Tulon Voidgazer was a human of extraordinary intellect, molded and instructed by Doctor Cylo. Cylo's intent was for her to supplant Darth Vader, the Dark Lord of the Sith, as the principal executor of Darth Sidious' will.
Talor Voidgazer was a scientist deeply engaged in advanced research and development initiatives. She also maintained strong relationships with numerous expert colleagues. Following the deaths of several of her close associates aboard the Death Star, she showcased her capabilities against the Sith Lord Darth Vader in the presence of the Emperor Palpatine at Dr. Cylo's research base. Subsequently, she participated in the War on Shu-Torun, fighting in conjunction with Vader and the other beings created by Cylo.