Inside Black Stone City, while the immigration and ransom arrangements were being carried out smoothly, the follow-up forces led by Zhou Xu had also completed their preparations and officially set out.
Yan Sheng's main force had previously departed Black Stone City with the supplies looted from the entire city. Reaching West Mountain City would take them roughly ten days.
Compared with Yan Sheng's house-moving pace, Zhou Xu's army had set out in a completely light formation.
At their speed, reaching West Mountain City from Black Stone City would take around seven days. Green Forest City was somewhat farther away, but would still take only ten days—the same amount of time Yan Sheng's main force had needed to reach West Mountain City.
Considering the transportation problems of this era, it was best to keep the distance between cities within ten to fifteen days. If they were too far apart, then should anything happen, they would not even have time to mobilize their forces.
From the perspectives of development, internal resource transfers, and wartime support, there was nothing wrong with this arrangement.
The problem was that if something went wrong and control fell into the enemy's hands, this distance would also allow them to reach their doorstep very quickly.
At this very moment, the army led by Zhou Xu had already reached the outskirts of Green Forest City.
Half a day's journey from Green Forest City, the three hundred Vanguard Iron Cavalry had already gone ahead to rendezvous with them. They had also confirmed that Liu De had yet to launch an attack on Green Forest City.
Without wasting any time, the army soon advanced to the outskirts of Green Forest City.
The defenders on the walls naturally noticed their presence and immediately blew the horn announcing an enemy attack.
Hearing the