Dorn Sevelle was a trade baron of the Karazak Slavers Cooperative. At some point during the Galactic Civil War, Sevelle and his group of slavers were stationed on the planet Kowak, a slaver safe-heaven operated by the Zygerrian Prince Sono Molec. During this time, Sevelle won a bet against Molec, winning ownership over Molec's gladiator champion, the Mandalorian Nam Beroya, a.k.a. "The Prince's Sword." However, Molec hired a group of Rebel Alliance agents to retrieve his prized possession from Sevelle's camp.