For quite some time, the Duel Dragons of Danger World had found themselves being mocked by others. Their rivals grew in power, while the methods the Duel Dragons had used for generations didn't seem to work anymore. Then, one day, Demongodol returned one day from a training trip, having attained new power, now calling himself Demongodol Ark. His fellow Duel Dragons praised him as the "Fighting Dragon Emperor" and asked to study under him, requests which Demongodol accepted.
The "Ark" series is an evolution of the defensive, yet aggressive, style of Duel Dragons. By forcing the opponent into attacking a specific monster on the field, they are able to use Weapons to aggressively attack the opponent, while preventing the opponent from returning in kind and gaining the ability to use powerful defensive spells that would usually not be useful due to requiring an open center.
List of Sets containing "Ark" cards
- Booster Set 2: Cyber Ninja Squad
- Extra Booster 2: Great Clash!! Dragon VS Danger
- Special Series F-1: Powers Collide!! Fighting Spirit VS Mystic Forces
List of "Ark" cards
List of "Ark" Support cards