Win 50 Team Unranked or Ranked games as Zerg.
Score the rank of Gold in the “Tactical Command” challenge mission.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
While playing as Zerg, warp in a Zealot in a Melee game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.