PROTOSS CAMPAIGN: THE FALL The Zerg Overmind has succeeded in invading the Protoss Homeworld of Aiur and has embedded itself into the crust of the planet. Now, as the agents of the sinister Overmind spread chaos and destruction across the face of Aiur, the stalwart Protoss defenders prepare themselves for the coming onslaught. "FIRST STRIKE" Citadel of the new Protoss Executor Two days after the Zerg invasion