Kill the Brutalisk with lava in "The Devil’s Playground” mission on Normal difficulty.
Kill 5 enemy units in the “Liberation Day” mission with Raynor on Normal difficulty.
Use the Artifact no more than once in the “All In” mission on Hard difficulty.
Complete all mission objectives in "The Devil’s Playground” mission.
Complete the “Shatter the Sky” mission without losing a unit to a Platform explosion on Normal difficulty.