Turrai Grandek was a Zeltron Sith also known as Darth Rhylox. Rhylox was born at the end of the Hundred-Year Darkness and was Killed in the Legacy era by his former master Darth Broodus. Information on Rhylox is limited however it is known that he was a member of Darth Kray'ts One Sith Order in 137 ABY and was killed one year later by his former master.