In some 'naruto otsutsuki legend fanfiction', the relationships between the Otsutsuki and other Naruto characters are re - imagined. For example, how they interact with the main characters like Naruto or Sasuke in different ways than in the official story. It could add new layers to the existing Naruto universe.
Another aspect could be the origin stories within the fanfiction. Since the Otsutsuki have a mysterious background in the original series, fanfictions might expand on their history, like where they truly came from, what their initial purpose was in coming to the Naruto world, and how they evolved over time.
One interesting concept is the exploration of the Otsutsuki clan's ancient powers. Fanfictions often delve into how these powers could be harnessed or misused. For example, a story might show a character learning to control the unique dojutsu of the Otsutsuki in new and unexpected ways.
One interesting concept could be exploring Hagoromo's early life in more detail. Maybe his relationship with his family members, like his mother or father, who are not much explored in the original series.
One interesting concept could be exploring the unique powers of the Otsutsuki clan in more depth. For example, how their different doujutsu abilities interact with the existing ninja world. Another could be delving into the backstories of Otsutsuki characters that were not fully explored in the original Naruto series.
One interesting idea could be exploring the unique powers that the otsutsuki clan brings into the Naruto universe. For example, how their god - like abilities might change the power dynamics among the existing ninja clans. Another idea could be the relationships between Naruto and otsutsuki characters. Maybe Naruto has to learn from them to gain new skills for protecting his village.
One positive aspect is the exploration of character depth. Naruto is a very complex character with strong beliefs, and Kaguya has a very tragic and mysterious past. When combined in fanfiction, it can lead to a deeper understanding of both characters. For example, Naruto's determination could be pitted against Kaguya's jaded view of the world.
One interesting fanfiction could be about Hamura Otsutsuki's hidden adventures on Earth that Naruto discovers. Maybe there are ancient secrets that only Hamura knew and Naruto stumbles upon them while on a mission.
Kaguya Otsutsuki is often a central character. She has a significant role in the original Naruto lore related to the Otsutsuki, and in fanfictions, her backstory might be further elaborated or her powers could be enhanced or explored in different ways.
One idea could be a story where a young ninja discovers they have a hidden Otsutsuki bloodline power that gives them the ability to control gravity. This power sets them apart from their peers and makes them a target for both those who want to use their power and those who fear it.
One idea could be a crossover where Naruto's Otsutsuki powers somehow connect with the supernatural elements in DxD. For example, his ability to absorb and use chakra could be related to the magic in DxD. Maybe he could use his Otsutsuki powers to enhance the abilities of the devils or angels he meets in the DxD world.
One idea could be a story where an Otsutsuki member infiltrates the Akatsuki. They could have their own secret motives that conflict with the Akatsuki's goals, like using the Akatsuki as a tool to gather more chakra for their own clan's needs. Another plot could be about a young Naruto being mentored by an Otsutsuki in secret, and how this affects his relationship with the Akatsuki later on. Maybe he tries to persuade them to change their ways using the knowledge he got from the Otsutsuki.