Crossword clues for Darth Vader, to Luke 6 lettersAnswerClueFATHERDarth Vader, to LukeSPOILERWARNINGWords before "Darth Vader is Luke's father," for exampleSPOILERDarth Vader is Luke's father, e.g.SONLuke, to Darth Vader ("Star Wars" spoiler)SONLuke, to Darth VaderSONLuke Skywalker, to Darth Vader