Dan is teaching young Battle Spirits fans about the cards, but he is suffering from a thirst he cannot quench. “I want fierce battles! I want to fight someone even stronger!!” And then Mai appears. She asks him to come with him to an era in which he can Battle. The new stage for Dan’s fights is the future. The Earth is being encroached on by Otherworld Mazoku monsters. He reunites with the administrator Kazan who asks him to rescue humanity from the brink of disaster.
Bashin is a grade 6 student who loves trading card games. The globally popular card game Battle Spirits is all the rage. Through some strange circumstances, Bashin acquires a Pyroxene which gives Bashin the ability to become a Card Battler. He can summon the monster Spirits depicted on the cards so they can fight each other. Bashin learns that the legendary X Rare Card actually exists, and he engages in fierce card battles with other rivals to get the X Rare Card.
Shunta, a boy who loves Battle Spirits, is led by a card and called to the “Spirits World” in another dimension. Eto, the priestess who summoned Shunta, warns of the Spirits World’s demise due to the evil God-King’s resurrection. In order to stop it, she says they must bring back together the twelve God-Kings for their powers. Joined by Yoku Albatrosa, a boy summoned from another dimension, Shunta is led by Eto on a journey to find the twelve God-Kings who are scattered throughout the world.
