Destroy 5 units with a single Neural Parasited unit in an Unranked or Ranked game.
Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Win 3 1v1 Unranked or Ranked games in a row.
Score the rank of Gold in the “Harbinger of Death” challenge mission.
Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.