Aster learns that D is the one who stole the Ultimate Destiny Card from his father. He challenges D to a duel attached by a key entrusted from Sartorious. Aster begins the match with his D-Hero's, but the world champion proves a tough opponent even for Aster. D then activates the Ultimate D Card, pushing Aster into a tough spot. will Aster be able to beat D and finally find out what happened to his dad? (thetvdb.com)