The Second Sith Empire, also informally called Revan's Sith Empire, was founded by the Dark Lord of the Sith Darth Revan and his apprentice Darth Malak. The Empire was a dark side organization that stood in direct opposition to the Galactic Republic and the Jedi Order, and it was built upon a core of veterans from the Mandalorian Wars and a group of converts from the Jedi Order.