darth bane (dessel) was a male human dark lord of the sith, who was the sole survivor of sith order in the aftermath of the ancient war between the jedi and the sith, and later established the rule of two, which was considered the beginning of the modern sith within the "star wars" canon. this rule stated that there must be only two sith lords at a time: a master to embody power, and an apprentice to crave it and eventually overthrow his/her master and adopt an apprentice of his/her own. he is the main character of the non-canonical "darth bane" trilogy by drew karpyshyn. in the "star wars" canon, darth bane's only appearance was in the episode "sacrifice" of "" tv show, where his spirit was encountered by yoda on the sith homeworld of moraband, whom he unsuccessfully attempted to seduce to the dark side, as part of the jedi grand master's trial to learn the power of immortality.