Soldiers of the Great Black Mountain Empire erupted with formidable momentum.
They forcibly withstood the Byron Kingdom soldiers' attacks and charged forward with savage ferocity.
Bolstered by various kinds of Plane Power, each of them possessed Copper Skin and Iron Bones, with One Becomes Ten.
Meanwhile, the Byron Kingdom soldiers had no Plane Power secret techniques empowering them and were soon beaten back step by step.
They had no choice but to retreat behind the city walls and hold the city fast, reducing their losses somewhat and enduring a little longer.
The Labor Soldiers also began displaying their value.
Under the effects of the fourth wave of Labor Soldiers' special Military Momentum, a zone capable of healing injuries emerged.
As long as their wounds were not fatal, injured Byron soldiers could rapidly stop their bleeding and ease their pain within this zone.
Then they returned to battle at the fastest possible speed.
The fifth wave of Labor Soldiers also unleashed the special Military Momentum they had mastered.
It allowed them to transport all manner of supplies at high frequency.
At first, they transported food and water. Then came the Byron Kingdom's medicine. After that, they could only transport miscellaneous items such as bricks, stones, and wooden pillars to slow the Great Black Mountain Empire soldiers' siege.
During this time, many injured Great Black Mountain Empire soldiers saw their wounds worsen.
Some were even affected by their injuries during battle, made mistakes in their attacks, and died miserably beneath the blades of Byron Kingdom soldiers.
But overall, the Byron Kingdom was already on the decline.
Han Wu and the four Divine Kings saw the situation and knew there was nothing they could do to turn the tide.
They were indeed experts in warfare, but even they could not make bricks without