Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Destroy 40 units with a single unit in an Unranked or Ranked game.
While playing as Zerg, warp in a Zealot in a Melee game.
Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.
Complete all the Unranked / Ranked Combat achievements.