Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Use Blink to save a Stalker in a Melee game.
Win 50 1v1 Unranked or Ranked games as Protoss.
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.