Naruto would likely become more withdrawn at first. He's used to being an outcast to some extent, but total rejection would hit him hard. He might start to question his own worth and his dreams of becoming Hokage. However, as time goes on, he could develop a stronger sense of self - reliance. He'd have to rely on his own skills and instincts more, which would make him a more formidable ninja in the long run.
His character could develop a sense of bitterness towards those who rejected him. But at the same time, he would also have a deeper understanding of the pain of being alone. This could lead him to be more empathetic towards other outcasts in the ninja world. He might also become more strategic in his actions, knowing that he can't count on the support of the village like he used to. He'd have to plan his every move carefully to survive and prove himself.
Naruto's character would likely become more withdrawn. He's used to having people around him, but now, with everyone against him, he'd be more guarded. For example, he might not be as quick to trust new people.
At first, Naruto might be deeply hurt by the rejection. But this could lead him to become more introspective. He may start to question his own actions and motives more. For example, he might wonder if his way of approaching Rias was too brash or if he misread the situation entirely.
His character would be shaped by the need for self - preservation. He may learn to hide his emotions better. Maybe he would become more perceptive of people's true intentions. He would grow to be more cautious in his interactions. Over time, as he endures the abuse, he could start to question the world around him and why people are so cruel. This internal struggle could lead to a more complex and mature Naruto, who still retains his core values of friendship and hope.
Naruto's character would likely become more stoic. Vergil is known for his calm and collected demeanor, so Naruto might start to suppress his more exuberant emotions. He could become more calculating in battles, thinking several steps ahead like Vergil does when facing his enemies.
Naruto might become more serious. Deadshot is a very serious and focused character. So Naruto could lose some of his goofy and carefree nature and become more calculating in his actions.
Naruto might become more cautious. Dealing with the Daleks, who are extremely dangerous and unpredictable, would force him to think before acting. His normal brashness might be toned down a bit.
Naruto's character would likely become more calm and introspective. He'd focus more on inner peace rather than external battles.
The plot could start with Naruto isolating himself. He would avoid his friends and stay away from the village. His friends would notice this change and try to reach out to him. But Naruto, being scared, would react badly. This would create a lot of confusion and worry among his friends. Then, as the story progresses, they would try to find out the reason behind his fear.
His character might be more hardened. Growing up with Yahiko, he'd be exposed to the harsher side of the ninja world earlier. So he'd be less likely to trust blindly.
Naruto's character would likely become more calculating. He'd still have his core values of friendship and protecting his village, but he'd approach things with more cunning. For example, in battles, he might study his opponents' weaknesses more carefully before attacking. His social skills could also change. He might be more selective about who he trusts, using his Slytherin side to analyze people's motives.