Since Naruto has a strong connection with the Nine - Tails, he could create a bloodline ability that lets him tap into the Nine - Tails' power in a more controlled and unique way. Instead of just using the Nine - Tails' chakra for strength and speed boosts, he could use it to create a sort of chakra - based armor that not only protects him but also amplifies his own jutsu when he channels his chakra through it.
One idea could be that Naruto creates his own village as a place of true peace and equality. He invites all those who have been marginalized or ostracized from other villages to join. His village would have unique training methods that combine all the ninja arts he has learned from different places, like the shadow clone jutsu combined with Sand Village's puppet techniques for a new form of combat.
One idea could be that Naruto creates his sword using his chakra. He might infuse it with the power of his Nine - Tails chakra, making the sword have a unique orange glow. This sword could have the ability to cut through any jutsu, like a hot knife through butter.
He could start by gathering like - minded individuals. Maybe those who share his ideals of hard work and perseverance, like some of the underdogs he befriended throughout his life in the original Naruto story.
In this fanfiction scenario, Naruto's planet might be filled with lots of natural energy. Since he has a strong connection with nature through his Sage Mode. It could have giant toad - like mountains in honor of Mount Myoboku. And there would be areas dedicated to training, just like the Valley of the End, but on a much larger scale.
With Sakura, she might be in awe of Naruto's new power. She could try to study his bloodline to see if it has any medical applications. Their friendship could grow stronger as Naruto uses his powers to protect her in new and unexpected ways, like creating a bloodline - based shield during a dangerous encounter.
One possible powerful jutsu he could create is a time - freezing jutsu. This would allow Naruto to stop his opponents in their tracks, giving him the opportunity to either land a decisive blow or set up a more complex strategy. Since Naruto has always been about speed and surprise, this jutsu would add another dimension to his combat style.
Well, it could have the ability to manipulate time on a small scale. For example, the user could slow down time for a brief moment in battle, giving them an edge to dodge attacks or land precise strikes. This would be a really cool and unique ability compared to the existing bloodlines in the Naruto universe.
One way Naruto could create his own style fanfiction is by drawing from his unique life experiences. His journey from an outcast in the village to a respected ninja gives him a wealth of material. He could write about his training with Jiraiya, the challenges he faced in battles, and his relationships with friends like Sasuke and Sakura. This would give the fanfiction a very personal touch.