Complete 25 missions in the Wings of Liberty campaign on Brutal difficulty.
Complete the “Maw of the Void” mission without losing a unit inside the Rip-Field on Hard difficulty.
Complete all the Mar Sara mission achievements.
Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.
While playing as Zerg, warp in a Zealot in a Melee game.