During the vast Star Wars era known as the Old Republic, Darth Revan and Darth Bane existed as two of the most powerful and renowned Sith Lords in the entire galaxy. Each left behind respective legacies that would never be forgotten by Force wielders of both the light and the dark side. However, Revan and Bane lived just over 2,500 years apart in the Star Wars timeline, so there was never a chance for the two legendary Sith to meet and perhaps determine who was more powerful.

Although Revan and Bane are canonical Sith Lords in the current continuity established by Disney and Lucasfilm in 2012, much of their histories and origins still lie with predating non-canon materials known as Legends. This includes the Knights of the Old Republic games and connected novels from the Old Republic era as well. Using both canon and Legends, here is what's known about Darth Revan...