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?
I had to do my best, too.
كان عليّ أن أفعل ما بوسعي أيضاً
Das hatte ich beschlossen.
yo también debía hacerlo.
decidí que debía hacerlo.
Je devais y arriver.
che mettercela tutta anch'io.
eu precisava me esforçar também.