With the defeat of Kayuu, Ryofu jumps out from the Koroukan, preventing the Son army from advancing any further. He only wants to duel Sousou, who promptly steps forward. However, Ryofu's strategist, Chinkyuu Mercurius steps in and uses his strategem of fire, a stratagem where he has doused the land with oil, to burn the advancing force. But Shiba-i has anticipated this attack, and reversed it with his own stratagem, burning Chinkyuu with his own flame. Soon, Koushun Vayeate and Chouryou Gelgoog step in to take down Sousou. However, Kakouton and Kakouen step in to protect Sousou. Ryofu grows tired, and attacks, injuring Kakouton's left eye. Sousou orders Kakouton to step down.