Who taught Kylo Ren how to bleed his lightsaber. Did he read about it in former Sith writings, did Snoke teach him (which seems possible but unlikely considering Snoke is not seen with a lightsaber of his own), or did Ren teach himself?

Who taught Kylo Ren how to bleed his lightsaber?

  • 7
    Don't assume that Snoke isn't proficient with or knowledgeable about lightsabers just because we don't see him use one. Remember that we never saw Palpatine use a lightsaber in the original trilogy, but the prequels showed he was obviously capable of using one.
    – Alarion
    Oct 26, 2018 at 13:05
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    Boolean - where did you read or see the "bleeding" of the lightsaber?
    – Sam
    Oct 26, 2018 at 14:03
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    What does it mean to "bleed" a lightsaber? I assume that's an expanded universe concept? Oct 26, 2018 at 14:15
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    @Sam lightsaber bleeding
    – Boolean
    Oct 26, 2018 at 14:28
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    @RobertColumbia The kyber crystals are bleed to turn them red. It is featured in the current running Darth Vader comic series which takes place starting from the end of RotS and tells the story of how Anakin continues to transform into Darth Vader and is now getting into the building and backstory behind Vader's castle. But Vader had to hunt down and kill a Jedi, steal his lightsaber kyber crystal, bleed it red (ie: cause the crystal to suffer), and then take it for his own... Oct 26, 2018 at 15:20

1 Answer 1


From what we know, probably no one

Kylo Ren used ancient design for his lightsaber, back from the time of Great Scourge of Malachor. Kyber crystal in it was cracked, so excess heat was vented to sides as crossguard.

This of course begs the question why would he use cracked crystal. Kyber crystals were rare, but not that rare (Death Stars required lots of them for main weapon) . Before joining Snoke Kylo was training as a Jedi, so he probably had lighstaber with normal crystal. Also, First Order was not exactly without resources, they in fact built Starkiller Base on a planet rich with kyber crystals.

More likely reason is that Snoke didn't know, or didn't want to show Kylo Ren how to bleed crystals. Therefore, Kylo searched Sith artifacts (maybe even on Malachor) to find both designs and the crystal. If he was really on Malachor, he could have picked defunct weapon like Ezra Bridger did (only Kylo would probably take Sith weapon).

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So, instead of creating his own, Kylo used crystal that belonged to someone else and was damaged long time ago. Final note, bleeding crystals is not that easy, as Vader found out.

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