Kastro

Kastro was a prominent fighter in the Heavens Arena and an apparent celebrity. He lived on the 200th floor of Heavens Arena, with the intent of accumulating enough wins to become a Floor Master and winning a rematch against Hisoka. Kastro was shown as being both a calm and reflective man, as he kindly greeted Killua, complimenting his Zetsu and his high aura. He was a very cautious man who takes his opponents seriously, as he kept tabs on all individuals on the 200th floor. Contrast to his seemingly composed demeanor was his ability to hold strong grudges towards those who had defeated him,...