If you haven't watched it yet, check out the latest trailer for Star Wars Rebels, just a few days old.

You will notice a very familiar lightsaber design we once thought impossible and/or useless. But here it is again. In TFA, though, the "crossguards" on Kylo Ren's lightsaber were actually heat exhausts from an imperfect crystal first, then improvised as crossguards. The imperfect crystal couldn't channel all the energy into the main blade. In this new appearance, though, it appears they are truly just crossguards.

  • Can actual crossguards be achieved using normal crystals?
  • If it's a normal crystal, how is it done?
  • If it's not normal crystals, are those also fractured crystals?
  • If it's a fractured crystal, how is its blade's appearance more stable than Kylo's?
  • 1
    “the "crossguards" on Kylo Ren's lightsaber were actually heat exhausts from an imperfect crystal” — oh really? I didn’t know that. Commented Jan 29, 2016 at 16:49
  • I see no reason why you couldn't simply have a two smaller crystals on either side of the main crystal. Pure speculation, though.
    – Valorum
    Commented Jan 31, 2016 at 10:04

2 Answers 2


Looking over the (vastly more sophisticated) lightsaber designs in the Star Wars: Visual Dictionary, it struck me that more than one kyber crystal would be largely unnecessary since the most obvious place to split the energy would be within the "energy channel" itself. You could then focus that energy onto two or more "blade emitters" before it left the handle.

Luke's Lightsaber
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Luke's Lightsaber with added crossguards
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This would also explain Ren's lightsaber looks so ragged. The energy from the crystal isn't being channeled or modulated, it's just being dumped raw into the emitter


There could be more than one crystal inside. The handles are also customized by the maker, so I image you could make it any shape.

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