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Score the rank of Gold in the “Rush Defense” challenge mission.

Score the rank of Gold in the “Harbinger of Death” challenge mission.

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.

Complete the “Zero Hour” mission on Normal difficulty without losing or salvaging a structure.