Mythical Qin: I, Gao Yao, will never be a eunuch!

"General! The enemy is not numerous, roughly estimated to be only about 500 people. In my opinion, they must have encountered the county governor's troops while on patrol near this place. However, this group of enemies has the dual advantages of war horses and the terrain at the valley entrance. The county governor's men have launched several charges, but have not been able to break out successfully. I think this encounter was purely accidental."

At this moment, the diligent messenger reported to Kong Gang in detail and clearly explained the specific situation on the current battlefield.

After hearing this, Kong Gang nodded slightly, indicating his approval of what he said. He was about to open his mouth to issue an order, asking his troops to speed up their march and rush to the front battlefield to assist the county governor in repelling the Chu army.

Because if they couldn't break the siege in time, once the delay continued, it would be very likely that the Chu army would notice their movements, thus causing this carefully planned attack on food supplies to be ruined and all previous efforts to be wasted.

However, just as Kong Gang was about to issue the pursuit order, Han Xin's repeated instructions to him before he left suddenly came to his mind. So he was silent for a while, weighed the pros and cons, and then slowly said:

"Okay, you go back immediately and report to your county governor, and tell him that I will send troops to reinforce immediately, and ask him to hold on and wait for help."

"Yes!" After receiving Kong Gang's clear answer, the messenger's face suddenly showed an excited and happy smile. Then, he quickly turned over and mounted the warhorse, raised the whip and lashed the horse's buttocks, driving the mount under his crotch to gallop towards the direction of the valley entrance again, leaving only flying dust along the way.

Han Xin had given detailed instructions on the relevant matters, and with the current situation, even someone like Kong Gang, who lacked strategy, could keenly sense that something was wrong.

Especially in such a special terrain, they were discovered by the Chu army! Moreover, the Chu army occupied a favorable terrain and just guarded the valley entrance. It was only a short while before Tang Sheng began to ask for help. Kong Gang put himself in his shoes and thought that if he encountered such a situation, he would rush out and destroy the Chu army no matter how big the loss was. After all, this was Tang Sheng's first battle under Gao Yao. If he started asking for help, would he still be able to work under Gao Yao in the future?

As for the fact that 500 people blocked the valley entrance and prevented tens of thousands of people from rushing out easily, Kong Gang still believed it. Special terrain can often lead to special results. In this regard, Gao Yao had already instructed before leaving that the Chu army was good at taking advantage of the terrain.

Why was terrain considered of paramount importance on ancient battlefields? The key lies in the contact surface. If 10,000 people fight against 100,000 people, and both sides are on the same parallel plane, then in the short term, there will not be a significant difference between the 10,000 people and the 100,000 people. Because in the short term, the number of people is not the only factor that determines victory or defeat. Because the maximum number of soldiers fighting at the same time on a cross section is 500, and the 500 people are fighting the strength of the individual soldiers. However, once entering the stage of competing in numbers and continuous consumption, the advantage of the side with more people will gradually stand out.

This is why in ancient times, when marching and fighting on a large scale, generals would often choose open and flat areas like the wilderness as battlefields. Only in such an environment can the army fully exert its powerful combat effectiveness.

Just like the famous Battle of Pengcheng, Xiang Yu led his 20,000 to 30,000 troops to fight against Liu Bang's 600,000 coalition forces. On the surface, this seemed to be a duel between a small number of enemies and a huge disparity in strength. But the actual situation was that Liu Bang's coalition forces adopted a one-by-one cramming attack method, which allowed Xiang Yu to seize the opportunity and thus take the initiative in the war. If they launched a unified attack, Xiang Yu would be exhausted to death even if he was a real god. Of course, this does not deny Xiang Yu's strength, but just make good use of the advantages of the terrain. It is not impossible to fight against a small number of people and a large number of people.

Special terrains can often create places where a small number of soldiers can produce more results. However, what no one knows is that Han Xin, Kong Gang and other senior generals in the army have a special weapon in their hands. Of course, it is not black gunpowder, but a full map of Gao Yao given by the system, which is equivalent to having a God's perspective. Although it is impossible to observe the enemy situation in real time, it can see the mountains, rivers and even canyons in various places clearly.

Just as Han Xin was about to lead his army to the battle, Gao Yao handed him a carefully drawn hand-drawn map. This map covered every possible detail in the three counties of Minzhong, Kuaiji and Jiujiang, and its accuracy was amazing! It marked all the mountains and rivers, roads, canyons, rivers, etc. It was very detailed and complete. It was no exaggeration to say that it was many times more accurate than the intelligence obtained by the scouts who were responsible for investigating the enemy.

However, such a special and precious map was not available to everyone. Only high-ranking generals like Han Xin and Kong Gang were qualified to have it. It was not that Gao Yao did not want to copy the map in large quantities and distribute it to everyone, but because he was worried that the map would accidentally fall into the hands of the enemy and cause the secrets to be leaked. After all, once the enemy got hold of such a clear map, it would undoubtedly bring a huge threat to his side.

Imagine that when other armies were still groping forward on the battlefield like blind men feeling an elephant, Han Xin had already known the entire battlefield situation clearly with this map. It was like when people in later generations played strategy games, the small maps in front of other players were still dark, full of unknowns and confusion; but at this time, Han Xin's small map was completely lit up, where the towering mountains and steep hills stood, which was the surging river, which was the wide and flat road, which was the winding path, which places were suitable for setting up ambushes, which areas might hide enemy troops, and which places were most suitable for hiding... Everything was under control.

It was precisely because of this understanding that Han Xin had already explained to Kong Gang before leaving that no matter where an accident occurred along the way, it would not matter. The Chu army could at most send tens of thousands of people to Minzhong at this time. Even if the Chu army launched a surprise attack, they would not be a match for the Black Armor Army. The only difference was the Earth Dragon Valley in front of them. This was the only place where the terrain advantage could be brought into play to the extreme. The valley was narrow and long, but it could accommodate at least 30,000 troops.

As long as the army enters, this location will be a natural desperate place. As long as there are enemy troops blocking both ends, it will not even take 10,000 people to easily and completely block the exits on both sides of the valley. Then, no matter whether you use fire attack or directly hold on, no matter whether you are cavalry or infantry, it is a place where there is no chance of survival.

The Southern Border Army now has a huge advantage. In this case, a head-on collision is definitely disadvantageous, and an ambush is definitely the best choice. In addition, Tang Sheng's previous performance was a bit strange. Han Xin had already reminded Kong Ganglin before he set out. If there is really a problem at this location, it is likely that the Minzhong Army and the Chu Army are in collusion.

"Black Wind!" Kong Gang shouted.

"I am here!" With this response, a general with a sturdy figure like an iron tower beside Kong Gang rode forward. This man was called Heifeng, and he was a fierce general in the Black Armor Army.

The Black Armor Army was an elite division named by Gao Yao himself. Not only that, Gao Yao also ingeniously divided the army into four regiments, and named them after wind, rain, thunder and lightning. The generals of each division led two thousand soldiers each. All of these soldiers were selected after careful selection, and they directly called each other by the name of the troops they controlled.

At this time, Kong Gang looked at Heifeng with a serious expression and said loudly: "Gather your troops immediately and rush to support the Minzhong Army. But you must remember that the Minzhong Army is very likely to use conspiracy and tricks, so you must be extremely careful along the way. Once you notice that something is wrong, immediately order a retreat and never fight to the end. Do you understand?"

"Yes!" Hei Feng clasped his fists and responded, his voice as loud as a bell. He then turned around, waved the flag in his hand, and shouted the order to call the troops. In an instant, the originally quiet camp suddenly became lively, and the soldiers quickly assembled, moving in unison, showing their high military quality.

Soon, Heifeng led his troops out like a surging tide, galloping towards the valley. The sound of horse hooves was deafening, resounding throughout the valley like a tsunami, raising a cloud of dust, and it was magnificent.

"The rest of you, follow me and set off slowly."

"Here"

After Heifeng had led his men into the valley, Kong Gang announced that the rest of the men would enter the valley one after another. However, Kong Gang himself lagged behind by a few steps, and called over the other generals to discuss.

At this time, in the distant forest, Ji Bu, who was looking at the movement at the valley entrance from afar, also showed a serious look in his eyes.

"The orders are obeyed, the movements are in order, the advances and retreats are measured, and there is no confusion at all. This Southern Border Army is indeed not simple. This army must be the elite among the Southern Border Army!"

One thing is one thing. Although the two sides are enemies, Ji Bu still has to sigh at the elite level of the Black Armor Army. They are all trained to lead troops. Not to mention cavalry, even infantry can hardly achieve this level. The opponent's cavalry can be so neat, which shows how strict the opponent's training is.