The Non-Canon Expert looks at how Darth Vader’s lightsaber combat form and technique changed after his defeat to Jedi Master Obi-Wan Kenobi on Mustafar in Episode 3. This is a Legends story for Darth Vader with information found within the Episode 3: Revenge of the Sith novelization, the Book of Sith reference book, The Jedi Path reference book, «Star Wars: Jedi vs. Sith: The Essential Guide to the Force,» «Star Wars: Dark Lord: The Rise of Darth Vader,» and «Star Wars: The Force Unleashed.»