Well, it could be that an evil wizard sends Natsu back in time as part of a devious plan. Natsu's younger self is full of energy and eager to prove himself. Natsu tries to warn his younger self about the wizard's true intentions. But his younger self is more interested in showing off his strength. As they interact, Natsu's older self reflects on how much he has grown over the years, and his younger self begins to see the value of listening to the experiences of others.
Maybe in this fanfiction, Natsu travels back in time on a quest to change a tragic event that happened in his past. When he encounters his younger self, he realizes how naive and impulsive he was back then. He starts teaching his younger self about the importance of self - control and strategy, which his younger self gradually starts to understand and apply.
In this fanfiction, Natsu's older self might have a better understanding of the consequences of his actions. When he meets his younger self, he can show him how certain choices in the past led to both good and bad outcomes. This would make the younger Natsu more cautious and thoughtful. Also, the younger Natsu's innocence and enthusiasm could remind the older Natsu of his lost youth, making him regain some of his earlier passion. Overall, both versions of Natsu would grow and change through their interactions.
In this kind of fanfiction, Natsu might have some really interesting interactions. He could try to warn his past self about future challenges or mistakes. For example, he might tell his younger self about a particularly difficult battle and how to better prepare for it.
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.
Perhaps in the fanfiction, Natsu meets Erza in a completely new setting, like a parallel universe where the Fairy Tail guild doesn't exist yet. They start off as strangers but quickly realize they have similar goals. Erza might initially be a bit distrustful of Natsu's wild ways, but as they face challenges together, such as a group of bandits attacking a village, they learn to trust and rely on each other.
Well, it could be about Nashi going on an adventure with Natsu. Maybe they discover a new magic together and have to fight some bad guys to protect their world.
In this fanfiction, Percy might be shocked at first to see his younger self. He could offer advice to his younger version, like how to better handle the challenges in the magical world. Maybe he'd warn his younger self about certain enemies or mistakes he made in the past.
In a fanfiction scenario where Naruto meets his younger self, it would be a very unique situation. Naruto might show his younger self some of the new jutsus he's mastered, like the Rasengan variations. His younger self would be eager to learn from him. Also, Naruto could talk to his younger self about his dreams and how he's still holding on to them, even after all the difficulties. This meeting could potentially change the course of his younger self's life, as he could be more determined to reach his goals faster with the knowledge of his future self.
Well, it could be that Deku's younger self is initially in awe of his future self. They might start training together, with the older Deku showing the younger one new moves and ways to improve his skills. Also, the older Deku could tell stories about his battles and how he overcame various villains, which would give the younger Deku more confidence.
Well, one possible scenario is that Ichigo could try to warn his younger self about the upcoming battles and hardships. He might give some tips on how to better control his powers from the start, which could potentially change the course of his journey in the original story.
Well, in such a fanfiction, there could be a lot of self - discovery. Maybe the old Merlin gives advice to his younger self. For example, he could tell the younger Merlin about future challenges and how to avoid some big mistakes.