Darth Chosis

Darth Chosis was a female  under the. She was the apprentice of, and participated in her master's study of time. Rejecting the possibility of, unlike Ramage, she instead sought abilities similar to , projecting her consciousness into the past or future to witness or manipulate events. Considered overly philosophical and metaphysical by her scientific master, Chosis was dismissed as a threat, and thus Ramage did not foresee his death at her hands until it became reality.

Chosis took possession of and made one of her own, detailing her own study of time and her prophecies of the future of the Sith. She foresaw multiple rises and falls of the Sith, but many of her prophecies were couched in vague language. Some time after her murder of Ramage, Chosis took an apprentice of her own to carry on the Rule of Two.