While playing as Zerg, warp in a Zealot in a Melee game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Score the rank of Gold in the “Infestation” challenge mission.
Win 5 1v1 Unranked or Ranked games in a row.