Hinata might become more determined. After crying over Naruto's death, she could realize that she needs to be stronger. So she might start taking on more leadership roles in the village, using her Byakugan skills more effectively.
Naruto, being the energetic and battle - loving guy he is, would likely be on the edge of his seat, eager to see who comes out on top in each death battle. He might be making bets with himself about the outcomes. Hinata, with her gentle nature, would be a bit more subdued. However, she would also be intrigued. She might be more concerned about the safety of the fighters, even though it's just a fanfiction battle. And when a fight gets really intense, she might clutch Naruto's arm without realizing it, while Naruto is too engrossed in the action to notice at first.
Hinata would likely become more independent. For example, if she was often relying on Naruto for emotional support, she'd have to find that within herself. She might become more assertive in the village, using her skills to protect it as Naruto did.
One popular 'naruto hinata death fanfiction' might involve Hinata sacrificing herself to save Naruto during a powerful enemy attack. In some stories, her death could lead to Naruto's descent into a darker state, vowing vengeance against those who caused her death.
One possible plot could be that Naruto sacrifices himself to save the village from a powerful enemy. Hinata, who loves Naruto deeply, is devastated. She might cry as she remembers all their moments together, from when they were kids to their more recent interactions. In the fanfiction, she could then take on Naruto's will and strive to protect the village in his honor.
At first, Naruto would be shocked. He might be angry at Hinata for slapping him. But then he would start to think about why she did it. If he realizes his mistake, he could become more cautious around her. Hinata, on the other hand, would probably feel a bit guilty for slapping him, but also relieved that she got her feelings out.
In some fanfictions, Naruto and Hinata start a family right away. They enjoy a peaceful life in Konoha, with Naruto being a great Hokage and Hinata supporting him at home and also taking part in some village activities.
Many fans are divided. Some are intrigued by the different plotlines that Hinata's death can bring. For example, it can create a lot of character development for Naruto and other characters. But others are against it as they prefer the happy - ever - after scenario for the couple. They may write their own versions to counter the death fanfiction.
Well, in such a fanfic, Naruto's rage might manifest as a sudden burst of power during battles. For example, when facing a strong enemy, his anger could make his attacks more intense and less controlled. He might also be more reckless in his actions, not thinking about the consequences as much because the rage is clouding his judgment.
He might meet his sensei, Jiraiya. They could have long talks about Naruto's growth as a ninja and Jiraiya could give him more wisdom from the afterlife perspective.