I haven't read this fanfic specifically. But generally, if Naruto is the son of Sephiroth in this fanfic, it would be a very interesting crossover concept. It might combine the ninja world of Naruto with the unique elements from the world where Sephiroth exists, like different powers and cultures.
Well, it could be about a really interesting crossover concept. Maybe it involves a character in the Naruto universe who is somehow related to Sephiroth. It might explore how the powers and characteristics of Sephiroth are incorporated into the Naruto world. For example, it could be about a ninja with Sephiroth - like abilities, like his super strength or his unique sword - fighting skills.
He could be a powerful antagonist. Picture him arriving in the Naruto world with his otherworldly powers. His sword skills and magic would make him a formidable foe for Naruto and his friends. He might be interested in obtaining some of the unique powers in the Naruto universe, like the tailed beasts' chakra.
I'm not sure specifically as I haven't read that exact fanfic. But generally, it might be a story where Naruto, who is in a godlike state, has some sort of connection or interaction with Sephiroth. It could involve Naruto taking on Sephiroth's characteristics or the two of them being in a strange new world together.
This fanfiction might be centered around the idea of Naruto being the son of Sephiroth. It could explore how Naruto's character develops with Sephiroth's influence. For example, Sephiroth is known for his great power and his somewhat tragic and complex backstory. Naruto might inherit some of that power and have to deal with the darker aspects of it. It could also show how the Naruto world reacts to the presence of someone with such an unusual heritage. There could be new storylines about Naruto facing challenges that are related to his new - found connection to Sephiroth, like dealing with enemies who are either after his power or afraid of what he could become.
One interesting Naruto Sephiroth fanfiction could be about Sephiroth somehow ending up in the Naruto universe and having to adapt to the ninja world. Maybe he teams up with Naruto to fight a common enemy. Another could involve Naruto learning some of Sephiroth's combat techniques and incorporating them into his own style.
In such a fanfiction, Naruto might grow up with a very different set of values and skills. Sephiroth is a complex and often dark character from Final Fantasy. Naruto could learn combat techniques that are far more ruthless compared to the ninja way. He might also develop a more solitary personality, as Sephiroth is not exactly a team - player. And his view of the world could be shaped by Sephiroth's own jaded perspective, leading to a Naruto who is less idealistic about the ninja world and more focused on power and self - preservation.
If Naruto becomes Sephiroth in fanfiction, it would change the nature of the story. The themes of the Naruto series, such as friendship, hard work, and perseverance, would be overshadowed by themes more in line with the Final Fantasy VII world, like the battle between good and evil in a more absolute sense. His character arc would no longer be about becoming the Hokage but rather about dealing with his new identity as Sephiroth. His appearance and actions would be so different that it would attract new readers who are fans of the Final Fantasy VII aesthetic, while also potentially alienating some traditional Naruto fans who prefer the original Naruto character.
If Sephiroth taught Naruto in a fanfiction, it could lead to a huge shift in Naruto's power level. Naruto is known for his positive attitude and his will to protect his friends. But with Sephiroth as a teacher, he might also start to question some of his values. Sephiroth could introduce Naruto to a more solitary and self - centered way of fighting. Naruto might struggle with this new ideology at first, but it could also make him stronger in the long run as he tries to find a balance between his old and new teachings.
Since it's a fanfiction, it could vary. But most likely, there would be a character who is the so - called descendant of Sephiroth. In addition, Naruto characters like Naruto himself, Sasuke, or Sakura might be involved. The descendant character would be central, probably having some of Sephiroth's traits like his long silver hair or his cold demeanor. And Naruto and his friends would be there to interact with this new and strange character.