A homunculus manages to breach impenetrable Fort Briggs, and the Elric brothers discover a terrible alchemical secret that pervades every corner of the world as they know it. Meanwhile, Major Kimblee and a ruthless General Raven make Major General Olivier Mira Armstrong an offer she can't refuse. Whose side is she on, really? And how far is she willing to go?

First published in Japan in 2007 by Square Enix Co., Ltd. This book reads from right to left.