The special Collector's Edition package will include the following exclusive bonus items in addition to the game disc: - Art of the Cataclysm art book, featuring 176 pages of never-before-seen images from the archives of the Blizzard Entertainment cinematics department and the World of Warcraft development team, as well as progressive visuals from multiple stages of development - Exclusive in-game pet: he may not be a breaker of worlds just yet, but Lil' Deathwing will still proudly accompany heroes on their struggle to save Azeroth from his much, much larger counterpart - Behind-the-scenes DVD with over an hour of developer interviews and commentaries, as well as a special Warcraft retrospective examining the rich gaming history of the Warcraft universe - Soundtrack featuring 10 epic new tracks from Cataclysm, including exclusive bonus tracks - Special-edition mouse pad depicting Deathwing menacing the ravaged continents of Azeroth - World of Warcraft Trading Card Game cards, including a 60-card starter deck from the Wrathgate series, two extended-art cards, and two Collector's Edition-exclusive hero cards, marking the first appearance of goblin and worgen heroes in the TCG