Blizzard Entertainment opened its second single-player Hearthstone adventure Blackrock Mountain on April 2, 2015. The first wing called "Blackrock Depths" is an underground city inhabited by Dark Iron dwarves. Players who have unlocked all 9 heroes can open the Blackrock Depths for 700 in-game gold or $6.99 USD. The Blackrock Mountain adventure features 5 wings which can be unlocked individually or all at once for $24.99 USD. In the adventure players can defeat 17 NPCs to unlock a total of 31 new Hearthstone cards, including 5 Legendary cards! Here are the five announced wings:
Blackrock Depths (Release date: April 2, 2015) This sprawling underground city is the stronghold of the Dark Iron dwarves, thriving deep beneath the surface.
Molten Core (coming soon) Face fiery elemental minions in searing magma tunnels at the heart of Blackrock Mountain.
Blackrock Spire (coming soon) Climb to the heights of Blackrock Mountain to invade Nefarian’s domain and square off against ogres, orcs, and dragonkin.
Blackwing Lair (coming soon) Foil the lord of Blackrock by disrupting his attempts to create the perfect draconic minions.
The Hidden Laboratory (coming soon) The final showdown, where you’ll contend with fiendish technology, horrifying experimental monstrosities, and the mastermind behind them all.