Fortresses usually had forts within forts, allowing defenders to hold out layer by layer.
Even this tiny Flying Sky Small Fort under Dingbian Wubao was divided into three layers.
First was the outer fort that Ye Zhen had just broken into with a single move. It covered a vast area, but most of its space was occupied by unimportant commercial facilities such as residences, taverns, and inns.
Then came the inner fort.
Nearly all important facilities were located within the inner fort. Its walls had only one-tenth the circumference of the outer fort's, and its defenses were far stronger.
With the numerous facilities inside, so long as the enemy lacked strategically decisive top experts, they could hold out for a long time.
Within the inner fort lay the Fort Lord's Manor, the fortress's final line of defense and place of resistance.
Or rather, the Fort Lord's Manor was where they would make a last stand and await reinforcements.
Its space was smaller and the number of people it could accommodate was limited, but compared to the outer and inner forts, its defensive power was even greater—especially its defensive formations.
The instant Ye Zhen violently broke through into the outer fort, all manner of alarms, shrill warning cries, and signal flags shot into the air like flying arrows.
The militia's military discipline here was even stronger than Ye Zhen had imagined.
After only an instant of yellow-haired chaos, the militiamen split into two groups. One held the outer walls, while the other formed military formations and pressed forward step by step in pursuit of Ye Zhen.
The outer fort was only ten li from the inner fort. With a single Wind Flash Dash, Ye Zhen reached the inner fort's walls.
At that moment, the inner fort's defensive formation had only just