Dynasty of Evil (Book 03) [Darth Bane Trilogy] - Drew Karpyshyn

Twenty years have passed since Darth Bane, reigning Dark Lord of the Sith, demolished the ancient order devoted to the dark side and reinvented it as a circle of two: one Master to wield the power and pass on the wisdom, and one apprentice to learn, challenge, and ultimately usurp the Dark Lord in a duel to the death. But Bane’s acolyte, Zannah, has yet to engage her Master in mortal combat and prove herself a worthy successor. Determined that the Sith dream of galactic domination will not die w