Izetta is powerful enough to fight whole armies, but her strength is limited.  She can only use her abilities near certain ley lines, and outside them, she's no different than a normal girl. When the Germanian army attacks in a spot far from these ley lines, the duchy is forced into a corner: how can they repel these foes without giving up the secret of Izetta's strength?
You sent a spy into
the Eylstadtian army, right?
أرسلتَ جاسوساً لاختراقِ جيش إيلستادت، صحيح؟
Sie haben einen Geheimagenten
in die Armee von Eylstadt gebracht, oder?
¿Enviaste un espía
al ejército de Eylstadt?
¿Enviaste un espía
al ejército de Eylstadt?
Tu as introduit un espion
dans l’armée d’Eylstadt ?
Abbiamo infiltrato una spia
tra le truppe di Eylstadt, vero?
Você enviou um espião para 
o exército de Eylstadt, certo?