Wang Bin's department of the vanguard army erected six pontoon bridges in one go near the island of Jiangxin in the river. In addition, more than 80 warships were deployed on the east side of the pontoon bridge to guard the Ming army's crossing of the river.

The naval division temporarily organized by the Ming army was obviously not enough to resist the main force of the Annan naval army by relying only on dozens of captured warships in Annan. However, the Annan army did not mobilize a naval army in time to counterattack.

The scouts in Jiangbei reported that the enemy warships that had escaped from Mumaru Prefecture were still retreating eastward at this time; The presence of the fleet of the Annam Army has not yet been found.

After receiving the military report, the more than 100,000 troops of Zhang Fu's department reacted very quickly, and they had already pulled out their camp and marched westward a few days ago, and were approaching Mumaru Prefecture.

Zhu Gaoxu thought for a while, and thought that it was destined for the main force of the Ming army to cross the river from the pontoon bridge......

He put on his armor and packed up his belongings. The two women in the room were "chattering" endlessly, mixed with Annan dialect, which was completely incomprehensible.

Zhu Gaoxu didn't say a word, just busy with his own trivial matters. In the past few days, he has let the two little ladies sleep together, and have fun day and night, and after having fun, now he has become like the sage, and he has no interest in women. He also found that the two little ladies didn't understand anything, they liked to talk about the intrigue between courtesans, who was ugly and who was beautiful, and other bad things, Zhu Gaoxu had already felt bored.

He picked up his helmet and walked out of the bedroom. At this time, two women came out, the tall one named Yufang, who could speak Chinese, and she asked, "Does the prince want to take us away?" ”

Zhu Gaoxu said: "After a while, the eunuch Cao Fu will come over to get my things, and you go with him." ”

The guards and soldiers in the courtyard followed, and Zhu Gaoxu ordered: "Gather the brothers of the honor guard, let's cross the river immediately." ”

Zhao Ping hugged his fists and said: "The last general will be ordered!" ”

…… Wang Bin's vanguard army of thousands of men and horses had crossed the river in the morning. When Zhu Gaoxu walked across the pontoon bridge with his pro-army and came to the south bank of the river, he saw corpses scattered everywhere behind the fortifications by the river.

The bodies were not buried, the blood was not completely dry, and the battle here had not been over for long. Zhu Gaoxu patted his horse and came to the riverside, riding a horse while observing the situation on the shore.

Near the river, there was a long, endless trench filled with sharpened bamboo. Behind the ditch was a waist wall with a fence inlaid with hard bamboo pieces.

However, the defense line of the Annan Army does not seem to have played a role.

After Wang Bin's troops crossed the river from the pontoon bridge, they attacked the defenders along the flank of the river. So the corpses were all behind the fence, but there were no dead people in the trenches. Most of the corpses scattered all over the riverside are strong men wearing bamboo hats, many of them have no armor, and it is rare to see the corpses of well-equipped soldiers.

Zhu Gaoxu walked a long way and saw similar scenes. He couldn't help but feel a little puzzled...... When the Ming army broke through the river, it stands to reason that the defenders had no need to resist, because the Ming army at that time had been able to attack the defenders in the fortifications from the flanks and rear flanks.

But why didn't the Annamites of this line of defense withdraw in time?

The only reason, I am afraid, is that the command of the Annan Army on the Western Front is confused. In addition, the delay in organizing a counterattack by the Annan Army on the river has confirmed Zhu Gaoxu's speculation.

…… The chaos of Nguyen Gong Gui in Mumaru Prefecture was a weak point in the Dajiang defense line of the Annam Army. The Ming army thus quickly crossed the river, but to completely break through the defense line of the Annam army, there was still one city in front of it: the city of Duobang.

More than 100,000 people under Zhu Gaoxu's army crossed the river one after another, stationed in two large battalions, and selected a small village as the commander of the Chinese army. They did not march to Duobang City immediately, and waited for the army of Zhang Fubu to cross the river behind.

At this time, Zhu Gaoxu was standing on a large tomb at the back of the village, holding a map in his hand, looking around.

This tomb must have been the tomb of a large local family, and it was built very tall, surrounded by large stone slabs, and there was a stone tablet carved with patterns in front. At this point, however, it became a vantage point on the nearby flat terrain.

On the western side of the sky, the shadows of the mountains are heavy, and the lofty mountains in the distance are the western mountains of Annan. The western mountains are endless, running north-south and east-east.

To the east is the meandering river, which flows in a north-south direction in this area. The West Mountain and the Great River form a terrain that resembles a zigzag...... The city of Duobang (near Tay Son Province) is located in the narrowest corridor in the middle, built on the south bank of the Great River.

The city of Dobang is in the position of the great river protruding to the south, not in the bend; It is also a position that neither hides the wind nor gathers water, or even on the tuyere. But because of this, it is a barrier to resist the Ming army's long march to the east!

There is a valley passage in the middle of the Xishan mountain range, which leads to the Heishui River and can reach the southern coastal area of Annam.

Zhu Gaoxu did not plan to take the road of Xishan, because his goal was to seize the Honghe Plain, the richest country in Annan; To achieve this, it is necessary to capture Thang Long (Hanoi). The best way to take Thang Long from the plains is to take the city of Dobang and then march east along the Great River! The terrain of this road is simple, there are fewer variables, and you can win with strength!

…… At this moment, a military general walked quickly from the village, he stood in front of the grave for a while, and then went around to the side of the tomb, and then hugged his fists and said: "Lord Wang, General Hou Zhang of Xincheng has arrived!" ”

"Got it." Zhu Gaoxu responded. He put away the picture in his hand and jumped straight from the grave.

Several generals accompanied him back and forth, and Zhu Gaoxu returned to the village. He walked into a large tiled house and immediately enthusiastically said, "Xinchenghou, I am fortunate to meet you!" ”

Zhang Fu clenched his fists and bowed forcefully: "Meet His Royal Highness the King of Han." ”

"Look at the tea!" Zhu Gaoxu shouted, and asked Zhang Fu to sit next to the square table in the hall. Zhang Fu thanked him and took his seat, and then said directly: "Let's take the next step, we have to capture Duobang City?" ”

Zhu Gaoxu nodded and said, "Exactly." ”

The two of them talked about the military situation very conveniently, and they didn't need to explain at all, and they immediately reached a consensus: Duobang City. For this reason, Zhu Gaoxu had already calculated it in his heart, so why didn't Zhang Fu have it?

Zhang Fu said again: "His Royal Highness the King of Han has a large camp in the northwest of this place. In my opinion, it is better to leave the big camp untouched for the time being. ”

Zhu Gaoxu said in a very casual tone: "General Zhang is right, there is a valley passage leading to the Heishui River. ”

Zhang Fu immediately showed a relieved expression after hearing this, and no longer said anything about this matter.

Both of them decided to attack the city of Duobang, and not to take the great road of the western mountain; However, the Annan army may go. After the Annan army detoured from that road, it was able to attack the belly and back of the Ming army.

Zhu Gaoxu deployed a large battalion at the mouth of the West Valley to guard against this move...... Since Zhu Gaoxu mentioned that passage, Zhang Fu also understood his intentions. So there is no need to say more.

Zhang Fu pondered for a moment, and suddenly said: "The king of Han divided his troops and camped, and his troops were scattered; Under his command, more than 100,000 cavalry riders have never been in a big battle, and they are in full swing. How about the city of Duobang, why don't you let it go down and attack it? ”

Zhu Gaoxu was slightly stunned. He had no reason to refuse for a while, and without thinking too much, he immediately replied: "Since the Marquis of Xincheng invites Ying, may the public flag be victorious!" ”

Zhang Fu stood up, clasped his fists and bowed: "I am determined to live up to my mission!" Please take your leave. ”

Before the two of them could say a few words, the tea had just been served, and before they had time to drink it, Zhang Fu was about to leave. Zhu Gaoxu didn't stay, got up and sent Zhang Fu to the door of the house, and then called a general to send Zhang Fu and the others out of the village.

Seeing Zhang Fu's back leave on the dirt road at the entrance of the village, Zhu Gaoxu just turned around, and the military general Wang Yu next to him said: "General Zhang is really an anxious person." ”

"Hmm......" Zhu Gaoxu said in a meaningless tone.

Wang Yu said again: "General Zhang came all the way to say a few words?" ”

Zhu Gaoxu said casually: "Only those few words are useful, and if you say too much, it's nonsense." ”

"The last general is stupid, I really didn't understand General Zhang's words, what can I do......" Wang Yu frowned.

Zhu Gaoxu said with a smile: "Deputy Wang Qianhu is working hard, when you are promoted to command, you will naturally understand." ”

Wang Yu's eyes were bright, and he bowed excitedly: "Thank you for the cultivation of the prince!" ”

In the battle of Mumaru Prefecture, Wang Yu led troops to reinforce the city, and fought bravely. Zhu Gaoxu promoted him to three levels in a row that night, and Wang Yu was directly promoted from a trial hundred households to a deputy thousand households. However, Zhu Gaoxu found that this General Wang had just risen up, and the heat was still a little worse. A general is not only a high military rank, but also needs to be trained through combat experience.

When Zhu Gaoxu walked into the tiled house, he couldn't help but turn his head to look at the entrance of the village again.

What Wang Yu said just now seems to have some truth, and Zhang Fu seems to be very anxious. Pingsu, a nobleman, is still very calm and calm, and Zhang Fu is not an anxious person.

Zhu Gaoxu pondered for a moment, and remembered that when he was on the north bank of the river, he was in charge of attacking Mumaru Prefecture City on the western front, and Zhang Fu was in charge of the water battle on the eastern front. As a result, within a few days, Zhang Fu gave up the deployment in the east and turned around to the west.

So General Zhang seems to have the mind to compare, not convinced?

But Duobang City is not Mumaru Prefecture, and Zhu Gaoxu estimated that Zhang Fu was going to drink a pot......

When Zhu Gaoxu decided to attack Mumaru Prefecture before, he thought that Ruan Gonggui was incapable, so he wanted to take advantage of the opportunity. As a result, the chaos of the enemy soldiers on land and water in Komaru Prefecture exceeded expectations.

Nguyen Gong Gui's generals were unable to defend the city, and lost the city with high walls and heavy troops in two days; The command of the naval division was chaotic and the counterattack fighter was missed; Even the defenders on the south bank did not withdraw, and sent countless heads in vain, and thousands of Ming troops let the corpses of the Annan army be thrown all over the riverside.

And the city of Dobang is different. Its fortifications were stronger, and as soon as Zhu Gaoxu entered the territory of Annan, he heard that Annan had repeatedly strengthened the walls of many cities. The city of Duobang is closer to Thang Long City, and the central center of Annam can directly manage the defense of this place. Even if the Hu clan is powerless to properly manage the Qianli Defense Line, Duobang City is already located in the central area, and the deployment will not be too chaotic.

Before Zhu Gaoxu arrived at the city of Duobang, he already felt that the city was difficult to attack, as if he had seen a tragic situation of rivers of blood.

Zhang Fu actually took the initiative to ask Ying, no matter what he meant, Zhu Gaoxu was still very satisfied.