Battle.net

Purchase StarCraft II Wings of Liberty Collector’s Edition.

Win 5 Team Matchmaking Unranked or Ranked games.

Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.

Use Blink to save a Stalker in a Melee game.

Kill 50 supply worth of units within 15 seconds in a Melee game.