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"Stukov, I sense crystals which Narud is using to store raw psionic energy."
"Yes, their energy is faint... Hidden near the temples. If time permits, we will find them and destroy them."

A Xel'naga crystal is a Xel'naga structure used to store raw psionic energy.

During the Second Great War, Emil Narud kept several crystals in the lower levels of Skygeirr Station, and had Tal'darim forces guard them. When Sarah Kerrigan and the Zerg Swarm raided the lab, Izsha detected the cyrstals' presence. Stukov suggested that they destroy the crystals and collect their energy for the swarm.[1]

Game UnitEdit

"Do not touch the artifacts of the Master!"

- Tal'darim zealot(src)

Xel'naga crystals appear in the Heart of the Swarm campaign mission "Phantoms of the Void." They can be destroyed as optional bonus objectives. Three appear on the map, each providing a level to Kerrigan. They do not appear on the player's mini-map.

One is east of the player's base, and the other two are in the northwestern portion of the map, to the north and the west of the temple north of the player's starting location. Upon attacking them, Tal'darim forces will warp in to defend the crystals.


These crystals use the same model as the monoliths that surround the Xel'naga vault in "Maw of the Void."


  1. Blizzard Entertainment. StarCraft II: Heart of the Swarm. (Activision Blizzard). PC. Mission: Heart of the Swarm, Phantoms of the Void (in English). 2013-03-12.