Seirei Gensouki: Spirit Chronicles: Omnibus 10 (Light Novel)

Contains the Complete Volumes 19-20. As soon as Rio leaves the kingdom to rescue Liselotte, Reiss and the bloodthirsty Heavenly Lions take the opportunity to strike Galarc Castle. The girls left behind put up a fight—both to prove themselves and to survive. Meanwhile, Rio faces a fight of his own against Saint Erica. Can he return in time to save his friends from the imminent threats, not to mention the ones lurking just around the corner.