Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Complete all 29 Wings of Liberty campaign missions on Hard difficulty.
Complete 25 missions in the Wings of Liberty campaign on Hard difficulty.
Win 3 1v1 Unranked or Ranked games in a row.
Win a Free-For-All Multiplayer Custom Game against 7 Harder A.I. opponents.