As a Devaronian mercenary of the male persuasion, Sorno worked for Karagga the Hutt as a bodyguard during the era of the Cold War. He was stationed at Karagga's Palace, working alongside his Kaleesh partner, Jarg. During an attack on the palace by a strike team, Sorno and Jarg engaged them within the audience chamber. Despite his combat skills, Sorno ultimately met his death.