Complete 15 missions in the Wings of Liberty campaign on Brutal difficulty.
Win 10 1v1 Unranked or Ranked games as Terran.
Kill 750 additional Zerg units in the “In Utter Darkness” mission on Normal difficulty.
Use the Artifact no more than once in the “All In” mission on Hard difficulty.
Complete “The Great Train Robbery” mission without letting a Train pass by on Hard difficulty.