Complete all mission objectives in the “All In” mission.
Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.
Complete the “Phantoms of the Void” mission in the Heart of the Swarm campaign.
Reconstitute 500 Zerglings with Zergling Reconstitution.