Blackrock Mountain is Hearthstone's second adventure.
Home to Ragnaros the Firelord and his fire elementals, Nefarian and the black dragonflight, and an army of Dark Iron dwarves, the adventure features 5 wings, with 17 boss encounters in total, and provides 31 new collectible cards for players to add to their collections, as well as a new card backs and a new battlefield. The adventure features a Heroic mode and 9 Class Challenges.
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