The main plot might be that the mushroom is a sentient being in the fanfic. Hagoromo forms an unlikely alliance with it. Together, they face challenges from other powerful entities in the Naruto universe who see their union as a threat to the existing power balance. This could lead to battles, revelations about the true nature of chakra and the world, and ultimately a new era for the Naruto world.
Perhaps the fanfic's main plot revolves around how the mushroom is a key to unlocking a new level of power related to Hagoromo's heritage. It might involve a journey where Hagoromo has to find and understand the true nature of the mushroom to save the ninja world from a great threat.
I'm not entirely sure specifically which 'naruto hagoromo mushroom huge fanfic' you're referring to. There could be many fan - created stories in the Naruto fandom that might involve Hagoromo and some sort of mushroom element in a very creative and perhaps out - of - the - ordinary way. It could be a story that combines the mythology of Hagoromo in the Naruto universe with some sort of fantastical mushroom concept, perhaps related to power - ups or new abilities.
I'm not entirely sure specifically what that particular fanfic is about as there could be many different interpretations. It might involve elements related to Hagoromo from Naruto and some sort of mushroom remnant in a fictional story created by a fan. Maybe it has to do with a unique power or mystery associated with these elements within the Naruto universe.
You could try searching on popular fanfic websites such as FanFiction.net or Archive of Our Own (AO3). They have a large collection of Naruto - related fanfics, so there's a chance you'll find the 'naruto hagoromo mushroom remnant fanfic' there.
Perhaps the mushroom is a rare and magical item that is said to grant great power. Jiraiya has been searching for it for years to use it against a powerful enemy. Naruko accidentally discovers its location. At first, Jiraiya is hesitant to involve Naruko, but she convinces him that she can be of help. As they try to retrieve the mushroom, they face many challenges, including traps set by other ninja who also want the mushroom for their own purposes.
One possible plot could be that Naruto discovers he is a reincarnation of Hagoromo. This leads to him having to deal with newfound powers and responsibilities. He might have to face an ancient evil that only he, as Hagoromo's reincarnation, can defeat.
Another theme is destiny. The idea that Naruto has a special destiny related to Hagoromo is often explored. For instance, fanfics might show how Naruto was fated to receive Hagoromo's help to fulfill a greater purpose for the ninja world, like bringing peace or unifying the clans.
A 'naruto son of hagoromo fanfic' could be really interesting. It might explore Naruto's potential powers being the son of Hagoromo. Maybe it would show Naruto having an even deeper connection to the Sage of Six Paths' abilities like enhanced chakra control or new jutsu related to Hagoromo's powers.
A Naruto Hagoromo Ootsutsuki fanfic is often a creative take on this important character from the Naruto franchise. Fanfic writers might give Hagoromo new challenges to face, different from what we saw in the official story. They could introduce new characters that interact with him in unique ways. It could be a story about Hagoromo's early days, his training, or how he came to understand the power of chakra. These fanfics allow fans to expand on the Naruto universe and explore the character of Hagoromo in ways that the original story didn't fully cover.
In such a fanfiction, perhaps Naruto could be disillusioned with Hagoromo's teachings or power. Maybe he discovers some dark secrets about Hagoromo that lead him to abandon the connection. For example, if Hagoromo's actions in the past were not as noble as they seemed, Naruto, with his strong sense of justice, might decide to part ways.
In such a fanfiction, Naruto might quickly master powerful jutsus. Hagoromo could teach him the secrets of chakra that no one else knows. Naruto would likely become extremely powerful, maybe even unlocking new forms of Sage Mode or a unique power related to Hagoromo's own abilities.