Complete all the Elite A.I. achievements.
Kill 750 additional Zerg units in the “In Utter Darkness” mission on Normal difficulty.
Win a 4v4 Multiplayer Custom Game with Elite A.I. allies using the following race combinations against Elite A.I opponents.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.