Naruto himself is of course very popular. In fanfiction, he is often the central character as he grows into a grandmaster. Sasuke is also quite popular as he can be Naruto's rival or ally in different storylines. Sakura might be there as a strong female character, either helping Naruto or having her own independent story arc in the grandmaster - themed fanfiction.
Naruto himself is obviously a very popular character in grandmaster Naruto fanfiction. Since it's about him achieving the grandmaster level, his character development and new abilities are the main focus. Sasuke is also often included. He might be Naruto's rival still, or they could be working together at the grandmaster level to face new challenges.
One interesting Naruto Grandmaster fanfiction could be about Naruto achieving a new level of power and using it to bring peace in a unique way. For example, he might master a long - lost jutsu that changes the balance of power in the ninja world.
There could be a grandmaster Naruto fanfiction where he travels through different dimensions as a grandmaster, seeking out new forms of chakra and knowledge. In this story, he could encounter alternate versions of his friends and enemies and learn from them. This would be a really cool exploration of the Naruto universe's vast potential.
It could be really exciting. Imagine Naruto with his ninja skills and chakra now having to adapt to the ways of the Jedi. He might use his shadow clones in unique ways in Jedi training, like sending them to practice different lightsaber forms simultaneously. His strong willpower, similar to that of a Jedi, would make him a great candidate for a Grandmaster. He could also introduce some ninja concepts to the Jedi Order, creating a whole new dynamic within the Star Wars universe.
Naruto's character would become more disciplined. The Jedi way would force him to control his impulses better. He'd still retain his cheerful and determined nature, but it would be refined. His understanding of good and evil would expand as he delved into the Force's teachings. He might also develop a new sense of responsibility towards the entire galaxy, not just his village.
Some 'grandmaster Naruto fanfics' are interesting when they rewrite the Naruto universe with Naruto as a grandmaster from the start. This allows for a completely different take on the story. For instance, the story could be set in a world where Naruto has already mastered all the jutsus and is now in charge of training all the new ninja in the village. His decisions and actions shape the future of the ninja world in ways we haven't seen in the original series.
Grandmaster, great grandmaster, and supreme grandmaster were common realms in martial arts novels. The following conclusions:
Grandmasters were experts with extremely high martial strength. They had already reached the peak of martial arts and could defeat most of their opponents. They had a deep understanding and mastery of their own martial arts and were widely respected and admired.
A great grandmaster broke through the limits of martial arts on the basis of grandmaster and reached a higher realm. Not only did they have amazing combat ability, but they also had deep inner force cultivation, so they could easily deal with all kinds of battles. Their understanding of martial arts was no longer at the level of skill, but had risen to the height of philosophy. Great grandmasters were legendary figures in the martial arts world. Their names and deeds had already become legends in the martial arts world.
Supreme grandmaster was a higher realm, but the specific differences and details were not mentioned in the search results provided.
In short, grandmaster, great grandmaster, and supreme grandmaster were different realms in martial arts novels. They represented different levels of martial arts cultivation and strength.
Well, in Naruto Grandmaster Fanfic, there might be new interpretations of the ninja world's politics. Maybe it shows how different clans interact in ways not shown in the original series. Also, the fanfic could introduce new types of ninjas or ninja techniques. For instance, a type of ninja who can control natural elements in a completely different way than the traditional elemental jutsus. And of course, there could be new and unexpected alliances and rivalries among the characters.
You can start by looking on fanfic websites like FanFiction.net or Archive of Our Own. Just type 'grandmaster Naruto fanfic' in the search bar and you'll get a list of relevant stories.