Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Score the rank of Gold in the “Rush Defense” challenge mission.
Score the rank of Gold in the “Infestation” challenge mission.
Win 5 1v1 Unranked or Ranked games in a row.