Humid, swampy, and inhospitable, the bog world of Dagobah was the home of the last of the great Jedi Masters. After a fevered vision of Obi-Wan Kenobi on the planet Hoth, Luke Skywalker used the Force to puzzle out the proper hyperspace coordinates to the lost world, hoping to complete his Jedi training at Yoda's hands. There, in the oppressive heat of the swamp, young Luke underwent the first of many grueling tests that would mold him into a Jedi Knight.