Zai seems to be down all the time but he hides it most of the time behind a false smile.
Zai uses a Giant over sized Scythe as his Weapon on his back.
Zai saw his own parents killed before his eyes when he was no more than 10 years old sence then he lost all hope and faith in himself and the world he then was sent to the Light nation to be looked after sence his parents were the only family he had.
ther ehe met Tsunar and Kaira now his two best friends.