Cancel construction of a structure that is being destroyed by an opponent in a Melee game.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Use Blink to save a Stalker in a Melee game.
Destroy 40 units with a single unit in an Unranked or Ranked game.