Blizzard announced a new addition to Hearthstone’s adventure mode called Blackrock Mountain at PAX East today.

Blackrock Mountain will launch in April, and will contain 31 new cards, 17 new bosses, as well as additional class challenges. All of the content included in the expansion can be unlocked with in-game currency, or with real money for $6.99.

Blizzard Announces New Hearthstone Expansion Called Blackrock Mountain

Hearthstone launched in March of last year, and was one of Gaming Trend’s favorite games of 2014.