Complete the Wings of Liberty campaign.
Complete the “Smash and Grab” mission on Normal difficulty without losing a unit to a Protoss Stone Guardian.
Complete the “Whispers of Doom” mission on Hard difficulty without Zeratul suffering life damage.
Complete all mission objectives in the “Whispers of Doom” mission.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.