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.
Complete 5 Zerg research console projects.
Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.