Kill the Tyrannozor in under 1 minute after it appears in “The Crucible” mission on Hard difficulty.
Kill 2 Hybrid within 20 seconds of each other in the “Phantoms of the Void” mission on Normal difficulty.
Complete 20 Heart of the Swarm campaign missions on Hard difficulty.
Prevent Kerrigan’s life from dropping below 50% in the “Conviction” mission.
Play a game of StarCraft II during the 15th anniversary celebration.