Darth Bane
this ancient Sith Lord was the last of his kind to survive the Battle of Ruusan, a catastrophic struggle that consumed his order some 1,000 years before the Battle of Yavin. Bane was a tall, bald man with heavy muscles and an intimidating gaze. He had trained under Lord Qordis, but never actually completed his training. He was an evil man, and gathered strength from killing young children before their parents' eyes, then murdering the parents. During the Battle of Ruusan, Darth Bane had not agreed with Lord Kaan's to use a thought bomb. He managed to escape its devasation and flee to Onderon's moon, Dxun, haunted by the specters of his former master as Lord Kaan. On Dxun, he discovered Exar Kun's Sith holocron, which he secured after being beset and infected by orbalisks. The orbalisks saved him from the attack of a skreev, while Bane's own strength in the Dark Side of the Force allowed him to control it. He later used the skreev to escape to Onderon. Recognizing that the Sith order was doomed to fail if it became too large, Bane waited until all the other Sith were destroyed by their brethren or the Jedi Knights, then established a set of rules that were dominated by the pretense that there could only be two Sith active in the galaxy at any time: a Master and an apprentice. Eventually, Bane took his own apprentice, and set his new order in motion. Future Sith Lords were taught the virtues of patience, planning, and secrecy, and each was to take on the title of Darth.