Perhaps it reveals secrets about Naruto's family that were previously unknown. For example, there might be a connection to an ancient clan that was banished from the village long ago, and this fanfic explores how that heritage affects Naruto's character and abilities. It could also show some unique powers or items that are passed down through his banished heritage.
In this fanfiction, perhaps Naruto's hidden jutsu legacy could be revealed. Maybe it shows some secret techniques that he developed but never got to show during the original series.
It could be revelations about Naruto's family heritage that was not fully explored in the original series. Maybe secrets about his parents' past deeds or hidden powers within his bloodline.
Naruto would surely be one of the main characters since it's about his heritage. There might also be his friends like Sasuke and Sakura as they react to the revelations about Naruto.
In 'dark naruto heritage revealed fanfiction', it might explore the idea that Naruto's heritage has been concealed for a reason. It could be that his true ancestry is linked to a dark prophecy or a powerful and dangerous bloodline ability. This discovery could set off a chain of events where Naruto has to either embrace or reject this new aspect of his heritage. He may find himself at odds with his friends and allies as they struggle to understand and accept this new Naruto, and he may have to face enemies who are interested in his new - found heritage for their own malicious purposes.
The fanfic could develop the concept by exploring the cultural aspects of the banished heritage. Maybe there are unique traditions, languages, or ways of thinking that come with it. Naruto then has to learn and adapt to these aspects, which in turn shapes his identity as a ninja. This could lead to new story arcs where he uses the knowledge from his heritage to overcome challenges or make new allies.
Iruka sensei could play an important role. He has known Naruto since he was a child and might be able to provide some insights or memories that are relevant to Naruto's newly - revealed heritage.
I'm not sure exactly as it depends on the specific fanfiction. But it might revolve around Naruto's departure and what he leaves behind for the village in terms of heritage, like his teachings or new ninja techniques.
In the 'Banished Naruto's Parents Revealed Fanfiction', his parents could be presented as having been part of a group that was at odds with the village leadership. Maybe they were trying to bring about some kind of change that the elders didn't like. So, when Naruto was born, they were seen as a threat, and Naruto was made to suffer as a result. This would be a departure from the more heroic and straightforward view of them in the original series.