Do a 6 combo gem break and receive "For the Swarm" notification in a game of ’StarJeweled’.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Kill 750 additional Zerg units in the “In Utter Darkness” mission on Normal difficulty.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Complete all the Covert mission achievements.