Lyserg Diethel (リゼルグ・ダイゼル Rizerugu Daizeru) is a fictional character from the Shaman King manga and anime series. He is orphaned from a young age when Asakura Hao killed his parents for refusing to join him. This makes him seek revenge, and eventually participate in the Shaman Fight to kill Hao. He joined the extremist group known as the X-Laws, believing they would help him gain his revenge.