Yona of the Dawn Vol. 40 — Manga Raw / Buy Official

Dromos, the assassin band unleashed by Sei, finally breaches Hiryuu Castle, the very heart of Kohka. Fighting alongside General Vold, the linchpin of the castle's defense, Mei-Nyan is steadily cornered by the assassins' deadly skill. Then, at her most desperate moment, an unexpected figure appears—one who shakes the course of the battle. At the front, the fighting of Yona, the four dragons, and Hak reaches its crescendo, and the life-or-death struggle against Sei erupts on every field at once. Old grudges collide and everyone faces their trial in Volume 40, deep in the Sei arc's endgame.