Naruto's personality would likely become more cynical. He's used to believing in the good in people, but as an assassin, he'd see the darker side of humanity more often. This could make him more distrustful. He might also become more calculating, always thinking about his next move and how to eliminate his targets without getting caught. His once - exuberant and positive nature could be toned down, replaced with a more solemn and focused demeanor.
His personality would become more reserved. As an assassin, he couldn't be as open and friendly as he used to be. He'd have to keep his emotions in check to avoid being detected.
His once optimistic and determined personality would turn cynical. Instead of seeing the good in people, he would suspect everyone. For example, he would no longer trust his friends easily. His sense of humor would disappear, replaced by a cold and sarcastic attitude. He would become more secretive and withdrawn, not sharing his thoughts and feelings like he used to.
Naruto's personality would become more brooding. He would be less impulsive and more calculating, like Batman. He might not be as openly friendly as he was before, keeping his thoughts and plans more to himself.
His positive and determined personality would turn into a cynical and cruel one. He might lose his sense of justice and become self - centered.
Naruto's personality would change in several ways. He would become more aggressive, which is a big part of Wolverine's character. He might be quicker to anger and less patient. However, he would also have a sense of loyalty like Wolverine. His old self - sacrificing nature would still be there but it would be expressed in a more Wolverine - like way, being more protective and ready to fight for those he cares about without hesitation.
Naruto's personality would likely become more patient. As a medic nin, he would need to be calm and focused during treatments. His impulsiveness would probably decrease as he realizes that any hasty move could harm a patient. He might also become more empathetic, understanding the pain and suffering of others on a deeper level.
His personality might become more aggressive. The demon nature could bring out his primal instincts, making him less patient and more prone to anger.
Naruto's normally sunny and optimistic personality would likely become darker. He might be more brooding and less quick to trust. His sense of humor would probably take on a more sardonic edge as the power of Jack of Blades seeps into him.
He might become more patient. As a dad, he has to deal with his kids' tantrums and mistakes, so patience is key.
If Naruto becomes involved with Slenderman in a fanfiction, his usually cheerful and determined personality might become darker. He could be more withdrawn as he grapples with the strange and often terrifying aspects of Slenderman's world.
He might become more cynical. Instead of seeing the good in people like he used to, he starts to suspect everyone's motives. For example, he may no longer trust his friends easily.