 He reaches out telepathically to Leia, who senses him and persuades Lando and Chewie to turn back.After Luke is brought aboard, they are chased by TIE fighters towards Vader on his Star Destroyer and find that the "Falcon"s hyperdrive has been tampered with, but reactivates it, allowing them to escape.Luke rejoins the Rebel fleet and his severed hand is replaced with a robotic prosthesis.