The freemen who were treated as cannon fodder had successfully climbed up the slope without any resistance.
However, wooden barriers blocked their way. Rather than being tightly built with wooden logs, the barriers bore gaps that allowed spears to thrown through so that the defenders only needed to stand behind the barrier as they attacked the enemies with spears.
Yet, Duke Frances didn't expect that the men that were guarding on top of the wall had disappeared leaving the outer-ring of the wall unguarded. The vanguards breached the barrier with axes and brought down a few logs before pouring into the top of the wall. After a while, the wooden gate was laid down as well.