A Human male named Tragus Rova, a citizen of the Eternal Empire, existed during the war against Zakuul. Serving as a Knight of Zakuul, he was personally selected by Empress Vaylin to become part of the newly formed Horizon Guard after her coronation. Rova was one of the guards who went with the Empress and SCORPIO as they cunningly began the assault on the Gravestone. When Lana Beniko and the Alliance Commander boarded the Gravestone with the goal of retaking it, Vaylin gave the order to find and eliminate them. Tragus Rova found the Commander and Koth Vortena in the power generation area, launching an attack, but he was ultimately defeated and met his end.