Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
While playing as Zerg, warp in a Zealot in a Melee game.
Use Blink to save a Stalker in a Melee game.
Score the rank of Gold in the “For the Swarm” challenge mission.
Score the rank of Gold in the “Path of Ascension” challenge mission.