Race: Human Sacred Gear: True Longinus First Appearance: Volume 6 Cao Cao is the leader of the Hero Faction of the Khaos Brigade. He is the wielder of the Ultimate Longinus, the True Longinus. Cao Cao is a charismatic person, as he was able to convince many Sacred Gear users to join the Hero Faction. He also believes that it is his responsibility as a descendant of a hero to destroy beings like Devils, Fallen Angels, and Dragons which he believes are threats to human beings. (Source: Highschool DxD Wiki)