Kill 250 additional Zerg units in the “In Utter Darkness” mission on Normal difficulty.
Win 10 1v1 Unranked or Ranked games as Zerg.
Complete the “Supernova” mission on Normal difficulty without losing a unit to the wall of fire.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.