I'm not sure about the exact plot of that specific 'naruto heir to uzumaki fanfiction' as there are many different ones out there. But generally, it might involve Naruto inheriting some special Uzumaki clan powers or legacies. Maybe he discovers new jutsu related to the Uzumaki's sealing techniques or has to face challenges that come with being the heir to such a powerful clan.
Obviously Naruto would be one of the main characters since it's about him being the heir to the Uzumaki. Sakura and Sasuke might also be important characters as they are Naruto's friends and comrades. There could also be some original characters created specifically for the fanfiction, like an old Uzumaki sage who guides Naruto on his journey as the heir.
Well, it could focus on Naruto exploring his Uzumaki heritage more deeply. Maybe he discovers ancient Uzumaki jutsu or artifacts that give him new powers.
The Akatsuki could also be antagonists in this fanfiction. They might see the Uzumaki bloodline as a threat or as a valuable asset to their goals. So they would target Naruto not just as a jinchuriki but also as the heir of the Uzumaki clan.
Well, it could be about Naruto exploring his Uzumaki heritage more deeply. Maybe he discovers some long - lost Uzumaki jutsu or secrets that help him in battles or in uniting the ninja world.
Perhaps an old enemy of the Uzumaki clan, long thought to be defeated, resurfaces. They see Naruto as a threat because of his position as the heir and aim to eliminate him before he can fully embrace his Uzumaki heritage and power. This could be someone with a vendetta against the Uzumaki for past events, like a clan that was defeated by the Uzumaki in the past and now wants revenge.
In this fanfiction, the heir of Uzumaki could have a special connection to the magical creatures in the Harry Potter world. Their Uzumaki heritage might allow them to communicate or bond with creatures in a unique way. They could use this connection to solve mysteries or help in battles against dark forces. For instance, they might be able to convince a group of centaurs to join the fight against Voldemort by using their charm and unique heritage.
Perhaps it could be an already existing character from the Harry Potter series who is revealed to have Uzumaki blood. For example, Neville Longbottom could be secretly an heir of Uzumaki. His clumsiness could be a cover for his latent Uzumaki powers which could be awakened during a crucial moment in the story.
In many fanfictions, Naruto might obtain the Uzumaki sword through a hidden inheritance. Maybe it was left behind by an ancient Uzumaki clan member and Naruto discovers it in a secret location, like an old, forgotten Uzumaki shrine.
Naruto Uzumaki in fanfiction often has different portrayals. Young Naruto in fanfictions can be shown in various new adventures. Writers might explore his growth in unique ways, like making him face challenges that were not in the original story. This allows fans to see different aspects of his character and how he could have developed under different circumstances.