His character development could be complex. He might go back in time and initially try to use his knowledge for his own gain, like trying to take over the Jedi Order earlier. But as he experiences the past more fully, he realizes the importance of balance in the Force and starts to change. He could end up becoming a more balanced Force user, neither fully Jedi nor Sith. This would be a significant departure from his original character arc in the movies.
In a 'goes back in time' fanfiction, Kylo Ren's character could develop by facing his inner demons in a different context. For instance, if he goes back to when his family was intact, he has to confront his feelings towards them in a new light. He might see how his actions in the future affected his family in the past. This self - reflection could lead to a more empathetic and less angry version of Kylo Ren. He could start to value relationships and the light side of the Force more, which would be a huge transformation considering his initial state as a dark - side user.
Kylo Ren's character could develop in a more positive way. If he goes back in time, he might see the mistakes of the past and decide to be a better person. For example, he could see how the Sith's ways led to destruction and choose the path of the Jedi instead.
Kylo Ren was originally Ben Solo. He was the son of Han Solo and Leia Organa. Ben was strong in the Force but was seduced by the dark side. Snoke took him under his wing and trained him to be a powerful Sith - like figure. He then took on the name Kylo Ren, causing much pain to his family and getting involved in the conflict between the First Order and the Resistance.
If Kylo Ren went back in time in fanfiction, he might try to change the events that led to his fall to the dark side. Maybe he would go back to a time when he was still Ben Solo and prevent himself from being influenced by Snoke. He could use his knowledge of the future to avoid the mistakes he made.
In this fanfiction, Deku's character development could be quite complex. Going back in time, he may initially be overconfident because he thinks he knows what's going to happen. But as he realizes that changing the past has unforeseen consequences, he becomes more cautious. He also might develop a deeper understanding of his friends and their potential, as he gets to see them at an earlier stage. He could start mentoring some of them, which would in turn make him more responsible and mature as a character.
She could become more independent. In 1918, she would be in a strange time without her usual support system. This would force her to rely on herself more, making her stronger.
She might become more empathetic. Meeting people from the past, especially those who were suffering or in difficult situations, could make Serena more understanding. She could see the world from a different perspective and this would change how she interacts with others in her own time. For example, if she sees how people in the past fought for equality, she may be more involved in similar causes in her present.
She might become more confident in her earlier years. In the original story, Arya faced many hardships that made her grow in a certain way. But if she goes back in time, having the knowledge of future events, she could be bolder in her actions and decisions from a young age. For example, she might be more assertive in dealing with Sansa when they were kids, and not let Sansa's girly ways get to her as much.
Going back in time gives Severus the opportunity to develop a different relationship with power. In the original timeline, his pursuit of power through the Dark Arts and association with Voldemort led to many problems. But if he goes back, he could use his knowledge to gain power in a more positive way. He could become a powerful force for good in the wizarding world, using his intelligence and skills to promote peace and cooperation. His character would then be seen as a reformed and wiser version of himself, rather than the conflicted and often tragic figure he was in the original story.
Noctis' character could develop a greater sense of responsibility. Since he has seen the consequences of his actions in the future, he would be more cautious and calculated in his decisions when he goes back in time. He might also become more self - reliant as he realizes he can't always rely on the same people or circumstances. For example, if he lost someone important in the future due to his actions, he would be more independent in his choices to prevent that loss again.
He would likely become more cautious. After experiencing such tragedies in his first 'life', he would think twice before making hasty decisions. This could make him a more calculating and less impulsive leader.
Lily's character could develop by becoming more determined. As she tries to save Sev, she faces numerous obstacles, and each one makes her more resolute. For example, if she has to face dark wizards or deal with difficult magical situations, she will grow stronger.