Score the rank of Gold in the “Tactical Command” challenge mission.
Complete 5 missions in the Wings of Liberty campaign on Hard difficulty.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Win 10 Team Unranked or Ranked games as Random.
Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.