Percy could also become more cynical. After being banished unjustly, he may start to question the fairness of the demigod world and those in power. He might be less trusting of others and more guarded in his relationships.
He might become more independent. Without the support of his usual allies, he has to rely on himself. So he could learn new skills like hunting for food in the wild or building shelters. This would make him a more self - sufficient character.
Percy becomes more confident. The blessing gives him a sense of invincibility, which at first might make him a bit overconfident, but as he faces challenges, he learns to temper it. He also becomes more in - touch with his darker side. Since the Styx is related to the underworld, he has to come to terms with the more shadowy parts of his nature.
Naruto's character could develop in a way that he becomes more of an outcast hero. He might start to fight for the rights of those who are wrongly banished or persecuted. His experience of being banished gives him a unique view on the world, and he uses this to challenge the norms of the ninja world when he returns or while he is away, depending on the plot of the fanfiction.
He might rely on his skills and the powers he already has. His control over water could help him find sources of water in Tartarus for survival. Also, his combat skills would be crucial in fending off the various monsters there.
He might become more independent. Without the protection of his parents, he has to fend for himself. So he could learn survival skills faster and become stronger in combat.
After absorbing Kronos, Percy's character could develop in several ways. He could become more confident in his abilities due to the extra power, but also more cautious as he realizes the potential danger of what he's absorbed. His relationships with his friends and family might change. He could become more of a loner as he tries to figure out how to control the new power and keep it from corrupting him. His sense of responsibility might also grow as he now has the power to cause great harm or do great good.
After absorbing Gaea in fanfiction, Percy's character could become more complex. He might struggle with the new power and the responsibility that comes with it. He may become more withdrawn as he tries to figure out how to control this new part of himself.
He becomes more confident. With Hyperion's power, Percy has a new level of self - assurance. He's not as hesitant in battles or when making decisions.
Percy's character development in this fanfiction might start with a sense of loss. Losing his demigod status means losing a big part of his identity. He may become more humble as he realizes the challenges that mortals face every day. As he adapts to mortal life, he could become more self - reliant in different ways, like having to earn money for the first time or deal with normal school problems without relying on his powers.
He might become more independent. Without the support of Gryffindor, he has to rely solely on himself. So he becomes more self - reliant and his decision - making skills improve.
Percy's character often develops in terms of his self - confidence. As the son of Thetis, he has new powers and responsibilities. At first, he might be a bit overwhelmed, but as he faces challenges, he becomes more sure of himself and his abilities.