"Naxxramas is a floating necropolis, home to a host of undead bosses
ready to challenge worthy opponents eager to test their card-slinging mettle."

Do you dare venture forth, and challenge the accursed flesh waiting for you? Blizzard has unleashed the first wing of Curse of Naxxramas, the first expansion for Hearthstone. This unholy update features 30 new cards, a dozen boss battles, Class Challenges, new card backs and more!

At long last Blizzard has announced pricing details for the Hearthstone expansion, Curse of Naxxramas. The pricing model is a unique take on unfurling the floating necropolis of Naxxramas, one week and one wing at a time. Those who log in during the launch event (lasting roughly a month) will gain free access to the "Arachnid Quarter." In the announcement Zeriyah writes: