Killua is a member of the Zoldyck family, who are a family of legendary assassins. Since birth, he trained endlessly in the art of assassination. He eventually ran away from his family and profession out of boredom and joined the Hunter exam to pass the time. He befriended Gon almost immediately and has loyally followed his best friend since then. Killua is usually a kind-hearted and cheerful, cheeky boy, but if provoked, he becomes extremely deadly and bloodthirsty, able to kill an enemy in…
