Blizzard updated their Hearthstone Blog today, revealing details about the pricing and release structure for the upcoming Curse of Naxxramas expansion, as well as info on the newly announced Heroic Mode.

While no release date has yet been announced, Blizzard has stated that Hearthstone’s single-player Adventure Mode would launch sometime in July with Curse of Naxxramas, the first Adventure content. Naxxramas will consist of five sections, called "wings," one of which will be released each week. When the update launches, players will have one month to open Arachnid Quarter, the first wing, for free, but each additional wing will cost $6.99 or 700 in-game gold. Players can bundle their wings at a discount; all five wings cost $24.99, but players who already unlocked the first wing can gain access to Plague Quarter, Military Quarter, Construct Quarter, and Frostwyrm Lair for $19.99. The bundle price stays in effect for as few as two wings, which cost $9.99.

Curse of Naxxramas will feature a new Heroic Mode, a new-game-plus mode that offers tougher boss battles for those who all defeat all bosses in a wing. Defeating all of the Heroic Mode bosses will unlock a new card back for players. We've been eagerly awaiting new Hearthstone content, and this expansion should prove to provide some really interesting new strategies and battles not just in the single-player, but in the online battles as well.