The World of Warcraft Crown of the Heavens expansion set is the 2nd release in the Aftermath Block. Crown of the Heavens introduces new playable Monster hero races and classes with Demons, Dryads, and Ogres as featured Monster races in Crown of the Heavens. There are new exciting powers for each of the featured Monster races and of course, brand new Murlocs (including an epic Murloc)!Each factory-sealed booster box contains 36 packs each.