The Non-Canon Expert looks at how the revived Emperor Palpatine, Dark Lord of the Sith Darth Sidious, looked back upon the events at the Battle of Endor where his apprentice Darth Vader would be redeemed back into the light and turn against him, explaining why Palpatine blamed only himself and found no fault with Vader and a few reasons why he made this conclusion based upon knowledge Palpatine had within the Star Wars Legends lore. This is a Legends story for Palpatine, Darth Vader and the events of Episode 6: Return of the Jedi with information found in a number of Legends sources, but primarily within «Star Wars: Jedi vs. Sith: The Essential Guide to the Force,» the Book of Sith reference book, «Star Wars: Dark Lord: The Rise of Darth Vader,» and «Star Wars: Death Star.»