Well, from the title 'legacy of the dark sage novel', it seems to be centered on the remnants or after - effects of a dark sage. This could mean that the story delves into things like the dark sage's unfinished business. For example, if the dark sage was researching a powerful and dangerous magic, his legacy could be the discovery of this magic and how it affects the characters in the novel. Or perhaps his legacy is in the form of a group of followers who are trying to either continue his work or reverse the harm he caused. There could also be a struggle in the story between those who want to use the dark sage's legacy for good and those who want to use it for evil.
In 'naruto the dark sage fanfiction', it may center around Naruto's transformation into a dark sage. This could include changes in his personality, his relationships with other characters. For instance, his friends might be a bit wary of him now. His appearance might also change to reflect his new, darker state. And the story could explore how he uses his sage powers in this new state, like if he uses them for revenge or to gain more power in a more self - centered way rather than for the good of the village like he usually does.
In 'naruto dark sage fanfiction', it could be that the story delves into the creation of a new kind of sage, a dark one. This could be a result of some experiment or a hidden part of the Naruto lore. The story might show how this dark sage affects the relationships between the characters we know from the original series. For example, it could change Naruto's perception of power or make Sasuke more interested in this new form of power. It might also introduce new villains or allies who are related to the dark sage concept, and the plot could revolve around the struggle for control or understanding of this new and potentially dangerous power source.
Since it's about the 'legacy of the dark sage novel', there could be a young apprentice who was once under the dark sage. This character might be conflicted about whether to follow the dark sage's path or break away from it. There could also be a wise old wizard who has knowledge about the dark sage and tries to guide others in dealing with his legacy. Another possible main character could be a brave knight who is tasked with destroying any evil remnants of the dark sage's works.
Since it's a Naruto - based fanfiction, Naruto himself would likely be a main character. There may also be other characters from the original Naruto series like Sasuke, Sakura, or Kakashi who could be involved in his journey as a dark sage.
One reason could be that Naruto discovers some dark secrets about the village that make him lose faith in it. Maybe something related to the 'dark sage' in the story reveals a side of the village's history or leadership that he can't accept. Another reason might be that he's framed for a crime he didn't commit, and instead of waiting for the village to believe in his innocence, he decides to leave. It could also be that he feels restricted by the village's rules and wants to explore a different way of being a ninja, which the dark sage figure represents in some way.
You can try looking on fanfiction websites like FanFiction.net or Archive of Our Own (AO3). They have a large collection of Naruto - related fanfictions, and there's a good chance you'll find some 'naruto dark sage fanfiction' there.
In a dark sage fanfiction where Naruto leaves the village, he might face many challenges alone. He could be hunted by the village ninjas at first as they might see his departure as a threat. He may also encounter powerful dark forces that the 'dark sage' aspect of the story might introduce. These forces could either try to use him or destroy him. Maybe he'll start to question his own beliefs and values that were once shaped by the village.
The Bone Sage was a Nascent Soul cultivator of the demonic path in the ❮ Mortal Cultivation Biography ❯. He had once taken in two disciples, Extreme Darkness and Extreme Brilliance, but they had plotted against him and sealed him in the cave abode of an ancient cultivator. Later on, he cooperated with Han Li and repeatedly attacked Han Li. In the end, the Bone Sage was killed by Han Li. The Bone Sage was only at the late Core Formation realm. His ending had something to do with the fact that he had been burned to death by the uncontrollable Shura Sacred Fire.
While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!
My answer may not be completely accurate because I don't know which literary work you are referring to. If you can provide more context, I will try my best to provide you with a more accurate answer.