Chronicles of the Cursed Sword Volume 21 (Chronicles of the Cursed Sword (Tokyopop))

The Heavenly Realm plans to seal the Human Realm using eight towers, which will end all life on Earth! To keep that from happening, Rey Yan's group continues their assault on King Wansun's tower. When Shyao, attacking another tower with Jukwol, comes face to face with her sisters and her former teacher, the Holy Mother, will she be able to do what is necessary to save the world?