Yeon Gaesomun now faces a problem. He can still mobilize about 100,000 troops, because 50,000 to 80,000 troops must be left behind in the capital of Pyongyang.
This is the maximum strength he has now. There are more than 20 cities in Goguryeo on the Liaodong front line, with a total garrison force of 100,000 elites and 50,000 auxiliary troops. Among them, Liaodong City has 20,000 elites and thousands of auxiliary troops.
And now that he doesn't know the situation, he doesn't know how to support it. If all the troops are gathered to go over, that is definitely possible, but the question is, if the support troops go over, what will happen near Pyongyang?
He has not forgotten that less than 400 miles south of Pyongyang, there are also at least 30,000 elites from the Tang Dynasty. The Tang Dynasty must have increased its troops in Silla.
This was just what they observed on the front line of Silla. What if the Tang Dynasty added more than 30,000 elite troops to the front line of Silla? If it’s fifty thousand, what about eighty thousand?
This means that once their 50,000 elites on the front line of Silla are breached, Datang will have the opportunity to drive straight in and head straight to the capital Pyongyang!
If there is no support, the situation will be even worse. The entire army of the Tang Dynasty has been dispatched. Now a mere 20,000 cavalry have blocked all their exits. This means that he knows nothing about the front line. Under such circumstances, if there is not enough support, Liaodong will The front line is destined to be breached.
At that time, the Tang army arrived at the Datong River (later the Yalu River, which was called Zhushui before the Sui Dynasty, and was called the Datong River in the Sui Dynasty. It was renamed the Yalu River in the Tang Dynasty, but some people in Goguryeo still called it the Datong River), and the entire Goguryeo was completely destroyed. .
Because the Datong River line, Goguryeo is not like the Liaodong line. There are so many important towns for defense. The Datong River line has only one Wugu City stationed in an important place.
But Wugu City could not guard the entire Datong River at all. Datang even only needed to surround Wugu City, and then other troops could cross the Datong River and enter the hinterland of Goguryeo!
Therefore, the Liaodong defense line cannot be lost!
"General Yuan! Urgent report from Wugu City!" As a messenger arrived, Yuan Gaisuwen became nervous instantly and took the latest information directly from the messenger's hand.
When Yeon Gaesumun opened it, his brows instantly frowned.
"General Qi Yuan, the Tang army seems to have made big moves recently. The Tang cavalry, which was originally active near Liaodong, frequently appeared near Wugu City, and the number continued to increase. Today, thousands of cavalry have been detected together. Near Wugu City, we are now requesting to leave the city to pursue, and please give orders from the general."
After reading the latest information, Yeon Gaesumun frowned. Wugu City is the top priority in the hinterland of Goguryeo, and there is absolutely no possibility of problems. However, the Tang cavalry, which had been mainly harassing them before, appeared. They were near Wugu City, and they showed up in large numbers.
Does this mean that Datang has some conspiracy?
Or is there something wrong with the Liaodong front line?
But no matter what, Yeon Gaesumun felt that he could no longer wait. Wugu City only had 10,000 cavalry, 10,000 infantry, and 5,000 auxiliary troops. If something happened to this number, the entire Goguryeo would be completely destroyed.
"Pass my order." Yuengai Suwen directly called the messenger, "Now order General Hudar to lead 20,000 cavalry and 30,000 infantry to quickly rush to Wugu City. After joining the Wugu City army, combine the troops of Wugu City. Ten thousand cavalry, with a total of 30,000 cavalry and 30,000 infantry, quickly support Liaodong City."
"If the cavalry of the Tang Dynasty harasses them, drive them away and go straight to Liaodong City without hesitation."
"yes!"
As soon as Yeon Gaesumun's order was issued, the entire army near Pyongyang City quickly took action and headed straight for Wugu City.
The reason why Qibi Heli and others started to gather troops was naturally not because of other reasons, but because Datang's follow-up troops began to advance towards the front line of Wugu City, and their original mission of blocking all investigations was naturally over.
Behind him was the Tang Dynasty's 200,000 troops, so Qibi Heli didn't have to worry at all, so of course he had to assemble his troops.
During this period of time, the enemy basically did not take much action, and even the number of scouts sent out continuously was much less. After all, a scout team required a team of five to ten people.
During this period of time, Scout Qibi Heli alone has arrested more than 500 people.
They don't have many troops left to spend like this.
Now he will look for an opportunity to see if he can take advantage of the Wugu City. During this period, Qibi Heli has almost investigated the Wugu City. This city is indeed not easy to attack. It has a mountain on its back. With one side backed by the Yalu River, there are only two sides that can be attacked, and the terrain on both sides is not that easy.
The mountain side of the mountain is steep and difficult to climb.
But this is also true for other sieges. For Datang, there is no bad direction to attack. Even Qibi Heli thought of how to attack.
From the upper reaches of the Yalu River, place the city-breaking thunder directly on the wooden shelf at night, and then float down the river. Under the wall of Wugu City near the river, there is also a river channel from the Yalu River into the city. As long as the city-breaking thunder follows the path of Wugu City, The drinking water river entered the city wall and then detonated.
The entire city wall of Wugu City will inevitably collapse on a large scale, although because the city wall is close to the river bank, even if the city wall collapses, it is impossible to use the collapsed area to attack.
But the collapse of the city wall may block the entire drinking water river.
With the drinking water river blocked and no water source, wouldn't it be a matter of minutes before Wugu City surrendered? Of course, there are probably wells in the city, but whether the wells can support tens of thousands of people drinking water is also a question.
After all, since there is a drinking water river entering the city, even if there are wells, they are only for convenience, and the number will never be too many.
But it doesn't matter, at worst, the city wall in front will be blown open.
The most important thing Qibi Heli did during this period was to investigate all the surrounding terrain. According to Li Shiji's order, they would directly surround Wugu City when the time came, and they could directly use the boats to cross the river when the Tang Dynasty ships arrived downstream.
However, there is still some time before the army arrives. Anyway, the army is not in a hurry now. The entire Goguryeo is along the coastline, and the supplies of Datang are quite simple.
Moreover, 100,000 soldiers were captured in the entire Liaodong front line. These Goguryeo soldiers could also directly transport subsequent grain and grass, which was quite simple.
As for whether these prisoners would rebel, Qibi Heli had not considered it. Since General Li Shiji dared to use them, it proved that these prisoners were not a big problem. General Li Shiji must have received some guarantees.
These are not issues that he, a forward general, needs to consider.
Qibi Heli's guess was correct. In fact, the reason why Li Shiji was not afraid of the rebellion of these captives was also very simple. This had a lot to do with the governance of the Tang Dynasty for more than 20 days.
