Any who gaze upon the Sith Lord's mask will soon perish. His voice is the last to be heard before their souls are consumed.

Many of the Star Wars galaxy’s Sith Lords use the title of Darth, yet few properties directly address the title’s meaning, history, and origins. The first Star Wars character to use the Darth ...

and not at all when Darth Vader returned in Revenge of the Sith (2005). It also sadly obscured the rest of a phenomenal life — in which Prowse was a famous bodybuilder, a successful gym owner ...

Revenge of the Sith is definitely the most popular put of the series. The fall of Anakin and rise of Darth Vader happens in that episode and the fight choreography is the stuff of legend.