Use the Artifact no more than once in the “All In” mission on Hard difficulty.
Win 250 1v1 Unranked or Ranked games as Terran.
Train 10 Marines during the first 320 seconds of a single Melee game.
Destroy 20 units with Sniper Rounds in an Unranked or Ranked game.
Destroy 40 units with a single unit in an Unranked or Ranked game.