Use Apocalypse to kill 50 enemy units or structures in a single mission.
Complete the “Lab Rat” mission in less than 10 minutes on Normal difficulty.
Reach Kerrigan Level 60 in the Heart of the Swarm campaign.
Complete “The Reckoning” mission in the Heart of the Swarm campaign.
Morph 36 sets of Drones with the Twin Drones ability active.