World Duel Carnival Preliminaries is the second arc of the Yu-Gi-Oh! ZEXAL anime, encompassing the preliminary rounds of the World Duel Carnival tournament. It is a Duel Monsters tournament hosted by Mr. Heartland and made created by Dr. Faker for purpose of gathering all Number Holders in one place, as they need all hundred "Number" for their plans. In the same vein, Astral and the Vetrix Family also see the tournament as the perfect opportunity to gather more "Numbers".