Use the Artifact no more than once in the “All In” mission on Hard difficulty.
Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Win a 1v1 Multiplayer Custom Game against an Elite A.I. opponent in under 5 minutes.
Regenerate 500 shield energy on a single unit without taking friendly fire in an Unranked or Ranked game.