After the Sith Lord, Darth Skotia was killed in suspicious circumstances and Darth Thanaton wished to punish the most likely perpetrator, Darth Zash, this Dark Councilor sided against Thanaton and supported the Dark Council in raising Zash to Skotia's former position. In circa 3,643 BBY, Darth Thanaton acceded to the Dark Council after this Sith Lord's sudden death.