Under the cover of darkness, Rozemyne, Ferdinand, and their Dunkelfelger allies set out to subjugate the Adalgisa villa. But when Gervasio's absence and a betrayal within the Sovereign Knight's Order come to light, the party must switch its focus to the Royal Academy's library. The Divine Avatar of Mestionora goes on a rampage, the Lord of Evil pulls strings from the shadows, and the Zent's sword is finally brought to bear!

The Battle of the Sovereignty reaches its climax in the newest volume of this biblio-fantasy as the wills of the royal family, the Sovereignty, Lanzenave, and Erwaermen all come to a head. Features more than a hundred pages of original content and four-panel manga by You Shiina!