Sasuke is often involved too. In many fanfictions, his rivalry with Naruto takes on a new dimension when the Six Paths power comes into play. He might either be jealous of Naruto's new power or try to find a way to equal it on his own.
The Sage of Six Paths also makes appearances in a lot of these fanfictions. Sometimes as a guiding spirit for Naruto, providing him with wisdom about how to use the power, or in flashbacks that explain the origin and true nature of the Six Paths power.
In this fanfiction, Naruto is bound to be a main character. Alongside him, there could be antagonists who are interested in the power of the Six Paths Senjutsu for their own evil purposes. These could be new villains or old foes with a new motivation. Also, characters like Jiraiya might make an appearance, either through flashbacks or some sort of spiritual guidance, as he was Naruto's mentor and had knowledge about various ninja arts, which could be related to the Six Paths Senjutsu in some way.
Obviously, Naruto is one of the main characters as the story is centered around him being the son of six paths. Sasuke could also be a main character as he has always been Naruto's rival and friend. Their relationship would likely be further explored in this fanfiction.
Obviously, Naruto is the main character since it's about him being the Sage of Six Paths. But other characters like Sasuke are often important too. Sasuke might be Naruto's ally or sometimes a rival even with Naruto's new status.
Hinata could also be a main character. Her relationship with Naruto could take on new dimensions as he becomes the Sage of Six Paths. Maybe she helps him in some way to control or understand his new powers, or they face challenges together that test their relationship.
Naruto himself is often a central character in 'naruto destruction fanfiction'. Since he is the main protagonist of the original series, fanfiction writers like to put him in situations where he has to deal with destruction. Sasuke is also frequently involved as his rival, and their relationship can be explored in the context of destruction, like if they have to work together to stop a greater threat of destruction.
Well, Naruto is obviously a main character in most of these. But there could also be Sasuke. He might be either an ally or an adversary in relation to the dagger. For example, if the dagger has a power that can either be used for good or evil, Sasuke could be tempted by its darker potential.
Some fanfictions might also include characters like Kakashi in important roles. As Naruto's former teacher, he could be a guiding figure or someone who has to adapt to Naruto's new level of power. He might also be involved in trying to keep Naruto's power in check if it starts to have negative effects on the ninja world.
Naruto himself is often a main character in naruto helmet fanfiction. Since he is the protagonist of the original series, it makes sense that he would be involved with a special helmet in fan - created stories. He could discover the helmet's powers and use them to become even stronger.
Naruto himself is often involved. Since he's the main character of the original series, in fanfiction with loopholes, he might use some loophole to achieve his goal of becoming Hokage faster or getting stronger in a unique way. Sasuke could also be a main character in such fanfictions. He might find a loophole to deal with his quest for revenge or his power - seeking in a different manner.
In many Naruto scream fanfiction, Kakashi Sensei can also play an important role. He might be trying to teach Naruto how to control his scream in a more strategic way, or he could be using Naruto's scream as a signal during a mission. Also, characters like Jiraiya might be involved. Jiraiya could be training Naruto to use his scream as a form of attack or defense, as part of some new and unique jutsu.