While playing as Zerg, warp in a Zealot in a Melee game.
Score the rank of Gold in all the challenge missions.
Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Destroy all Protoss structures in the “Welcome to the Jungle” mission on Normal difficulty.