opponent for a brief moment in battle. Another concept could be the way characters develop their kinjutsu skills. It might involve a special training regime in a hidden location, like a secret valley filled with chakra - enhancing crystals. And some fanfictions may introduce kinjutsu that can manipulate the elements in unexpected ways, such as combining fire and water elements through kinjutsu to create a steamy, scalding attack.
A great 'Naruto Kinjutsu Master Fanfic' often has unique character development. For example, the main character who becomes a kinjutsu master should have a believable journey of learning and mastering the art. It could start with their initial discovery of kinjutsu and then show their struggles and growth as they face various challenges related to it.
It could be Naruto himself. Imagine if Naruto, instead of focusing solely on his regular jutsu, delved into the world of kinjutsu and became a master at it. His never - give - up attitude would make for an exciting story as he overcomes the difficulties of learning this new type of jutsu.
There might be a 'naruto kinjutsu fanfic' where Naruto combines his existing jutsu with kinjutsu in unique ways. For example, he might blend his Rasengan with a kinjutsu element to create a more powerful attack. This would not only surprise his opponents but also show his growth as a ninja. He could use this new jutsu to defend the Hidden Leaf village from a previously unbeatable threat.
You can try fanfiction websites like FanFiction.net or Archive of Our Own (AO3). They have a large collection of Naruto - related fanfics, and you should be able to find some great 'naruto kinjutsu fanfic' among them.
He could become a weapons master through some kind of special power-up. For example, a new chakra form that gives him an affinity for weapons. He might be able to infuse his chakra into weapons, making them more powerful. And Naruto is known for his hard work, so he'd surely spend countless hours training with various weapons, from swords to shurikens, until he masters them.
He could start by training intensively with different weapons under the guidance of some old and experienced ninja. They might teach him the proper techniques and stances for using each weapon effectively.
Yes, there are likely fanfictions out there where Naruto is depicted as a poison master. Fanfiction writers often like to take established characters and put them in unique and unexpected roles. They might explore how Naruto's skills and personality could be adapted to the role of a poison master, perhaps using his knowledge of herbs from his time in the forest or his ninja stealth to create and administer poisons in a creative way.
If Naruto were a master of the force in fanfiction, it would change the whole Naruto universe. He might be able to levitate and move objects with ease, which could be a huge advantage in battles. His rasengan could be infused with the force, making it an even more devastating attack. And he could potentially use the force to communicate with others telepathically, adding a new dimension to his relationships with his friends and allies.