Due to the constant praise of his abilities and Quirk, Katsuki has developed a superiority complex and because of that, he desires to be the first and best at everything. unchecked pride and aggression cost him victories on numerous occasions. He's aggressive, arrogant, crude, and doesn't accept help from others. He had started to mature enough to the point that he was able to advise a kid who acted similarly to him. He also has a more honorable side to him, But he's easily-worried.