While playing as Zerg, warp in a Zealot in a Melee game.
Complete the “Smash and Grab” mission on Normal difficulty without losing a unit to a Protoss Stone Guardian.
Destroy all Rip-Field Generators in the “Maw of the Void” mission on Normal difficulty.
Kill the Brutalisk with lava in "The Devil’s Playground” mission on Normal difficulty.
Complete the “Whispers of Doom” mission on Normal difficulty with 3 or more Stalkers.