Ryen, a Jedi Master of the Cathar male species, found himself stationed on Taris alongside his apprentice, Ashara Zavros. Their mission was to lend aid to the reconstruction project underway during the era of the Cold War. Ultimately, Ryen met his demise at the hands of a dark spirit – an ancestral figure of Ashara. This Force ghost was then dominated by the Sith Lord known as Kallig, who then proceeded to corrupt Ashara and bring about Ryen's end.
The events described previously occur if the player chooses a dark-side path. Conversely, if the player chooses a light-side path, Kallig instead eliminates Ryen and Ocera in an act of self-preservation, subsequently taking Ashara along out of compassion.