"Because... well, two reasons, I guess." He drops his chin, idly drawing the sole of his boot back and forth over the gravel. "Our kingdom'd been at war against the Empire of Niflheim for... well, a long time. So partially it was to keep us safe from their airships and armies. The Magitek Troopers, remember?"

They've talked about that.

"The other thing was to keep the daemons out. So everyone could travel safely at night."