He is also the secret husband of Padmé Amidala, father of Princess Leia, and grandfather of Kylo Ren. He then serves the Galactic Empire as its chief enforcer until he ultimately redeems himself by saving his son, Luke Skywalker, and killing Palpatine, sacrificing his own life in the process. After a lightsaber battle with his former mentor Obi-Wan Kenobi, in which he is severely injured, Vader is transformed into a cyborg. He is lured to the dark side of the Force by Palpatine and becomes a Sith lord. Originally a slave on Tatooine, Anakin Skywalker is a Jedi prophesied to bring balance to the Force. Star Wars creator George Lucas has collectively referred to the first six episodic films of the franchise as the tragedy of Darth Vader. The character is a primary antagonist in the original trilogy and a primary protagonist in the prequel trilogy. Darth Vader is a fictional character in the Star Wars franchise.