Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Win 50 1v1 Unranked or Ranked games as Protoss.
Destroy 20 units with a single High Templar in a Melee game.
Use Blink to save a Stalker in a Melee game.
Destroy 10 cloaked or burrowed units in a single Melee game.