Kakashi could become more distrustful after meeting Tobi. Since Tobi is such a mysterious figure, Kakashi might start to suspect everyone around him more.
On the other hand, Tobi might show a different side of himself to Kakashi. Maybe he has some good in him that he has been hiding. This could lead to a change in Kakashi's perception of Tobi from being just an enemy to someone more complex. Also, Kakashi might learn new jutsu or skills from this encounter, as he is always looking to improve. And for Tobi, he might start to question his own motives after interacting with Kakashi, who is known for his strong sense of justice.
In this fanfiction, perhaps Kakashi and Tobi meet in a battle. Kakashi might initially be suspicious of Tobi's true identity. Tobi could be playing mind games with Kakashi, trying to throw him off his game.
For Naruto, he could become more refined in his skills and strategies under Female Kakashi's influence. He might also learn to be more patient and observant, taking after Kakashi's calm demeanor. For Female Kakashi, she could become more open and warm - hearted, influenced by Naruto's positive energy and his ability to see the good in people.
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.
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.
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.
One possible character development for Naruto is that he becomes more cautious. Kabuto has been a sly and unpredictable character. Meeting him might make Naruto less likely to trust so easily. On Kabuto's side, he could develop a sense of self - worth outside of being Orochimaru's subordinate. He might start to see himself as an individual with the potential to do good, and his character could transform from a somewhat villainous figure to an anti - hero or even a hero, depending on how the fanfic unfolds.