Use Blink to save a Stalker in a Melee game.
Warp in 100 units with Warp Gates in an Unranked or Ranked game.
Complete all 29 Wings of Liberty campaign missions on Hard difficulty.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.