It could also be that his future self shows him some powerful magic that he will master in the future. This could inspire current Harry to study harder and strive to reach that level of magical ability sooner. He might be shown some advanced spells or magical techniques that are crucial for future battles.
Well, he might learn about his future achievements. For example, he could find out if he becomes the greatest hero. Maybe his future self gives him some advice on how to deal with upcoming villains more effectively.
There are many possibilities. The future Tsuna could be there to warn the present Tsuna about making certain mistakes. He might reveal secrets that are crucial for Tsuna's development. For example, if there are some hidden powers or alliances that Tsuna needs to be aware of. Also, the encounter could be a turning point in Tsuna's character development, making him more confident and determined to face the future.
In the fanfic, when Harry meets his parallel self, they could team up. They could combine their magical skills and knowledge. For example, if one Harry has mastered a particular spell better than the other, they could teach each other. This union could make them a very powerful force against any dark magic that threatens their world.
In this fanfiction, Steven could learn valuable lessons from his future self. For example, he might find out how to better use his powers or how to handle difficult situations with the Crystal Gems. Maybe his future self would warn him about upcoming threats and how to avoid them.
In the 'natsu meets his future self fanfiction', one possibility is that his future self warns him about certain events that are going to happen. For example, about an upcoming battle that is more dangerous than any he has faced before. His future self could also show Natsu new magic techniques that he will develop over time. It could also be a situation where Natsu's future self is not what he expected, perhaps having made some mistakes that Natsu now has the chance to avoid.
Well, perhaps Percy's future self comes back to warn him about something. It could be about an upcoming danger that he needs to avoid. Or maybe his future self has some wisdom to impart, like how to better handle his relationships with his friends or family. This encounter could change Percy's perspective on a lot of things in his current life.
Well, perhaps his future self shows Nico a different path he could take in life. For example, if Nico is currently on a path that leads to loneliness in the future, his future self might encourage him to be more open and make more friends. This could lead to a whole new set of adventures and character development for Nico. It could also be that his future self has achieved great things, and gives Nico the motivation and guidance to strive for similar goals.
One interesting scenario in 'naruto meets his future self fanfiction' could be that Naruto's future self has a completely different appearance or set of abilities due to some unforeseen events in the future. This could shock the present Naruto and make him more curious about what the future holds. His future self could also share some secrets about the hidden powers within him that he hasn't discovered yet, leading to a whole new journey of self - discovery for the current Naruto.
Well, it might be that Hiccup's future self shows up at a crucial moment in the present. He could warn Hiccup about a big mistake he's about to make, like trusting the wrong person. This would then lead to Hiccup re - evaluating his decisions and taking a different path. Maybe it also involves some revelations about his future family and how his actions in the present will affect them.
They could also have a philosophical discussion. Past Kratos has a lot of unresolved issues, especially regarding his past deeds. Future Kratos, having had more time to think about it all, could share his insights. For example, he might talk about how he has come to terms with his past and how past Kratos can start that journey too. This encounter could be a turning point for past Kratos's character development.