Luke Skywalker discovered some SHOCKING information about Mace Windu. After Luke Skywalker helped his father to defeat Darth Sidious and return to the light side in Return of the Jedi, he travelled the galaxy to search for ancient Jedi temples and artifacts. During his travels, Luke Skywalker discovered a lot of information about the previous history of the Jedi Order and some of its highest ranking members.
I’m going to break down exactly what Luke Skywalker knew about Mace Windu, the man who did not grant his father, Anakin Skywalker, the rank of Master.
Luke Skywalker knew about Mace Windu and the three Jedi master's duel in Palpatine's office and likely how all three Jedi masters were killed so easily. Luke also knew that Mace Windu had his arm cut off by Anakin Skywalker, after betraying him.
