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.
Acquire an Ihan Crystal.
Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
Kill 20 enemy units with the Laser Drill in “The Dig” mission on Normal difficulty.