Alexander would modify the order to move the army from 'at once' to 'by tomorrow', courtesy of his officers.
A huge machine like an army needed at least that much time to change course.
It also let the scouts send a better picture of the overall situation and allowed Metztil's men who were scattered around the countryside to get back to the camp and join the ranks.
Lastly, it gave the men time to discuss strategies and formulate a coherent plan.
It was also here that many of the officers raised the obvious point,
"My lord, we should not lift the siege! Let them run! Isn't this what we exactly wanted? With the defenders gone, Caira will be ours by tomorrow!"
And indeed this logical rhetoric gained a lot of traction among the gathered man.
While the rebuttal came from Remus, who snarled with a very excited face,