Vader takes Luke to the new Death Star to meet the Emperor, who is intent on turning him to the dark side. The Emperor reveals that the Death Star is fully operational and the Rebel fleet will fall into a trap. On Endor, Han's strike team is captured by Imperial forces, but a surprise counterattack by the Ewoks allows the Rebels to battle the Imperials. Meanwhile, Lando, piloting the Millennium Falcon, leads the Rebel fleet to the Death Star, only to find that the station's shield is still active and the Imperial fleet is waiting for them. The Emperor tempts Luke to give in to his anger and join him. Luke engages Vader in a lightsaber duel. Vader senses that Luke has a sister and suggests turning her to the dark side. Enraged, Luke overpowers Vader and severs his father's prosthetic right hand. Upon seeing the remnants of Vader's prosthetic, he sees a parallel between himself and Vader, and fears he will become like Vader. The Emperor tells Luke to kill Vader and take his place, but