Counter-Proof
Attack for 20 seconds with no counterattacks in a League game.
Unbreakable!
Destroy 40 units with a single unit in a single League game.
Carnage Hall
Destroy 4 Command Centers, Hatcheries, or Nexuses in a single League game.
Meatgrinder
Kill 50 supply worth of units within 15 seconds in a Melee game.