With the promulgation of the “rule of two,” it was evident that Darth Zannah, being the apprentice of Darth Bane, would engage in a power struggle for the title of Dark Lord of the Sith after her training was complete. Being a young and fully trained warrior of the Dark Side, Darth Zannah emerged victorious in her duel with Darth Bane, and after killing her master took on a new apprentice of her own.