Kill 50 supply worth of units within 15 seconds in a Melee game.
Complete the “Echoes of the Future” mission on Hard difficulty in less than 20 minutes.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Destroy 40 units with a single unit in an Unranked or Ranked game.