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Repulsor cannon

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Repulsor cannons are the main defensive armament of the protoss mothership core. After drawing power from the mothership core's khaydarin crystal core, the repulsor cannon projects a concentrated blast of semi-solid psionic energy—too dense for aerial combat—that causes damage by delivering kinetic and thermal energy. Each shot pierces matter violently, leaving a misty cloud of psionic fire in its wake.[1]


  1. 2014-11-20, Mothership Core Science. Blizzard Entertainment, accessed on 2014-11-26