Purchase StarCraft II Wings of Liberty Collector’s Edition.
Complete all mission objectives in the “Liberation Day” mission.
Destroy 4 Command Centers, Hatcheries, or Nexuses 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.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.