Return of the Duelist is a Booster Pack with an OCG release date of April 14, 2012.
It introduces "Chronomaly", "Heroic", "Madolche" and "Prophecy" cards and contains the first support for "Spellbook" and "Geargia" cards. It also contains support for EARTH-Attribute, Machine, Rock, Spellcaster, and Warrior-Type monsters and various new cards from the Yu-Gi-Oh! ZEXAL anime.