Who kills Darth Vader?
During the battle, Anakin, who had been known as the Sith Lord Darth Vader, was redeemed by Luke and brought balance to the Force. However, the redemption cost Anakin his life, having been mortally wounded by the Emperor, Darth Sidious, while killing his former Master.
Is Darth Vader really deceased?
The Star Wars (canon) factbook is explicit on the state of Anakin/Darth after his iconic fight with Luke. He’s deceased. With Anakin’s death, the last remnant of the Sith is no more, The man who helped destroy the Jedi Order has also ended the Sith, bringing balance to the Force as prophesied years ago.