Tongguan, also known as Taolinsai.

Legend has it that in ancient times, the giant Kuafu could not say, drank and died, his cane was lost in the area from Huayin to Hongnong, turned into a dense peach forest, and the peach forest was named after it.

In that year, after Cao Ying coerced the Son of Heaven to order the princes, in order to guard against the Xiliang warlords in the pass, he built a new place where the Tongguan Tongguan was located at the other end of the Hangu Pass, adjacent to the confluence of Weishui and the Yellow River in the north, and the steep and majestic Qinling Mountains in the south.

The top surface of this southern thickness is relatively flat, but its west, north and east sides are steep cliffs, which is a natural danger that is very suitable for the garrison.

Due to the erosion of wind and rain for thousands of years, the original surface was shattered, and several deep ditches were washed out, becoming a natural transportation artery between Guanzhong and Kanto.

Tongguan Guancheng, it is located in the east of this southern plain, if pedestrians or troops want to pass the pass, it is necessary to walk a section of about fifteen miles long, the car does not go to the Huangxiangban to reach the mouth of the Yuanwang ditch, and then go along the ditch stream against the trend to the south of the Yuanyuan, enter the Tongguan Guancheng, and then go down the pass along the west of the city to reach the south bank of the Wei River, and then go west along the bank of the Wei River to enter the Guanzhong.

The whole route is like an upside-down "several" word, in which the drop between the bottom of the Yuanwang ditch, the Jingou ditch and the original face of the south is as high as seventy or eighty zhang, and the middle is extremely narrow.

On the hill, Liu Feng was looking in the direction of Tongguan Pass, where a fierce siege battle was underway.

The commander of the siege was Zhang Ren, the general of Zhengxi.

Along the line of Guancheng, Zhang Ren deployed about 300 thunderbolt vehicles to attack Guancheng with stone bullets.

Because the ditches of Tongguan are narrow and difficult to travel, large siege equipment cannot be transported in, so Liu Feng also brought nearly 1,000 craftsmen with him on this expedition to the west.

After his army arrived at the city of Tongguan and set up camp, he ordered these craftsmen to cut down wood on the spot, and rushed to make more than 300 thunderbolt catapults overnight.

This place is only a mile away from Tongguan, and Liu Feng can even vaguely see the scene when the stone projectiles flying into the sky hit the Tucheng of Guancheng.

Tongguan, which is built on the mountain, is tall and thick, and it is unusually strong, and the thunderbolt bombardment several rounds is just to tickle the gate.

The bombardment did not work, Zhang Ren then launched a strong attack, hundreds of soldiers, or carrying hooks and ladders, or driving cars, bravely facing the rain of arrows like locusts on the city.

Soon, hooks and ladders climbed the city wall, and the soldiers climbed up like ants.

The defenders were well prepared, beating wood and flying stones, arrows and molten iron, and turned over to attack those brave warriors who climbed the city.

Howls began one after another, young bodies fell from mid-air, hooked ladders were overturned by poles, and countless soldiers were crushed to death by the overturned ladders.

After the siege lasted for a long time, the corpses under the city were piled up, and no soldier was able to successfully climb the enemy city.

After watching the battle for a long time, Liu Feng knew that there was no point in attacking again except for damaging the soldiers in vain, so he ordered to stop the attack.

This is already the third attack in half a month, and Liu Feng once again learned what it means to be in Tongguan.

Liu Feng suddenly figured out why Liu Bei's surprise attack on Tongguan was successful, and he was able to block Cao Ying's western aid army with only a few thousand soldiers and horses.

Counting the battle damage, the battle of Fang Cai, the loss of more than 1,000 elites, such a fight, even if Liu Feng's family has a big business, it will soon be unbearable.

Back in the big tent of the Chinese army, Liu Feng's mood was not very high, he looked around at the strategists, and asked loudly: "Tongguan is dangerous and difficult to attack, our army has attacked for more than ten consecutive days without success, I don't know what you can do to break the enemy?" ”

Pang Tong wanted to preside over Luoyang political affairs for Liu Feng as Shang Shuling, and as for Xu Shu, because Liu Feng promised not to make him deal with Liu Bei, he could only stay in Beijing.

At present, the most important strategist by Liu Feng's side is Lu Xun, but there is another person, Liu Bei also brought him with him.

This person is Jia Xu.

At this time, this "poisoner" who is over seventy years old is still full of energy, and his eyebrows are as faint as floating clouds.

At the beginning, because of the surprise attack on Wu County, the strategy of cutting off the connection between Jingyi and the two states finally failed, which made Cao Ying quite annoyed with him, so after that, he rarely used it again.

When Liu Feng fought with Lejia and Cao Ying, Jia Xu was left in Luoyang, and then Sima Yi later launched a mutiny, Cao Ying fell to Luoyang, and all kinds of great changes, Jia Xu was lucky to escape the catastrophe, until Liu Feng entered Luoyang and became the new lord of the Central Plains.

For this "poisoner" who almost killed himself with a plan, Liu Feng didn't hold too much grudge, he was in charge of the government, and after the founding of the country, he was also named the Taizhong doctor, the post was in charge of speech, and the adviser dealt with it, and he was also a high-ranking official.

Jia Xu is really adaptable, Liu Feng didn't blame him, he generously became an official under Liu Feng, but he still maintained his style of "you don't ask, I don't speak".

Liu Feng knew that Jia Xu had a strange strategy, and if he talked about scheming, he was probably no less than Pang Tong, so he brought this seventy-year-old man with him on this expedition to the west.

"Tongguan is easy to defend and difficult to attack, even if our army is ten times more, I am afraid that it may not be able to take it. Now that the state has been won, this western expedition can be regarded as a gain, in my opinion, it is better to withdraw the troops, rest with the people, teach the soldiers, and choose the opportunity to fight again in the future. ”

Lu Xun persuaded Liu Feng to withdraw from the army, this young Jiangdong strategist, in fact, did not approve of sending troops to destroy Liu Bei at first, in his opinion, recuperation is the top priority.

The battle has come to this point, Liu Feng came with the belief that he would win, this time, he would not destroy Liu Bei and would never retreat.

Regarding Lu Xun's suggestion, Liu Feng just smiled.

He then turned his gaze to Jia Xu and asked, "Wenhe, I don't know what you can do?" ”

Jia Xu coughed lightly and said unhurriedly: "What Lu Boyan said is indeed reasonable, Tongguan is easy to defend and difficult to attack, no matter how many soldiers and horses our army has, it will not be able to exert it, and it is not wise for me to fight under the city for a long time." ”

Liu Feng thought that Jia Xu was also in favor of withdrawing the troops, but when he was displeased, the septuagenarian strategist changed his words again: "However, it is imperative for the Duke of the Kingdom to destroy Liu Feng this time, and he can't give up halfway easily." According to Xu's foolish opinion, why not follow the example of Han Gaozu when he attacked and destroyed Qin. ”

Liu Bang destroyed Qin.

At the end of the Qin Dynasty, Liu Bang led the army to attack Guanzhong, and initially took Tongguan Avenue, but because of the danger of Guancheng, it was difficult to capture, and then he had to change his tactics, change to Wuguan, and enter Guanzhong from the southeast.

How could Liu Feng not know about this old matter, otherwise he would not have sent Wen Ping to lead his troops and horses to attack Wuguan.

Hearing his plan, Liu Feng was slightly disappointed, shook his head and said: "Wen He's plan is okay, but you ignore a fatal problem. ”

(To be continued)