After the great Mandalorian War. I left the jedi order and become the dark lord of the great sith empire. Even in my greatness, my apprentice, Malak, betrayed me at a space battle and almost killed me, but the jedi master Bastila Shan found me and saved my life. Doing that, the jedi order erased my Sith memories and used me, but a time after, I recovered my meories and doing so, I left the jedi order and created my own order. The revanite.

Before I died, I left a holocron on the system of lehon. At this holocron, the sith lord Darth Bane found all my memories about the sith empire. He used it to rebuil the great sith empire.

I am not Darth Revan anymore. Now I am just Revan. The great lord of the force.