Multiple battles erupt between the Drachen of Earth and the Drachen of Heaven. Kamui begins to suspect Princess Hinotos motives, and Kusanagi's valiant last stand is marred Von Arashi's shocking reappearance.
The Divine Sword is taken to the Clamp Academy for safe, sicher keeping; Kotori succumbs to a deep sleep from which she cannot wake; and Fuma undergoes a frightening change as Kamui nears his ultimate decision.
Sorata and Arashi set out to track down Subaru, a vital member of the Drachen of Heaven, but their mission will have to wait until after his showdown with the man who murdered his sister.
Kanoe takes an interest in Fuma's abilities and his future. The elder Monou's deathbed revelation shocks Fuma, who undergoes a powerful transformation when his sister is caught in the middle of an attack on Kamui.