When Anakin becomes Darth Vader, Yoda and Obi Wan conclude that the prophecy didn't happen. Besides Yoda and Obi Wan wants Darth Vader to be dead. They even expect Luke to kill him. But when Luke knows that Darth Vader is his father, he wanted his father to be redeemed than to be killed. At the Death Star II, Darth Vader ceased to exist and Anakin Skywalker is resurrected by saving his son from the Emperor. When the right time comes for Vader to be redeemed, 

**Does Luke know that his father, Anakin is the Chosen one?** **Did he know that Anakin was supposed to bring balance to the force?**