Since then, it is the place name after the Ming army withdrew from Luchuan, that is, the "Jinsha River" recorded in the "History of the Ming Dynasty", and later the Irrawaddy River.

In any case, the former "Jinshajiang Oath" cannot be allowed to happen again, Jiang Yu secretly made up his mind.

He put away his mind from the map and looked up at Duoyu: "Duoyu, the information from Longdong Village to Namang Village is the most important thing for us now, you take my token and let this person take it——"

Jiang Yugang took out a square piece of black jade, the pattern on it was similar to the smiling face of the secret academy's identity certificate, but there were also two words engraved on it: "Yu Gang".

He pointed to the female guide standing in front of the door: "——Take you to the secretary general of the watch hall, and inform him that from today onwards, the intelligence level of the Indoki branch on the movements of the Luchuan army will be upgraded to the highest intelligence, and let him select competent people to help you." ”

After that, Jiang Yugang instructed the female guide again: "You also have to inform the secretary general of the Divine Imperial Hall, contact the Heavenly Hall, and send a commissioner to the Indoji branch together." ”

"No matter what method is used, we must get the most detailed strategic planning of the Luchuan Army, and the funds are not limited!" Jiang Yu raised his voice at the end.

According to the current intelligence, it is estimated that the total number of the Luchuan Army is about 40,000, of which the number of soldiers may be around 20,000.

At this time when the fourteenth year of orthodoxy was about to enter the summer, in addition to the Mang Castle, there were less than 3,000 soldiers in the area of Mengyang City, and it was objectively estimated that the ratio of troops should be about 1 to 10.

This is the fundamental reason why it was difficult to support long-range operations in ancient times, even if the Ming Dynasty developed to the peak level, under the condition that the military tactics, equipment and logistics level were sufficiently guaranteed, and the region was not fully controlled, the consumption of the army would appear in a state of "one thing and the other".

Even the world powers hundreds of years later were plagued by the quagmire of war during the expedition, and they also had an ability that the Ming Dynasty did not possess at this time: subsequent manpower replenishment.

In the Battle of Luchuan, the Ming Dynasty mobilized the strength of several commanders, and there was no surplus manpower to be deployed, and even if there were, there was no effective logistics ability to organize and deliver to the battlefield.

In this terrible quagmire of long-term warfare, the Ming army fought less and less, but the Luchuan army could continue to replenish, Jiang Yugang had long thought that there would be an unacceptable scene.

And the latest intelligence has ruthlessly brought detailed descriptions of such scenes.

···································

Based on the new information brought by Duoyu, Jiang Yuyan sorted out the information about the assembly of the Luchuan army that he had obtained during this period of time.

On a map with the widest coverage, all the points involved in the intelligence were redrawn, from Heping Town to Nanma Village, from Longdong Village to Namang Village, and the node Yewei Village located in it, the Luchuan Army basically completed the encirclement of most of Mengyang City.

The only flaw in the entire encirclement network lies in the Manggu Mountains southwest of Mengyang City.

But after careful analysis, it is not so much that this is a gap, but that this is a good road left by the Luchuan army for the Ming army of Mengyangcheng.

It is true that the Manggu Mountains are near the communication line, but it is near the communication line from Mengyang City to the south, and the most critical lifeline of the Ming army, the transportation road of materials, is the road leading to the northeast from Heping Town to the first line of Gongwei in Yewei Village.

If the defenders of Mengyang City were forced to retreat to the southwest of the Manggu Mountain Range, and finally surrender the communication line between Mengyang City and the northeast, it would be equivalent to giving up the most important material transportation route.

The current Ming army really does not have the ability to reopen a road to the camp of Manmo to pacify Si Weiyuan in the mountains and forests south of Mengyang City.

Jiang Yugang's plan was to set up an ambush at Manggu Fort to meet the attack of the Luchuan army, but he obviously underestimated the wisdom of the Luchuan army, and after the continuous setbacks in the Manggu Mountains, they directly and decisively gave up the strategy of attacking Mengyang City from the Manggu Mountains and sweeping the Ming army in one go.

Instead, he chose to gather a large army to storm the northern part of Mengyang City, with the goal of seizing the stronghold of Mengyang City and cutting off the communication line of the Ming army. At that time, even if the Ming army retains the main force, it will soon face the situation of depletion of supplies.

Even if the supplies of the garrison of Mengyang City were enough to support it, the 100,000 troops on the front line of Jiangtou City would definitely not be able to support it.

This is the lore of the Luchuan Army, on the former world line, on the world line that Jiang Yugang learned from history, the Luchuan Army finally forced back the Ming army.

Drawing around the various strongholds outside Mengyang City, deducing various methods, before you know it, the sky has darkened.

Jiang Yuyan didn't like to look at things under the candle, so whenever he chose to stop working, he stood up and stretched a big lazy waist.

Glancing at the densely packed maps painted with various markers, he couldn't help but feel a little emotional, as if he hadn't written so many words for a long time.

Since graduating from university, I have been wandering outside for seven or eight years, and I am not a serious job in the eyes of everyone, and I have not worked hard or seriously.

It was also after the establishment of the Secret Academy and the formalization of the work of the Intelligence Department that I once again experienced the concentration and busyness of the students.

He gently pushed the secret door in the bookcase in the corner of the room, and behind the secret door was a path, and at the end of the path was a plain-looking wooden door.

Jiang Yuyan took out a white mask from his body and put it on, another reason why he promoted the use of masks in the Secret Academy was to hide his identity.

He can be said to be the absolute master in the current Mang Castle, and everyone has been reorganized by his organization and management, and lives under the rules set by him.

The inhabitants regarded him as a hero who protected their lives and livelihoods from the Luchuan Army, and most of the subordinates of the various courtyards and the army were deeply impressed by his level of painting as a modern person, and believed that he would have a bright future with him.

With this strong recognition and support, it is not an exaggeration to say that Jiang Yugang alone maintains the entire Mang Castle, and in such an environment, he has become the most critical figure.

The thing that worries Jiang Yu is that if the Luchuan army also understands this, it is likely to send someone to deal with him first, and for the sake of the expansion and development of the Mang Ancient Castle, it is impossible for him to refuse any manpower from the Luchuan locality.

In this case, it is possible to mix in any character, and the use of the mask of the Secret Academy is equivalent to creating dozens or hundreds of stand-ins for him in disguise.

What is the image of Jiang Yugang? A man in a mask. And everyone in the Secret Academy, except for when performing hidden missions, must wear a mask at all times, so unless they are very familiar with Jiang Yugang, it is impossible to find out which person is Jiang Yugang.

If you act rashly, you will expose yourself.

In order to make this disguise more thorough, Jiang Yugang also asked Zhang Dake to specially organize the women weavers in the Creation Institute to make a batch of black long clothes to use as the uniforms of the Secret Academy, so that it was even more difficult to distinguish.

································

Over the past few months, in addition to the various academies, the army has also developed rapidly.

Jiang Yugang's title of "army master" actually comes partly from the army, after all, he is also the direct leader of the army, so this title also has the meaning of "army master".

In fact, after the establishment of the Divine Hunting Academy, the army is, in a sense, a subordinate executive force of the Divine Hunting Academy; However, the construction of the temple itself is incarnated in the army, and it can also be said that the temple is actually the embodiment of military officers.

In fact, the two were integrated and reorganized, and to a certain extent, they were further separated from the original Ming army establishment, and Jiang Yugang also carried out changes to the establishment along the way, whether it was the original establishment of the small flag and the general flag, or the later period of army expansion, the temporary establishment of the company and battalion adopted as a transitional means was replaced by the new establishment method.

However, when it comes to the development of the Manggu Fort army, we have to mention the impact of the Luchuan army on the Manggu Mountain Range.

In order to get more manpower from Manggu Castle, Jiang Yuxuan basically only focused on cleaning up the bandits near Mang Castle and the small force of the Luchuan Army, and completely allowed the Luchuan Army to move in other parts of the Manggu Mountains.

The Luchuan army gradually understood the attitude of the Mang Castle, as long as they did not touch the forces of the Mang Castle, no matter what they did, they would not intervene.

In addition, because of the existence of Manggu Castle, they were unable to establish a real stronghold in the Manggu Mountains, so they attacked other settlements and cottages in the Manggu Mountains even more viciously, looting everywhere they went, and forcibly capturing young men who could fight.

As long as anyone dares to resist, it will be a massacre to establish power and rules.

The Ming troops stationed near the Manggu Mountains basically took Manggu Castle as the main backbone, and saw that Mang Castle didn't care about it, and they had no intention of fighting with the Luchuan Army, so they also watched the actions of the Luchuan Army in Manggu Mountain.

The Ming army waited and watched, and they could not use the interests of this area for a long time, that is, the bottomless plunder, and soon, one by one the villages that chose not to join the Mang Castle were all destroyed under the plundering of the Luchuan army that was several times more cruel than before.

The bandits are more unscrupulous in this case, and some of the smaller villages, or settlements, have been repeatedly baptized by the Luchuan army and the bandits, and finally even the chickens and dogs are not left, and the Manggu Mountain outside the Mang Castle has become a hell on earth.

This situation lasted less than two months, and none of the villages in the Manggu Mountains could continue to sustain, and the villagers fled in all directions, and Manggu Fort became the destination for the vast majority of them.

"If you knew this was the case, why bother in the first place." This is Jiang Yugang's evaluation.

He is not doing public welfare in Manggu Mountain, every time in order to protect the local people and the Luchuan Army, he has to pay the price of the lives of the soldiers of Manggu Castle, and the residents of Manggu Mountain, if they want to obtain protection and a good living environment, they must make their own contributions to Mang Castle, at least join Mang Castle and participate in the development of Mang Castle.

If you want to be an independent of Mang Castle and establish an equal relationship with Mang Castle, it is impossible to get the protection of Mang Castle for free.

Jiang Yuyan didn't plan to let them eat Huitou grass so simply and be taken in by Mang Castle.

The first major task after the establishment of the Heavenly Hall of the Secret Academy was to assassinate the leading figures among the villagers who fled to Manggu Castle after all these villages were destroyed in the looting, and completely cut off their influence, especially Mangyun Village and Manglu Village, who took the lead in refusing to join Mang Ancient Castle at that time.

In the chaos of the escape, the mission was carried out smoothly, although in order to avoid revealing their identities, firearms could not be used, but the members of the Heavenly Hall were basically the best soldiers in the Manggu Castle, relying on bows and arrows and daggers to successfully complete the mission.

In the late spring and early summer of the fourteenth year of Orthodoxy, with the build-up of the Luchuan Army and the frequent activities that followed, all the other villages in the Manggu Mountains were finally destroyed, and Manggu Fort received the vast majority of the surviving villagers.

In the end, Manggu Fort still gathered the manpower of the entire Manggu Mountain Range, and on June 10, the population was more than 3,500 people.