Terrazine

Terrazine gas is a potent psionic reagent in the StarCraft universe.

Terrazine gas is featured in Blizzard Entertainment third-person shooter game, StarCraft: Ghost.

A potent psionic reagent, it is sought by Protoss, Zerg and Terrans alike. Its exact properties are unknown.

Terran Dominion Emperor Arcturus Mengsk and his new advisor, General Horace Warfield, has begun a secret project codenamed Shadow Blade. The program uses terrazine gas to alter the genetic makeup of Terran Ghosts. These Ghosts are transformed into Spectres - shadowy superhuman beings bent on executing the will of their true master.

The game features a terrazine refinery on Mar Sara.