Complete the Wings of Liberty campaign.
Complete the Heart of the Swarm campaign.
Kill 5 enemy units in the “Liberation Day” mission with Raynor on Normal difficulty.
Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.