Score the rank of Gold in the “Covert Ops” challenge mission.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Destroy 10 cloaked or burrowed units in a single Melee game.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.