StarCraft enhanced upon its predecessor Warcraft II, which highlighted two incredibly similar playable factions, by introducing asymmetry concerning the units and technologies accessible to its a few races (Protoss, Terran, and Zerg). This asymmetry was much like that pioneered during the lesser-acknowledged 1996 SSI release War Wind. The device varieties available to Each individual race determine its racial identification. The Protoss can discipline effective and high-priced warriors and machinery, although the Zerg count on sheer numbers and speed to overwhelm their opponents.

In Legacy of the Void, Zeratul invades a Terran installation less than Charge of Amon so as to pinpoint the precise spot of his resurrection, Making the most of a unexpected assault by Kerrigan along with the Zerg swarm. Immediately after acquiring the precise place, he departs to an historic Xel'Naga temple exactly where he provides a vision of Tassadar, who prompts him to assert the artifact in possession from the Terrans. Zeratul returns to alert Artanis of Amon's return, but he decides to commence with his plans of primary his army to reclaim Aiur. Amon awakens on Aiur and 격투기 takes Charge of the vast majority of the Protoss race through the Khala, the telepathic bond that unites all thoughts to the Khalai faction from the Protoss.