Darth Vader's cruel abuse of his old master in Obi-Wan Kenobi is indicative of his fall to the dark side, yet one Star Wars line explains why Obi-Wan was still able to walk away from the encounter. Obi-Wan Kenobi episode 3 showcased Anakin Skywalker at his most wantonly masochistic, yet for all his rage and hatred, he did not manage to kill his former friend. While this can be attributed to his explicit desire to see Obi-Wan suffer, there is another possible explanation – later alluded to by his son Luke.
«Chapter 3» provided Star Wars fans with arguably the most viscerally terrifying version of Vader yet. Having tracked Obi-Wan down to an Imperial mining planet, the Sith massacred and tortured innocent civilians in an effort to coax the Jedi out of his hiding place. After pursuing him out of the village, Vader easily bested Obi-Wan in combat, before kindling a blazing fire and dragging the titular hero through the flames. Although the Jedi was successfully rescued, Vader's superior strength and sadistic inclinations were on full display.
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However, for all Vader's obvious evil, the scene raised a key question about the true nature of his character. Having used the Force to drag Kenobi over the coals, Vader would have been more than capable of finishing the job, even after his rescuers arrived. Yet he is mysteriously content to let Kenobi escape, despite his determination to make him "suffer" in the flames. This seemingly out-of-character decision correlates with Luke Skywalker's later remarks in Return of the Jedi, that there "is still good in him". For all his apparent rage, the sight of his friend burning stirs something within him that causes him to
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