Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Destroy all Protoss structures in the “Welcome to the Jungle” mission on Normal difficulty.