Complete 20 Heart of the Swarm campaign missions on Brutal difficulty.
Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.
Score the rank of Gold in the “Psionic Assault” challenge mission.
Score the rank of Gold in the “Path of Ascension” challenge mission.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.