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.
One possibility is that there are some unforeseen consequences to Hagoromo's gifts to Naruto. These consequences could be harmful to Naruto's friends or the village. Naruto, being the selfless hero he is, would rather abandon Hagoromo's influence than let his loved ones suffer. He might start to question whether Hagoromo really had the best intentions all along.
Perhaps it could be another entity related to Hagoromo. If Naruto abandons Hagoromo, there might be a counterpart or a follower of Hagoromo who sees Naruto as a threat or a traitor. This person could then become the main antagonist, trying to either bring Naruto back to Hagoromo's side or simply eliminate him.
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.
Well, it could be about the main character having special powers inherited from Hagoromo. Maybe they have to face new threats that only someone with Hagoromo's blood can handle.
Perhaps Hagoromo's brother was wrongly accused of something in the past and sealed away. Naruto discovers his existence and frees him. In return, the brother tells Naruto the true history of the ninja world, including secrets about the origin of chakra that no one else knows. This knowledge helps Naruto to bring about a new era of peace and understanding among all the ninja clans.
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.
In such a fanfiction, perhaps Naruto could become bitter at first. He might feel extremely lonely and start to question his self - worth. This could lead him to go on a journey of self - discovery alone, away from the Hidden Leaf Village that he once called home.
Well, it could be that Naruto, for some reason, is abandoned in Iwa. Maybe he discovers some dark secrets about Iwa that make the villagers turn against him. He might then have to use his ninja skills and wits to survive and find a way out of the situation.
One possible plot could be that Naruto is found by a group of outcasts. They decide to raise him away from the Hidden Leaf Village. As he grows, he discovers his own unique powers that are different from the normal ninja skills in the village. He then has to decide whether to return to the village that abandoned him or create his own path with his new family.
Well, in such a fanfiction, Naruto might initially be filled with anger and confusion. He may have a harder time connecting with his peers in the village. As he gets older, he could start to piece together the events that led to Kushina's abandonment. Maybe there was some dark force or misunderstanding that caused it. This could lead to a whole series of adventures where he tries to set things right or find a new family in the form of his friends and mentors.
Well, one key plot point could be Naruto's discovery of his connection to Hagoromo. Maybe he starts having strange dreams or new powers that are linked to Hagoromo's abilities. Another could be how the ninja world reacts to this revelation. Some might see him as a savior, while others could fear his new - found powers.