In the face of the Goryeo people using long cards and pikemen to cover the advance of the foot archers, the defending general was very cunning, he deliberately ordered the musketeers to fire their guns into the sky, put the enemy at a distance of thirty or forty meters, and then used a large number of three-pounder guns, loaded shotguns, and fired a ferocious salvo, which caused huge casualties to the Goryeo soldiers at the same time, completely tore the long cards located in the front row.

The man then ordered the flintlock musketeers to fire a quick round at the unprotected Goryeo archers.

The fierce rifle fire completely disrupted the Korean assault team.

The Goryeo elite who launched the assault were almost completely wiped out, and the corpses of the Goryeo were densely covered with corpses within a distance of thirty to a hundred meters from the defenders.

Subsequently, Chen Xian's defending general first ordered the artillery to bombard the Goryeo main formation, and when the artillery disrupted the Goryeo army, which was already in panic due to the annihilation of the front line, he ordered the cavalry to make an extremely resolute charge.

In the new round of army expansion and military reform, Chen Xian originally planned to abolish the establishment of lancers and turn the assault cavalry into cuirassiers, but under the incomprehension of Yang Miaozhen and most of the cavalry generals, Chen Xian could only retreat to the second place, while retaining the lancers and cuirassiers.

The main force of this charge was the lancers, and it has to be said that the lancers were still very useful against the infantry.

The Goryeo army quickly collapsed under the decisive charge of the lancers, and then the chasseurs also joined the pursuit.

In the end, Cui Xianzhong's private army was wiped out!

The annihilation of this private army greatly damaged Cui Xianzhong's private army.

The private army is the basis for Cui Xianzhong to maintain his rule, and the defeat of the private army even made Cui Xianzhong's political enemies begin to move.

This made Cui Xianzhong no longer dare to send his own private troops.

Without Choi Xianzhong's private soldiers, the local armies of Goryeo would be even more vulnerable.

Seeing that the resistance was hopeless, and that the invaders were extremely ferocious this time, the nobles of the civil and military classes of Goryeo began to flee south.

With the flight of the two classes of nobles, Chen Xian took over the area north of the Goryeo Xijing and Daedong River very smoothly.

After taking control of the area, which had a population of more than a million, Chen Xian suspended his expansion.

Next, Chen Xian sent a large amount of supplies by sea to the controlled areas of the Goryeo Peninsula, hired and requisitioned local civilians, and completed some infrastructure construction in the area at a very fast pace.

For example, the expansion of the port, the construction of new ports, the construction of roads, the construction of castles in the north, and the construction of improvised towns in the south......

In the process, Chen Xian successfully established his authority over the region, and he dispatched local officials from Shandong, and used the Goryeo people who had been infiltrated in the previous Goryeo Yongju and Inju regions who had been reformed by basic education to serve as public officials, and adopted a policy of treating the local poor Goryeo farmers and slaves equally, and soon settled down the occupied areas.

In just half a year, Chen Xian's effective township management system, with schools as the core and agricultural companies as supplements, was also rapidly established in the control area.

The reason why he stopped expanding on the Goryeo Peninsula was because Chen Xian found that the barely available Goryeo local talents he had cultivated in the infiltration area in the northwestern part of Goryeo were barely enough to help him control such a large area.

In order to avoid getting out of control, Chen Xian was patient, stopped, and waited for this area to be digested.

……

In Shandong, Chen Xian's four-line expansion plan is progressing quite smoothly.

On the Western Front, the Jin people were very dissatisfied with Chen Xian's expansion, and even sent troops to regain the lost chassis, but after encountering Chen Xian's Western Route Army once, they retracted.

As for the southern line, the chassis north of the Yellow River was originally a buffer ground given up by the Song people, and the Southern Song people did not react much to Chen Xian's advance, but only sent someone to inquire.

On the contrary, the northern line was advancing relatively smoothly.

Since the last battle, Mu Huali has been cowering in the central capital, training the Han troops in North China under his control.

At the same time, Mu Huali recruited craftsmen from everywhere and made them gather in the central capital to build arquebuses and cast cannons day and night.

After a year of training, Mu Huali took a part of the Han army in North China to Shanxi to raid.

Regarding Chen Xian's invasion on the northern front, Mu Huali completely ignored it.

It stands to reason that at this time, Chen Xian should speed up the advance on the northern line, and take advantage of the time when Mu Huali has no time to look eastward, and occupy as much territory as he can occupy.

But Chen Xian couldn't do that.

Fighting with the Mongols on the North China Plain, if there is no stable rear, it will be too much of a loss, at this time, Chen Xian desperately occupied more chassis, and could not build enough castles to protect, then once the stimulating Mongols returned from Central Asia, these chassis without castle protection would become a supply depot for the Mongols.

……

After making sure that Mu Huali had really left Zhongdu, Chen Xian hesitated to lead the army and attack Zhongdu, but after hesitating for several days, he finally dispelled this idea.

After the last battle with Mu Huali, Chen Xian was very concerned about this enemy.

After knowing that the other party was running the Central Capital, Chen Xian immediately set up an intelligence group to raid the Central Capital and monitor Mu Huali's whereabouts.

This intelligence group, which Chen Xian named the "Nineteen Group", adopted a two-line approach in order to monitor Mu Huali and Zhongdu.

The first line is the Han army that Mu Huali is training.

As early as more than a year before the Great War of Chen Mu, Chen Xian had sent many spies to various warlords in North China, most of which came from Yang Miaozhen's all-round cavalry.

Through this group of all-round cavalry instructors, Chen Xian selected among them those who had been more successful in ideological reform, and specially recruited them to the Intelligence Department, where they underwent in-depth training.

After so many years of operation, the Intelligence Department has also summed up a lot of lessons and lessons in practice, and at Chen Xian's request, the Intelligence Department has compiled these lessons and lessons into a book, from which it has summed up the training materials for intelligence officers.

Most of these intelligence officers from Yang Miaozhen's all-round cavalry army were born in wealthy families in Shandong and practiced martial arts since childhood.

Because of Chen Xian's brutal purge, the number of Shandong Haoqiang's children who fled to Hebei was particularly large.

These people's parents were purged by Chen Xian, their family property and land were occupied by Chen Xian, these Haoqiang children who fled Shandong and Chen Xian have a deep blood feud, they fled to a foreign land, except for a martial arts, there is no longer anything, so most of them defected to Hebei Haoqiang.

The spies sent by Chen Xian with the same background easily blended into the army of Hebei Haoqiang, and these spies formed a faction in the Hebei army by joining forces with the sons of Haoqiang who were also from Shandong.

Because this faction is an outsider, it is not treated by the Haoqiang, and it has the ability, this time Mu Huali convened the training of the Han army, and the Haoqiang threw all these Shandong people who were not very obedient to Mu Huali.

Therefore, among the Han troops summoned by Mu Huali to Zhongdu, there were many spies sent by Chen Xian at the beginning.

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