Kyber Crystal and the Death Star

Death star construction

This post has spoilers for Rogue One, and also Return of the Jedi.

We learn in Rogue One that the Death Star’s main gun is powered by Kyber crystal. We know from various sources that it’s rare.

Then the Death Star is tested, destroying Jedah, where they’re mining the crystals. Note that both times its fired, they give the order “single reactor ignition.” Are they testing the reactors and power systems, or conserving kyber crystal?

Really, how much “ammo” did the original Death Star have on board? How many times could they fire the main gun?

Was ten or fifteen shots considered sufficient, because after a demonstration, fear will keep the local systems in line? Where did they find enought kyber crystal for the second Death Star?

2 thoughts on “Kyber Crystal and the Death Star

    • Because energy is being pulled from it into that big beam? I suppose you can argue that the crystals concentrate Force energy, and will replenish over time, or perhaps they absorb energy from the destruction, in which case you have the ultimate power in the universe: the ability to disregard the 2nd law of thermodynamics!

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