Rian Darok was a Human male trooper who served in the Galactic Republic military up until the end of the Cold War. During the outbreak of the Great Galactic War, he secretly defected to the Order of Revan while pretending to still serve in the Republic. Working alongside Darth Arkous, who had also defected, Darok coordinated the attacks on the planets Korriban and Tython at the same time, ensuring that Revanite agent could extract important artifacts from the Jedi Temple and Sith Academy.