Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Complete the “Whispers of Doom” mission on Normal difficulty with 3 or more Stalkers.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Destroy 10 cloaked or burrowed units in a single Melee game.