Purchase StarCraft II Wings of Liberty Collector’s Edition.
Complete 3 challenge missions with a Bronze rating or higher.
Kill the Marauder Kill Team in “The Great Train Robbery” mission on Normal difficulty.
Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.