Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Use the Artifact no more than once in the “All In” mission on Hard difficulty.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Load a Dropship with a unit that is under attack in an Unranked or Ranked game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.