The gang decides to participate in the Sky Race. Along the way, they encounter Northern Goshawk, who says she was attacked by a Cerulean... and she seems to be acting strangely...

Broken and battered after his exhausting battle against Valon, Jonouchi can barely stand up, much less duel! However, he has no time to rest before he faces a fresh and determined Mai! Both their souls are once again on the line inside Seal of Orichalcos, but unlike last time, this duel is NOT going to end in a draw! Can Jonouchi make it two victories in a row, even if it means trapping Mai’s soul away forever?

Jonouchi and Valon’s battle rages to its roaring climax as Jonouchi attempts to turn the duel around by augmenting the very same armor that Valon used against him! But is Jonouchi’s strategy just a pale imitation that’s never as good as the original? And there’s also no rest for the weary – after their duel is over, a new duelist is ready to pick up the pieces and battle the winner!

With his scientifically-advanced armor, Valon systematically dismantles Jonouchi’s every move! However, Jonouchi is ready to strike back with his own modern armory as he combines Claw of Hermos with Rocket Warrior to form a never-before-seen cannon with incredibly devastating capabilities! As Jonouchi fires the final obliterating blast, victory is in his grasp... or is there more to Valon’s techno tactics than meets the eye?

Decked out in high-tech body armor and weapons, Valon is pummeling Jonouchi with punishing punches! Valon’s helmet also feeds him crucial data on Jonouchi’s monsters, allowing Valon to analyze and assess the optimum strategy to render Jonouchi’s forces obsolete! Can Jonouchi outthink the computer before he’s downsized into oblivion?

Kanna is being threatened by Hojo, a private detective working for Ryuzoji. She says goodbye to Takuya, and threatens to leave forever…

A new discovery in a previously mapped out dungeon might be the first step toward Kazuma repaying his massive debt. Unfortunately for him, Aqua is determined to help.

A new discovery in a previously mapped out dungeon might be the first step toward Kazuma repaying his massive debt. Unfortunately for him, Aqua is determined to help.