Kill 750 additional Zerg units in the “In Utter Darkness” mission on Normal difficulty.
Complete 20 Heart of the Swarm campaign missions on Hard difficulty.
Use Apocalypse to kill 50 enemy units or structures in a single mission.
Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
Finished a season in the Top 25 of a Team Diamond Division.