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Instead, he continued to use his original lightsaber, which emitted a blue blade as a Jedi, before later being passed down to his son, Luke Skywalker.
While this occurrence was particularly rare, it was a frightening possibility which was a concern for all those that battled an opponent with a red saber.He uses it to decapitate the deadly bounty hunter Jango Fett in Attack of the Clones and to deflect Darth Sidious' Force Lightning with it -- disfiguring his face -- in Revenge of the Sith.
However, Obi-Wan used a blue blade throughout his career (it'll appear in his Disney Plus show later this month) and Anakin Skywalker's lightsaber, which passed between the central characters of the saga (from Anakin to Luke to Rey, via Finn), was blue. This is a rite of passage for a Dark Side wielder as well, but fittingly, it isn't as innocent as the Jedi's version.Also, their common usage by Sith and other Darksiders after this discovery caused synthetic crystals to become something of a staple among such groups, and their use among Jedi was strongly discouraged. This color was used by characters like Obi-Wan Kenobi, Anakin Skywalker, Luke Skywalker, and Count Dooku (before his fall to the Dark Side). A primary reason that synthetic lightsaber crystal became so widespread among the Sith was their need to remain hidden from the Jedi. We cannot teach you the ways of the Force, but we promise to supply you with the perfect weapon to channel it.