Tamarc was the leader of a squad of Alliance to Restore the Republic agents sent to track down Enid Vahr after he went missing on Demophon. The squad's starship was shot down over Demophon. Only Tamarc, rebel agents Almera Zan and Grashk, and free-trader Roz survived. Afterward Sla Kar, panicking over the approaching Demophon supernova attacked the rebels for their identichips. Tamarc was killed in the ensuing melee.