His character arc takes a dark turn. He would likely be filled with guilt and self - loathing. Instead of growing towards peace and unity as in the original story, he is now on a path of self - destruction or redemption, depending on how the fanfiction unfolds. For example, he might try to atone for his sins by isolating himself or seeking some form of punishment.
Naruto would likely become more confident. Knowing he has a clan that accepts him would boost his self - esteem. He might not be as much of an outcast as in the original story, and this could lead to a less boisterous personality, as he doesn't have to constantly seek attention to be noticed.
Naruto's character could develop a stronger sense of identity. Knowing that the Uzumaki clan saved him, he would be more curious about his heritage. This might make him more confident in his abilities as he realizes the power that runs in his blood. He could become more strategic in battles, incorporating the Uzumaki clan's fighting techniques into his own style.
Well, he could start a family with Hinata and have lots of kids, passing on his Uzumaki bloodline. Then, he could encourage his friends who have some Uzumaki connection, like Karin, to also have families and pass on their Uzumaki genes. He could also set up a school or training center in the Uzumaki land, teaching the Uzumaki ways of life and ninjutsu, which would attract orphans or those who want to be part of the Uzumaki clan.
He may feel more proud. Knowing about his clan's great history and abilities, like their sealing techniques and strong life force, could make him see himself as part of a powerful legacy. So he might hold his head a bit higher and have more confidence in his own abilities.
Naruto could also offer incentives for Uzumaki to have children. For example, providing better living conditions, education, and protection. He might also use his influence to find suitable partners for the remaining Uzumaki members, both within the village and from other allied villages. This way, they can start new Uzumaki families and gradually increase the clan's numbers.
Well, it completely flips Naruto's relationship with his own clan. In the original story, Naruto is proud of his Uzumaki heritage. But in this fanfiction, his hatred changes the emotional core of his character. It might also change his relationships with other characters who are related to the Uzumaki clan, like Hinata, since she's his wife and Naruto's new attitude towards the clan could create tension.
It could make some readers view him as more complex. Instead of just the one - dimensional hero, he now has this dark action in his story. Some might think he's still a hero but one who has to make the toughest of choices. Others might see him as a tragic figure, forced into a situation where he has to do something unthinkable.
Well, first of all, Naruto would need to address the stigma and fear that might be associated with the Uzumaki name due to past events. He'd use his own story of being an outcast turned hero to inspire those with Uzumaki blood. He could also establish a safe haven for the Uzumaki clan, a place where they can live without fear of persecution. And of course, he'd train the new Uzumaki members in combat and survival skills, just like how the Uzumaki were known for their strength in the past.
Well, in this fanfiction scenario where Naruto kills the Uchiha clan, it would mean the end of the Sharingan bloodline in a very unexpected way. This would have huge implications for the ninja world. Without the Uchiha, there would be no potential for the Mangekyou Sharingan or the Eternal Mangekyou Sharingan. The balance of power in the ninja world might shift as the Uchiha were quite powerful. And Naruto himself would be a very different character. He's always been about protecting and saving people, so this act would make him a much darker and more complex figure, almost an anti - hero.
They could change the storyline by providing Naruto with a stronger support system. Since they are his clan members, they might have knowledge and skills that can help him in his battles and his journey to become Hokage. For instance, they could teach him some powerful Uzumaki sealing techniques that no one else in the village knows.