While playing as Zerg, warp in a Zealot in a Melee game.
Score the rank of Gold in the “Infestation” challenge mission.
Win 100 Team Unranked or Ranked games as Zerg.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Destroy 30 units with Infested Terrans in an Unranked or Ranked game.