Source: Revenge Of The Sith
Anakin completes his conversion to Darth Vader after his lightsaber duel with Obi-Wan Kenobi on Mustafar. Palpatine brings the gravely wounded Vader to a rehabilitation center, where a 2-1B surgical droid and a Galactic Chopper rebuild him with cyborg implants and enhancements to keep him alive. He rises to his feet, encased in the black armor that the galaxy will soon come to recognize – and fear.
