Ado Antilles was a Corellian Human Sith that was very xenophobic and always thought of human-supremecy. He was only a Dark Adept when the Galactic Empire found him on 69 ABY and recruited him as a Sith. He had a secret hate for non-humans that would cause him to betray and manipulate non-humans to get what he wanted. Ado rose through the Sith ranks quickly becasue of his betrayal and manipulation that before long he was a Sith Warrior. Ado though differently of how the Empire should have ruled and how the Sith should be composed. Ever since Ado was given a worthy rank, he had been planning to take over and build a new Empire that was built around his beliefs. He joined the Imperial Armed Forces in order to continue with his planing. He fought during the Chiss War and never disobeyed the Su