Julia fordert Shay zu einem Duell heraus. Zuzu stellt Yuto zur Rede und will wissen, warum er so besessen davon ist, sie zu beschützen.
Masumi, shortly joined by Hokuto and Yaiba, finds Shun and confronts him in a battle royale duel. Yuzu, who had spotted Masumi on her way back from Yuya's duel, attempts to follow her but is stopped in her path by Yuto. As Yuzu asks Yuto why he is so obsessed about protecting her, he explains about the girl known as Ruri, who is revealed to Shun's little sister, and how it is dangerous for Yuzu to seek out Fusion Summoning. Meanwhile, Hokuto, Yaiba, and Masumi bring out their strongest monsters to clear Shun's field and hand and leave him open to attack. However, Shun manages to survive their attack and summons his Xyz monster, Raid Raptor Rise Falcon, absorbing the power of everyone's monsters and obliterating his opponents. As Yuto parts ways with Yuzu, Reiji appears before Shun.
I misteri vengono rivelati quando il duellante mascherato che sta terrorizzando gli studenti dell'istituto Leo viene scoperto e sfidato a una battaglia all'ultimo sangue!
