Cao Cao finally agreed to Cao Shuo's suggestion.

Returning to the outside of the city, Cao Shuo ordered to march to Tongguan immediately.

Following behind Cao Shuo, Ma Teng glanced back at Chang'an City from time to time.

At the head of Chang'an City, the battle flag of the Cao army fluttered.

Although the battle flags under Cao Cao's command are somewhat similar to Cao Shuo, they are not the same.

Looking at the battle flags fluttering at the head of the city, Ma Teng felt a little uneasy in his heart.

"How is General Ma going to persuade Meng Qi?" Cao Shuo asked Ma Teng.

"If Meng Qi dares to go into battle, I will go to meet him in person." Ma Teng said: "I don't believe that he even dares to kill me." ”

"Meng Qi is filial, of course he doesn't dare to kill General Ma." Cao Shuo said: "But it's not appropriate for you to go out in person, in case Meng Qi robs you, my father probably won't let go of the other two little generals." ”

Ma Teng's face became a little ugly.

He asked Cao Shuo: "Gongzi went to see Cao Gong, did Cao Gong say something again?" ”

"It's true." Cao Shuo didn't hide it: "Just now my father sent someone to capture General Ma, but I tried my best to stop him, so I persuaded him." ”

"Cao Gong still wants to kill me?" Ma Teng's face became even more gray.

"General Ma shouldn't take it to heart, after all, what Meng Qi did in this matter is really inappropriate." Cao Shuo said: "If you change to General Ma, you should be like your father." ”

Ma Teng nodded and let out a long sigh.

Leaving Chang'an, the army walked for two or three days before reaching Tongguan.

Ma Chao and Han Sui have already led the Xiliang army through the pass, and it is Ma Wan, a general under Han Sui, who guards Tongguan.

Ma Play is not related to the Ma Teng family.

He was just a subordinate general under Han Sui.

Cao Shuo came to Tongguan, the pass was closed, and Ma Wan stood at the pass and looked at the approaching Cao army.

Cao Jun had a lot of baggage, and when he arrived at the pass, the soldiers unloaded the baggage.

Looking at Cao Jun, who was unloading his baggage, Ma Yu had doubts in his heart.

The baggage unloaded by the soldiers of Cao Jun from the carriage had a lot of wood of different shapes.

After unloading the timber, Cao Jun was gesturing with the city wall from a distance.

Ma Yu was confused, and he didn't understand what Cao Jun was doing at all.

I saw Cao Jun unloading the timber into the wagon, and some of them were assembled on the spot.

It wasn't until halfway through the timber assembly that the horse toys realized that they were actually assembling a catapult.

"The Cao army is about to attack the pass, and the whole army is on alert!" The horse played and shouted loudly.

The Xiliang troops at the pass all looked nervous.

From the style of the battle flag, they could recognize that it was Cao Shuo.

Some of the Western Liang army had fought against the Xiongnu with Cao Shuo, and they knew Cao Shuo well that this time they were a tricky enemy.

What was once an ally is now hostile, and the impermanence of the world is really elusive.

Cao Jun unloaded a cart of staff and assembled them into catapults.

The size of these catapults was much smaller than the stationary siege equipment that had been improvised outside the city.

They are located in a farther direction than the tall catapults.

Looking at the catapult assembled by Cao Jun, Ma Yu was very puzzled.

With such a small catapult, can you throw stones at the pass?

He had some doubts in his heart, but Cao Jun didn't seem to notice that the catapults were too far away from the pass, and they were still being assembled one by one.

For a whole day, Cao Jun was assembling catapults.

Although the horse play at the pass was worried that the catapult would cause great damage to the city wall, he did not have many soldiers and horses under his command, and he knew that Cao Shuo's soldiers were all fierce warriors in a hundred battles, so he did not dare to leave the pass easily to fight, so he could only watch Cao Jun prepare in front of the station.

The Cao Army Barracks in the Guannai.

Cao Shuo stood outside the tent and looked at the battle flag of the Xiliang Army fluttering at the pass.

Behind him stood the staff and generals.

Ma Teng and his son also accompanied him.

"General Ma, are the defenders at the pass from your Ma family?" Cao Shuo asked.

"It's not." Ma Teng said: "Judging from the battle flag, it should be Han Sui's generals. ”

"How are horses playing?" Cao Shuo asked.

"It's just ordinary." Ma Teng said: "He's just following Han Sui for a longer time. ”

"Han Sui is going to lose an old ministry this time." Cao Shuo smiled slightly.

He smiled confidently and calmly.

Ma Teng did not have the slightest sense of his arrogance.

The longer he came into contact with Cao Shuo, the more he felt that the self-confidence of this son of the Cao family was not unfounded.

Cao Shuo has always been invincible when he goes out, and anyone who is his enemy has not been able to end well in the end.

If the horse guarding Tongguan refuses to surrender, all that awaits him is the destruction of people.

Cao Jun's preparations in front of the station were carried out for two whole days.

Dozens of catapults were set up outside the gate, but Cao Jun did not find stones from nearby, but placed two wooden boxes next to each catapult.

Looking at Cao Jun from afar, Ma Yu was even more puzzled.

What do they want to do when they set up a catapult and don't carry the stones?

When the last catapult was erected, Cao Shuo came to the front with a few generals.

He asked the officer in charge of commanding the catapult: "How are you prepared?" ”

"Returning to Gongzi, it's ready." The officer replied: "You can attack at any time." ”

"Then let the horses play with our bombs." Cao Shuo smiled slightly and gave an order to the officer.

The officer answered and shouted loudly: "Childe has an order, launch an attack!" ”

All catapults were aimed at the pass.

Cao Jun pried open the wooden box and took out round black balls from it.

The size of the black ball is much smaller than the boulders used by catapults.

Looking at Cao Jun, who was about to project, Ma Yu was even more puzzled in his heart.

What can a small black ball do to the city wall without using a boulder?

Cao Zirong was invincible, could it be that he has been carried away by too many victories recently, and he has forgotten how to use the catapult?

was muttering in his heart whether Cao Shuo was stupid, and there were bursts of horns from Cao Jun's camp.

As the horn sounded, the catapult made a catapult sound, and the black ball flew into the air and smashed into the city wall.

The ball was not big, and when it flew in the air, the horse could even see that each ball seemed to be flickering with fire.

A ball lands at the juncture.

Smashed on the wall, it bounced to the feet of several Xiliang soldiers.

I had never seen such a strange thing, and a few Xiliang soldiers came up curiously.

The ball was small, no bigger than a human head, and a spark flickered above it.

Seeing this round ball, Xiliang Jun was puzzled.

Such a small thing, smashed into the city wall, is just a white mark, how can it control the pass?

Just wondering what Cao Jun wanted to do, the sparks on the ball had burned to the roots.

As the sparks disappeared from the surface of the sphere, a loud bang suddenly rang out at the juncture.

Several Xiliang troops who were looking at the ball were pushed out of the city with a loud noise.

They didn't even have time to let out a wail before they were blown up into a mass of minced flesh by the bomb.