Players who buy the Digital Deluxe Edition or Collector’s Edition of Heart of the Swarm, can get the Blade Wings of Blade Queen and in addition, you can get the Diablo 3 Zerg banner sigil.
After you buy the Heart of the Swarm, how to get the item code inside the game, and how to get the Diablo 3 Blade Wings donated by the Heart of the Swarm. Here let Diablo 3 gold tell you.
When you upgrade your Star Craft II: Wings of Liberty account to the Digital Deluxe Edition or Collector’s Edition of Heart of the Swarm, your d3 gold characters should immediately receive a Blade Wings and Diablo 3 Zerg banner sigil.
These items will only exist on the characters on your account. They cannot be traded, and you will not receive separate codes for them.
After you equip the Blade Wings, a splendid queen wing will appear at your back.