Well, one possibility could be that Naruto shows his memories to his friends to make them understand his past struggles better. For example, he might show them his lonely childhood, how he was ostracized by the villagers. This could lead to a deeper bond among them as his friends truly empathize with his journey.
In this fanfic, Naruto could be forced to show his memories in a battle situation. Maybe an enemy has a jutsu that forces him to relive and project his memories. His memories of his training with Jiraiya, the pain of losing his friends briefly, and his growth as a ninja could then be used against him or could inspire those around him to fight harder.
His closest friends like Sakura and Shikamaru would be very interested. Sakura, as she has been through a lot with Naruto and always cared about his well - being. Shikamaru, because he is intelligent and would want to understand Naruto's motives and past experiences better to strategize better in future situations.
In the 'harry shows his power fanfic', perhaps it's a story where Harry has to show his power in a wizarding competition. He might use his unique abilities like Parseltongue to outwit his opponents and prove his worth. He could also draw on his connection with the Patronus charm to protect himself and others during the tasks.
The memories of his relatives could also make Naruto more determined to protect the village. He could recall how his family sacrificed for the village in the past. This would give him a deeper sense of purpose. He might start to look into old family secrets that could be beneficial for the village's safety, like hidden jutsu or strategies that his relatives knew. These memories would be a source of strength and knowledge for him.
In the fanfic, Percy might show off his powers in a competition among demigods. He would display his combat skills along with his unique powers, like being able to communicate with sea creatures to gain an edge in the contest.
In the 'harry shows his slytherin side fanfic', it could be that Harry is influenced by Slytherin - related magic or a Slytherin - minded character. So he begins to value power and status more, and his actions become more devious. For example, he might manipulate situations to his advantage in a way that is more typical of Slytherin students. He may also form alliances with characters who have Slytherin - like qualities and distance himself from his Gryffindor friends.
The plot could also involve Naruto's memory loss being a result of some sort of dark magic or curse. And the male character in the Yaoi relationship has to go on a journey to find a way to restore Naruto's memories. During this journey, they grow closer and their relationship deepens in ways it wouldn't have if Naruto hadn't lost his memories. Their shared experiences during this time create a stronger emotional bond between them.
One possible plot could be that Ino, through some kind of jutsu or magical event, enters Naruto's memories. She might see his lonely childhood, his struggles with the Nine - Tails inside him, and his determination to become Hokage. This could lead to her having a deeper understanding of Naruto and perhaps changing her relationship with him, like becoming a more empathetic friend or even developing new feelings for him.
One plot twist could be that Naruto discovers secrets about the Uchiha clan through Minato's memories. Since Minato was Hokage and involved in village affairs, he might have known things about the Uchiha that were never revealed. Another could be that Naruto uses Minato's memories to find a new way to deal with the tailed beasts, perhaps a more peaceful co - existence method that Minato had been thinking about but never got to implement. Also, he could use Minato's memories to expose some traitors in the village who had been hidden for a long time.
Well, it could be about how the characters in Naruto's world react to his memories. Maybe they gain a new understanding of his pain and his journey. For example, his friends like Sasuke might see how much Naruto has always cared for him, even when they were at odds.
Harry's memories in fanfiction can really stir things up for the other characters. His memories of growing up with the Dursleys, for instance, might make some characters feel sorry for him and more inclined to offer him a real family - like the Weasleys might become even more motherly and fatherly towards him. And his memories of battles and narrow escapes can give the other characters valuable insights into the tactics of the enemy. They could use this knowledge to better prepare for future confrontations. In a way, Harry's memories are like a key that unlocks a deeper understanding among his comrades.