How was Darth Vader after his redemption and being brought back to the light side of the force by his son Luke Skywalker able to become a Force Ghost ? These Events took place in Star Wars Return of The Jedi. The ability to manifest as a Force Ghost is A technique that only Jedi Knights are able to use and only mastered by a few Jedi , Qui-Gon Jin , Yoda and Obi-Wan Kenobi.\r
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Did his master Darth Sidious teach him or was it because he was the chosen one?
