Cancel construction of a structure that is being destroyed by an opponent in a Melee game.
Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
Use Blink to save a Stalker in a Melee game.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Kill 50 supply worth of units within 15 seconds in a Melee game.