Create 100 Larvae with Queens in an Unranked or Ranked game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Mutate a Lair during the first 285 seconds of a Melee game.
Score the rank of Gold in the “Infestation” challenge mission.
Win 25 Team Unranked or Ranked games as Zerg.