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.
Play enough qualifying games to get placed in a Matchmaking Ranked League.
Win 3 1v1 Unranked or Ranked games in a row.
Score the rank of Gold in the “For the Swarm” challenge mission.