Complete the “Whispers of Doom” mission on Hard difficulty without Zeratul suffering life damage.
While playing as Zerg, warp in a Zealot in a Melee game.
Destroy 50 Protoss structures in “The Dig” mission on Hard difficulty.
Complete 10 missions in the Wings of Liberty campaign on Hard difficulty.
Kill the Brutalisk with lava in "The Devil’s Playground” mission on Normal difficulty.