Ep. 4: Shobu seeks Hakuoh after Jura's victory while deck rules shift to five mana or less.
Aired on May 21, 2007

4
Following his defeat by the enigmatic Jura, Shobu recognizes the ruthless philosophy of winning at all costs and sets out to locate Hakuoh. After recovering four Duel Orbs with Rekuta, the group faces a sudden rule alteration announced by a mysterious figure. This change mandates that all cards must have a Mana cost of 5 or less. Shobu and his allies adjust their Decks to comply with this restriction and begin searching for new opponents. Meanwhile, Jura and June watch Rekuta with ominous intent, creating tension as the duelists navigate these unexpected challenges and shifting alliances.
Episodes
- Ep. 1 · Shobu and Rekuta accept the mysterious Slash Deck tournament invitation
- Ep. 2 · Shobu arrives at the tournament island where masked man announces duel orb rules and mandatory Slash Deck card integration.
- Ep. 3 · Shobu regains Duel Orbs while a new six Mana Cost rule and mysterious duo complicate the tournament.
- Ep. 4 · Shobu seeks Hakuoh after Jura's victory while deck rules shift to five mana or less.
- Ep. 5 · Shobu gathers five orbs and visits Dr. Root with Hakouh present
- Ep. 6 · Shobu faces Augre's Duel of Truth and loses, receiving Bolmeteus Musha Dragon from Dr. Root.
- Ep. 7 · Shobu faces a new challenge with Angel and Dragon decks after a masked announcement changes the rules.
- Ep. 8 · Shobu faces Wataru's ruthless philosophy before battling Jura with Bolmeteus against Geometeus.