The Black Knights rally forty-seven countries to form the United Federation of Nations (UFN); they then declare war against Britannia to liberate Japan. In anticipation, the Knights of the Round and the bulk of Britannia's military are transferred to Japan. Nina Einstein has the Lancelot equipped with a warhead called the Field Limitary Effective Implosion Armament (FLEIJA). The Emperor interrupts the Federation's announcement to challenge Zero to a battle for the world itself. Fearing for Nunnally's safety, Lelouch admits his identity to Suzaku and asks him to save her. Suzaku agrees, on the condition they meet alone.