The Non-Canon Expert looks at the Legends lore surrounding the question of whether Darth Vader ever told his Master Darth Sidious that Jedi Master Obi-Wan Kenobi disappeared after their duel on the Death Star, explaining the perspectives of both Sith Lords as it relates to this question and the knowledge that they had. This is a Legends story for Darth Vader, Darth Sidious, and the events of Episode 4: A New Hope with information found in a number of Legends sources, but primarily within «Star Wars: Death Star,» «Star Wars: The Rise and Fall of Darth Vader,» the Book of Sith reference book, the Episode 6: Return of the Jedi novelization, and «Star Wars: The Life and Legend of Obi-Wan Kenobi.»