"Right now, the barbarians are fine with the current situation since they know they will win and take the city sooner or later. We are losing more men and we are not getting any proper rest, so we're getting tired and weaker by the day. It won't be long before there's an opening.
"However, if we all of a sudden go through the night unscathed, the barbarians will realize something's up and change their tactics. They will invest more into this place and make sure to take it down, even if it delays their advance in another place.
"Or they will back down for a little while. We will need to be on alert around the clock, but they can just not do anything and plan or rest.
"The point is, we can't control what they're going to do if we follow your suggestion, Your Highness. We're walking a thin path here, and if we take our first step without knowing where to put our second, we'll fall off."