Complete 5 missions in the Wings of Liberty campaign on Brutal difficulty.
Complete 15 Heart of the Swarm campaign missions on Brutal difficulty.
Kill 15 units with the Giant Ursadon in the “Enemy Within” mission on Hard difficulty.
Destroy all 3 Protoss Docking Bays in the “Shoot the Messenger” mission on Hard difficulty.
Score the rank of Gold in all the challenge missions.