The Non-Canon Expert looks at why Jedi Master Obi-Wan Kenobi chose to address the Sith Lord Darth Vader solely by his Sith title of «Darth» during their duel on the Death Star in Episode 4: A New Hope, explaining why Obi-Wan intentionally chose to do this and how it related to their previous duel almost two decades earlier on Mustafar. This is a Legend story for Darth Vader, Obi-Wan Kenobi, and the events of Episode 4: A New Hope with information found within the Legends novels «Star Wars: The Rise and Fall of Darth Vader,» «Star Wars: The Life and Legend of Obi-Wan Kenobi,» and «Star Wars: Death Star.»