Yu-Gi-Oh English Collectible Trading Cards Game! 36 booster packs per box! Legacy of Darkness is the 6th expansion for the incredibly hot Yu-Gi-Oh collectible card game. This series will be loaded with all new awesome game breaking cards. This box is FIRST EDITION and will ship as soon as the product releases. If you want to be the first one in town with them, then you'd better place your pre-order now! Legacy of Darkness Booster Packs bring Duelists more Effect, Fiend, Warrior and Dragon type Monsters than any previous set.