In it, is none other than Starkiller himself. Force Unleashed 2 begins with Vader walking into a large room with a prison cell in the middle. Starkiller, Darth Vader’s secret apprentice, was killed by Darth Sidious after betraying his former masters and joining with the enemy. Star Wars: The Force Unleashed II picks up six months after the end of Star Wars: The Force Unleashed.