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Kill 50 supply worth of units within 15 seconds in a Melee game.

Attack for 20 seconds with no counterattacks in an Unranked or Ranked 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.

Mutate a Lair during the first 285 seconds of a Melee game.