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Psi-link spires are protoss long-range communication structures used for communication across interstellar distances.[1] It amplifies psionic communication through the Khala.[2]

During the Second Great War, the protoss colonists on the ice moon of Kaldir tried to use three of these spires to contact the Golden Armada and inform them of Kerrigan's presence, but the zerg destroyed the spires before a signal could be sent.[2]

Game StructureEdit

StarCraft IIEdit

Psi-link spires appear as enemy structures in the StarCraft II: Heart of the Swarm campaign mission "Harvest of Screams." The player must destroy all three of these spires to complete the mission.


  1. Barba, Rick. StarCraft Field Manual (hardcover). Insight Editions, November 17, 2015.
  2. 2.0 2.1 Blizzard Entertainment. StarCraft II: Heart of the Swarm. (Activision Blizzard). PC. Mission: Heart of the Swarm, Harvest of Screams (in English). 2013-03-12.
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