Blackrock Pre-Purchase

Blackrock Pre-Purchase is a Hearthstone patch released on March 19, 2015. It was versioned 2.3.0 with the build number 8108. It was released during the expansion Goblins vs Gnomes

Official Patch Notes

Quote From Blizzard

In this Hearthstone patch, we’re adding pre-purchase support for Blackrock Mountain: A Hearthstone Adventure and a pair of shiny new card backs.

The full patch notes are below!

• Pre-purchase Blackrock Mountain: A Hearthstone Adventure
  • Starting March 19th, you will be able to pre-purchase “Blackrock Mountain: A Hearthstone Adventure” from the in-game store. The new adventure opens April 2015.
• The following card backs have been added:
  • Ragnaros – Acquired by reaching Rank 20 or higher in Ranked Play mode during the month of March.
  • Molten Core – Acquired by pre-purchasing Blackrock Mountain: A Hearthstone Adventure from the in-game store.