Infinite Dendrogram (Manga) Volume 7 by Sakon Kaidou

Things are heating up in the City of Duels! A challenger comes from the eastern nation of Huang He to duel Figaro, the local legend. Naturally the city decides to make a spectacle of it, and Ray just so happens to have front row seats! Both of these Masters wield powerful Superior Embryos, and both intend to give their all to fight, make merry and emerge victorious! Just who will be left standing by the end of their ferocious encounter?