Complete all mission objectives in the “A Sinister Turn” mission.
Complete the “Whispers of Doom” mission on Normal difficulty with 3 or more Stalkers.
Complete all mission objectives in "The Devil’s Playground” mission.
Kill 5 enemy units in the “Liberation Day” mission with Raynor on Normal difficulty.
Kill the Marauder Kill Team in “The Great Train Robbery” mission on Normal difficulty.