Complete 15 Heart of the Swarm campaign missions on Hard difficulty.
Collect every mineral pickup with the Hyperion in the "With Friends Like These…” mission.
Complete the “Left 2 Die” scenario before the fifth night on Brutal difficulty.
Survive 15 Infested Horde Attacks in the “Night 2 Die" mode of the “Left 2 Die” scenario.
Purchase the Diablo III: Reaper of Souls Collector’s Edition.