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?
but I'm amazed that everyone 
believes this fairy tale.
لكنّني مُندهش من تصديق الجميع لهذه الحكاية الخرافيّة
pero me sorprende que crean
esos cuentos de hadas.
pero me sorprende que crean
esos cuentos de hadas.
je suis quand même choqué que
tout le monde croie à ce conte de fées…
ma è un miracolo che tutti credano
mas é incrível que todos estejam
 acreditando num conto de fadas.