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.
Destroy 30 units with Infested Terrans in an Unranked or Ranked game.
Complete 5 missions in the Wings of Liberty campaign on Brutal difficulty.
Use Blink to save a Stalker in a Melee game.