Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Heal 300 life on allied units with Medivacs in an Unranked or Ranked game.
Complete 5 missions in the Wings of Liberty campaign on Hard difficulty.
Destroy 10 cloaked or burrowed units in a single Melee game.