Duhui's main force is dominated by the royal guest and the people's army, the Song army has only a small part, and the rest of the Song army retreated to Kangzhi, Yesui, and Zhaoting in April.

Under pressure, Shu Tong finally agreed to break through, and the time for the breakthrough was set for the morning after tomorrow. In the second half of the night, a raging fire broke out on the westernmost beacon tower on Tiannan Mountain in the west of the city, accompanied by the dazzling white light of the burning canister.

The unusual movement on the snowy mountain also attracted the attention of the Adès Legion outside the city:

"Commander of the legion, it must be a breakthrough signal from the northerners in the city to the northerners of Feiyapu, we should immediately send elite cavalry to encircle and suppress, in case they should join forces inside and outside and break through to Yesui!" A total long road.

"I agree!" The commander of another regiment said: "The northerners north of Duhui City are already sick cats in cages, and they are at the mercy of our army at any time, if they break through at this time and successfully retreat north to Yesui, it will be thousands of times more difficult to attack Yesui than to besiege Duhui." ”

The generals under the tent asked for help, and the commander of the legion, Nilson, remained silent, and the whip in his hand kept spinning, but at this moment he suddenly stopped and said:

"Everyone wants to annihilate the northerners of Feiyapu, so you know how many of them there are!"

According to the scouts, they had 13,400 men, only 6,000 cavalry, and the rest were infantry on horseback. As long as our army dispatches 20,000 light cavalry, it can easily crush them! ”

The general said, but Nileson sneered mockingly:

"Then do you know the origin of this northerner hiding in Feiya Waterfall, and why they are hiding in Feiya Waterfall."

"It doesn't matter what they do, just pounce on them and kill them!"

The head of the regiment said without thinking, but in exchange for Nilson's rebuke:

"It's all a bunch of idiots, let you read more northerners' books, usually take it as a deaf ear. The northerners hiding in Feiya Waterfall defeated our army's 30,000 light cavalry with 12,000 men last year, and then defeated Jabanis and Dean heavy cavalry, killed Hochko, and severely damaged the northerner army of the Kilos infantry army.

Do you know what kind of terrain Feiya Waterfall is, it is all mud, our light cavalry is heavier than their heavy cavalry, and if we rush out, do we want to send them to death! ”

During the siege of Duhui last year, the barbarian army had already explored the terrain within a radius of several hundred miles, and Bailiyan detoured to Feiya Waterfall, but also failed to escape the eyes of the barbarian scouts, Nilesen knew very well the terrain around Feiya Waterfall, both woods and swamps, and rashly let the cavalry attack, it may be worse than Jabanis.

When the generals heard the news of the Xian army, instead of retreating, their fighting spirit became more and more surging:

"They are all a group of sick tigers who have suffered from blood disease, maybe there are not many people left now, 20,000 cavalry is not enough, then dispatch 30,000 to deal with their diseases, it is completely enough."

"That's right, the blood drain disease can kill them, and if you attack now, you can wipe them all out."

Lychemia is the name given to the current outbreak of the plague by the Jinxuedi people, which first appeared in the Antarctic region of the Jinxuedi people, and was infected through airborne infection due to a long-term lack of vitamin C intake.

This disease has strong pathogenicity to people with severe and extreme vitamin C deficiency, is sensitive to temperature, and is not suitable for transmission in summer and temperate, medium temperate, tropical and subtropical regions, and is prevalent in the south of the Jinxuedi people and in the cold zone for more than 300 years.

About 50 years ago, due to the accidental discovery that fruits and vegetables can prevent this disease, the cure for this disease was gradually mastered by Jin Xuedi.

In this northern expedition, the Jin Xuedi people figured out the life rules of the Central Plains coalition army through the Central Plains thieves, so in the late winter and early spring, the disease was widely spread in the rear of the coalition army, so as to achieve the purpose of eliminating the population of the Central Plains and weakening the living force, so as to quickly break through the Tiannan defense line.

All the generals under the tent expected that the Xian army was infected with this disease, and there was an endless stream of people who asked them to fight, and the commander of the regiment, Nilerson, despite the opposition, forcibly vetoed the decision to attack:

"I've made up my mind, and there's no need to discuss this matter anymore. The army will continue to besiege Duhui tomorrow, waiting for the northern army of Feiyapu to come to the rescue, and then catch it all again. During this period, it is forbidden to go to war without authorization, and those who violate military orders will be severely punished! ”

"Commander, the northerners intend to break through the siege, they are bound to fight to the death if they cooperate inside and outside, and our army will suffer great losses." Brute general.

"I have a clever plan for the northerners to break through, all armies must prepare geotechnical equipment tomorrow, how to arrange, obey my dispatch!"

When the generals asked for battle, Nilesen had already planned everything, Duhui had to save the dead, and waiting for the rabbit was obviously less risky than taking the initiative to attack.

On the second day, the Xianjun repaired overnight, Baili Yan rubbed his face by the river, and the sweet meltwater of the snow-capped mountains made people feel refreshed, and Jiang Jie, who was distracted on the side, said at this time:

"My lord, this lake is so huge, why don't you see a single fish or shrimp?"

"What, I'm tired of eating meat, and I want to catch some fish and shrimp to try?"

Bai Liyan asked rhetorically, Jiang Jie scratched his ears and cheeks, as if he was in his mind.

"The meat is delicious, but the way I eat it is really uncomfortable."

"Hehe, when I go back, I can't eat even if I want to."

Bailiyan stood up and prepared to return to the camp, when Sikong Nan came to him:

"General, the Malay report, the barbarian army doesn't seem to have found any trace of our army, is it too worried?"

Two days ago, human feces were accidentally found on the way to the army, and Bailiyan suspected that it was left by Jin Xuedi.

Unlike the people of the Central Plains, the Jinxuedi people do not grow rice, and there is very little wheat, but only one kind of rice with a large yield, and can grow brown oats and barley almost all year round. The people of the Central Plains mainly focus on rice, oats, and wheat, and rice cannot be cultivated in the south, but wheat and oats are widely planted, so the living habits of the two groups of people are very different, and the excrement is completely different.

As the saying goes, the devil is in the details, and the trick of tracing and finding traces lies in the truth in the subtleties, Bai Liyan concluded that the Jin Xuedi people who left feces would not leave the local area for more than half a day, and it was very likely that they were scouts, and the whereabouts of the Xian army had been exposed, and Bai Liyan immediately sent scouts to the direction of Duhui to monitor the movements.

"Jin Xuedi is very deceitful, so it's better to be careful. The place where human droppings were found was very close to Feiya Waterfall, and it should have been here to investigate the terrain a long time ago. Moreover, there is a water source here, the grassland is fertile, suitable for grazing horses, and the barbarian army sent scouts, most of them to determine whether there are allied reinforcements in the direction of Tiannan Pass.

If the barbarian army has discovered the traces of our army, but does not come to attack me, the mystery is intriguing. ”

Bai Liyan guessed, and Sikong Nan said:

"Will the barbarian army suspect that our army is sick, and wait for our army to defeat itself without a fight, and then attack me again."

"There may be such a possibility, but there is one thing that cannot be said."

"What does the general mean?"

"If the barbarian army discovers the traces of our army, and the beacon fire on the top of the west hill of Duhui City is clearly visible, then the barbarian army must have seen through the fact that our army should break through the siege from inside and outside. According to common sense, the breakthrough of the dangerous city should be decided quickly, and it should not be delayed for a long time, so the breakthrough of the Duhui defenders will be within these two days, and the barbarian army must be able to expect it.

And there are still more than 100,000 soldiers and horses in the city, even if half of them die of illness, there are still 70,000 or 80,000 people in Duhui City, and at that time, the young and strong men and women in the city will break through to the outside, how can they parry with only more than 200,000 barbarian troops! ”

"What does the general mean is that the barbarian army is waiting for the rabbit?"

"Exactly, not only is it waiting for the rabbit, but I even suspect that the barbarian army must have set up a clever plan to put our army and the Duhui defenders into it. It seems that things have changed, the barbarian army must be holding back some bad tricks, and they can't wait any longer, the whole army will immediately move westward and start in advance! ”

Duhui theoretically still has 150,000 or 60,000 capable fighters, and he will break through to Yesui with all his might at any cost, and the barbarian army besieging the city on three sides can't resist it at all, and it can't resist it even more under the combination of inside and outside. The barbarian army did not solve the Xian army first, but continued to besiege the city and hold its ground, which was completely contrary to common sense.

As Bailiyan expected, the barbarian army mobilized 30,000 people at noon that day to dig a ditch from east to west at the foot of Dongtiannan Mountain, so as to block the way out for the Duhui defenders to break through the encirclement and flee to Yesui from the north gate, forcing the Duhui defenders to flee from the south gate and the east gate and get into the trap preset by the barbarian army.

When Su Fangyi heard the news, he quickly came to the lookout tower of the North Gate Tower, and his every move of the barbarian army digging a trench could be seen clearly in the telescope.

"It's bad, it's bad, the barbarian army has seen through our army's strategy to break through, and if we continue like this, we will be able to cut all the roads tomorrow night!"

Su Fangyi was worried, and Sai Qian put away the binoculars and said:

"It's better to kill it at this time, and there will still be a glimmer of life!"

"No way!" Shu Tong denied, pointing to the barbarian cavalry gathered outside the northeast corner of the city wall: "The barbarian army has concentrated tens of thousands of light and heavy cavalry in the northeast, and once our army breaks through from the north gate or the east gate, they will immediately pounce on our army, and the consequences will be unimaginable." ”

At this time, Sai Qian hurriedly asked Su Fangyi:

"Mr. Su, you have a plan to deal with it!"

"If it is only a siege, our army may not have a problem holding on for a year and a half, but now it is the internal and external difficulties and diseases that are raging, and the barbarian army is feintting to retreat, in fact, it is forcing our army to break through from the south gate in advance, and Yesui is in the north, whether our army breaks through from the east gate or the south gate, it is bound to encounter the barbarian army layer by layer to block and follow and chase and kill, and there is no possibility of survival.

For today's plan, the only way to rely on the city is to lure the enemy to our army to fight under the city, and then choose the opportunity to break through to the north, and it must not be delayed until tomorrow! ”

"It's too risky, and the flank of our army is very likely to be overwhelmed by the barbarian cavalry!"

Shu Tong said, and Sai Qian took over:

"Then I will personally lead the spear array and strong archers, go out of the city first to fight to the death, our cavalry will line up in the rear to respond, and finally the infantry will go out of the city, so as to stop the barbarian cavalry from attacking."

Shu Tong couldn't make up his mind, and asked again:

"Master Saiqian can be sure!"

Sai Qian snorted coldly:

"Hmph, I don't dare to say that the Central Plains Gun Formation is the best in the world, but the brute army will never be my opponent. With me in the field, I will ensure the safety of our army's flanks! ”

"Well, this battle will be led by Master Sai Qian in a spear formation, and it must be delayed until the barbarian army for an hour, so as to facilitate the formation of our army!"

Su Fangyi immediately decided to break through the siege in advance before the barbarian army dug a trench.