General Rahn of the Kai Empire engineers a devastating flood that sweeps Hak and the precious senju herbs away! With the Thunder Beast nowhere to be found, an anxious Yona nevertheless intends to join the Four Dragons on the battlefield as the Kohka army summons all the tribes for war!

Reads from right to left. "First published in Japan in 2022 by HAKUSENSHA, Inc., Tokyo"--Title page verso. Parental advisory: "[R]ecommended for ages 13 and up. This volume contains violence and suggestive themes"--Colophon.