It's possible that both characters grow in their spiritual powers. Their encounter could be a catalyst for their growth. Toshiro might learn new techniques from Isshin or vice versa. And in terms of their personalities, they could both become more open - minded. Toshiro could shed his previous rigidity and Isshin could become more trusting. Their relationship could go from one of suspicion or rivalry to one of mutual respect and friendship.
In this fanfiction, they might have a rematch of their previous battle. Maybe Toshiro has become stronger and wants to prove himself to Isshin this time.
Kakashi could become more distrustful after meeting Tobi. Since Tobi is such a mysterious figure, Kakashi might start to suspect everyone around him more.
Keith could develop a stronger sense of self - confidence. Comparing himself to Sasuke, who is a highly skilled ninja, Keith may strive to improve himself even more. Sasuke could develop a sense of camaraderie that he has long lost. With Keith by his side, he might start to trust others again. In addition, they could both develop a more global perspective, understanding different worlds and ways of life through their interactions.
Itachi might start to question his loyalty to the Akatsuki after meeting Minato. Minato's strong sense of justice and love for his village could make Itachi re - evaluate his own actions.
For Goku, he could gain a deeper understanding of his heritage. Meeting Bardock would make him more aware of his Saiyan side. He might become more confident in his Saiyan abilities. For Bardock, seeing Goku all grown up and powerful could give him a sense of peace. He could realize that his sacrifice was worth it and be proud of the man his son has become.
It could be that Mewtwo is on a quest to find its true origin or purpose. Ash joins Mewtwo on this journey. Along the way, they meet other powerful Pokémon and trainers. There are battles and competitions, but also moments of self - discovery for both Ash and Mewtwo. The fanfic might explore themes of identity, friendship, and the power of Pokémon in a more profound way through this plot.
In this type of fanfiction, Harry could develop a new sense of respect for his enemies. Meeting Lucius face - to - face might make him realize that even the most despicable characters have their own motives and insecurities. As for Lucius, he might be forced to re - evaluate his view of Harry. He may start to see Harry not just as a troublemaker, but as a real threat to his way of life. This could lead to him taking more extreme measures against Harry or, in a different turn, trying to co - opt Harry into his schemes.
Both characters could develop a mutual respect for each other. Steven would respect Blue Diamond's long history and power, while Blue Diamond would come to respect Steven's unique position as a bridge between two worlds. This newfound respect could change how they interact with their respective groups as well.
Vegeta could become more empathetic. Meeting Future Bulma might expose him to different perspectives and make him understand the consequences of his actions better.
Goku could develop a deeper sense of his Saiyan identity. Knowing his father, he might start to embrace more of the Saiyan warrior spirit. Bardock might change too, seeing the good in the universe through Goku's eyes.