Well, Naruto's character could go through a dark phase. Sakura's death would be a huge blow. He might question his own strength and abilities since he couldn't protect her. This could lead to him overtraining or taking on more dangerous missions recklessly in an attempt to prove himself and also to avenge Sakura.
Sakura's death could potentially make Naruto more empathetic towards others' losses. He has already faced so many hardships, but Sakura's death would add a new layer of pain. He may start to understand the pain of those who have lost loved ones in the shinobi wars more deeply. This could influence his actions in future diplomatic and peace - making efforts, as he would strive to prevent such losses for others.
Naruto might become more determined. With Sakura's death, he could see the harsh reality of the ninja world more clearly. It might make him more resolved to bring peace, as he has now lost someone important. He may also become more protective of his remaining friends, vowing not to let any more harm come to them.
Well, Naruto's death would likely shatter Sasuke. He has always had Naruto as a sort of anchor, whether he admitted it or not. His whole life has been intertwined with Naruto's. Naruto's death might make Sasuke question his entire purpose. He could initially be filled with rage and a thirst for revenge, thinking that he could have prevented it. This could lead him down a darker path at first. But eventually, it might also make him realize the importance of Naruto's ideals and he could strive to carry them on in Naruto's memory.
Well, if Sasuke dies in this fanfiction set in the Wave arc, Naruto would likely become more determined to avenge him. He might also grow more solemn and focused on his ninja training, realizing the fragility of life. His view of the world could shift from being a bit more carefree to a darker, more serious one as he grapples with the loss of his friend and rival.
It could make Naruto more introspective. He might question his own worthiness of Hinata's sacrifice. This could lead to him delving deeper into his own beliefs and values. He may also become more empathetic towards others who have lost loved ones, as he now has first - hand experience of that kind of pain. He would grow in maturity, realizing that his actions have consequences not just for himself but for those around him who care about him deeply.
One possible reason could be that she sacrifices herself to save Naruto from a powerful enemy. In the heat of battle, she might put herself in harm's way to ensure Naruto's survival.
Sakura's character could develop in terms of her emotional intelligence. She might break free from her insecurities and jealousies. For instance, she realizes that her feelings for Sasuke were more of an infatuation based on his popularity rather than true love. So she focuses on building a deeper and more meaningful connection with Naruto. She learns to understand his dreams and goals better and supports him in a more effective way, which in turn makes her a more well - rounded and likable character.
Naruto's character development often leads to him snapping at Sakura in fanfiction. As he grows stronger and more self - aware, he may not tolerate Sakura's behavior as he did before. For example, if Sakura is still pining for Sasuke in a way that seems naive, Naruto, who has matured, might snap to make her see reality.
Sakura's character can develop in terms of her emotional strength. With her parents' death, she has to learn to cope with intense grief, which could make her more resilient. For instance, she might start as a very sheltered and naive character, but the loss forces her to grow up quickly.
Sakura's regret could lead to her making amends. She might start doing things to show Naruto she's sorry, like helping him in his missions or protecting him. This changes the power dynamics between them and also affects how other characters interact with them, as they all witness this shift in their relationship.
Sakura would likely become more solemn. She might lose some of her more light - hearted qualities as the grief of Naruto's death weighs on her. For example, she may stop making her usual jokes.
Sakura in Naruto's body would have to develop in terms of handling power. Naruto has a lot of raw power and she'd need to figure out how to manage it without getting overwhelmed. This would likely make her more confident in her own abilities once she gets a taste of such great power.