Collect all 5 Xel’Naga Artifacts.
Dodge a Raven Seeker Missile in a Melee game.
Complete the “Lab Rat” mission in the Heart of the Swarm campaign.
Register a copy of the World of Warcraft: Mists of Pandaria Collector’s Edition or Digital Deluxe Edition.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.