A possible plotline could be that the Ketsuryugan gives Naruto the ability to see the true nature of people's chakra, which causes him to question some of his relationships. He might discover that some people he thought were friends have ulterior motives. Also, there could be a story where Naruto uses the Ketsuryugan to develop a new form of his Rasengan, combining the power of the Ketsuryugan with his existing skills. This new ability could then be the key to defeating a powerful and previously undefeatable enemy in the fanfiction.
Yes, there are likely some 'naruto has ketsuryugan' fanfictions out there. The Naruto fandom is huge and full of creative ideas. Fans often like to give characters new abilities or powers, like the ketsuryugan in this case. You can search on fanfiction websites to find such stories.
Well, it might be about how Naruto's life changes with the ketsuryugan. He could face new enemies who are interested in this new power he has. Also, his friends might react in different ways, some being worried and some being excited. And he could use the ketsuryugan to unlock new jutsu or abilities that are related to it. He might also have to deal with the origin of the ketsuryugan and any secrets that come with it. This could lead to a whole new adventure for Naruto, exploring new places and meeting new characters in the process.
One possible plotline could be that Naruto's silver hair is a result of a powerful curse placed on him. This curse could be related to an ancient evil that is trying to use Naruto as a vessel. So, the story could revolve around Naruto trying to break this curse while still being the hero he is. Another plotline might be that his silver hair is a sign of a new chakra form he is developing. He then has to learn how to control this new form and use it to protect the village from a new threat.
One possible plotline could be Naruto struggling to control the Iron Sand Release at first. Since it's not a natural ability for him, he might accidentally cause damage to the village during training. Another could be that enemies target him specifically because of this new and powerful ability, thinking he could be a great threat or a valuable asset if they can capture him.
A plotline might involve Naruto's struggle to maintain his status as a ninja while dealing with the cancer. He could face discrimination from some in the village who think he's no longer fit for duty. Or there could be a plot where the Akatsuki somehow find out about his condition and try to use it to their advantage, like blackmailing him or using it as a distraction in a battle.
One possible plotline could be Naruto discovers he has a hidden Fullbring ability. He then has to learn to control it while still dealing with the threats in his own world. Maybe he uses it to fight stronger enemies like Madara in a new and unexpected way.
One possible plotline is that Naruto uses his telepathy to communicate with the spirits of the past Hokages. He could gain wisdom and knowledge from them that would help him in his battles and in leading the village. Another plotline could be that he uses it to understand the motives of the Akatsuki members better and tries to convert some of them to the side of the Leaf Village.
One possible plotline could be Naruto having to find new ways to communicate his ninja skills and strategies without speaking. He might develop a unique sign language that only his closest friends can understand at first. Another plotline could involve Naruto's inner thoughts being more emphasized as he can't verbally express himself. His friends would have to learn to read his body language and expressions more carefully. And perhaps there could be a story arc where Naruto discovers a hidden power that is related to his muteness, like a special chakra that he can only access when he is silent.
One possible plotline could be Naruto struggling to keep his ninja duties while dealing with the illness. He might try to hide it from his friends at first. Another could be him seeking out rare medical ninjutsu or herbs to cure himself. Maybe he teams up with some unlikely allies in his search for a cure.
In this fanfiction, a plotline could be that Naruto is initially unaware of the full potential of his Haki. As he starts to explore it, he realizes that it can unlock hidden secrets about his family or the origin of the ninja world. This could send him on a quest to discover more. Also, the concept of Haki being a'slave' might imply that there is some dark force trying to control Naruto through the Haki. He has to fight against this internal and external control, which could be a major plotline. Additionally, his new power could attract the attention of powerful villains from other regions who want to either use Naruto or destroy him because of his Haki - enhanced abilities.