He's not a Sith Lord, he's a Cosmic Knight . Champions Online's archetypes offer players who don't play a subscription fee pre-defined builds to level with. This one is called The Unleashed, and is described as a "Militant Monk," an "Eldritch Warrior" and a "Mysterious Visitor," albeit one you're not likely to let into your house. He specialises in close range chopping with his lightsa- swords.
