"The enemy has attacked."

Seeing the sound of drums outside the gate, Li Shimin reacted instantly.

Unexpectedly, after this short period of time, the enemy army attacked again, which clearly showed Luo Cheng's attitude. Is it to take Tongguan in the shortest possible time, there is no room for anything.

When Pei Yuanqing led the army to charge, Du You was also paying attention. Because he was going to throw them out by igniting them, but the gunpowder was not meant to be thrown.

As early as when Li Yuan asked Gan Bei to create a thunder penalty, he had already asked this question. Although it is not impossible to throw, it may take some risks, including some accidents that may occur.

But Li Shimin can't take care of so much now, and only by taking this opportunity to inflict heavy losses on the invading enemy can he delay for a certain amount of time, otherwise the many efforts they have made before will be ineffective.

"Let's get started."

Li Shimin, who was also watching the enemy army, groaned and said.

Du You nodded, now that the enemy is coming, it is really time to make a move, otherwise when Pei Yuanqing rushes up again, it will inevitably be chaotic, and it is impossible to say what will happen at that time.

After all, there is no limit to the attack of lightning punishment, as long as it is detonated, whether it is the enemy or yourself, you may be harmed, some things are difficult to avoid, and you can only act carefully.

Then Doyo fetches a thunderbolt, which is a combination of multiple beings that can be ignited by a single fuse. This is the defect of the lightning penalty, and when the power is insufficient, it can only be compensated for by quantity.

Naturally, such a project is not just one person, but also the soldiers around him. As soon as Du You gave the order, he would ignite the thunder penalty in his hand and throw it out.

Only in this way can we inflict as little damage to the enemy as possible in a short period of time. Otherwise, no matter how much effort you try, it will only be useless work, and it will not help at all.

"Do it."

Seeing that the time was almost up, Du You no longer hesitated, and directly asked people to throw the thunder penalty out, that is, to the crowd, including the enemy soldiers who were climbing the ladder.

But a shocking scene appeared, in the face of the sudden appearance of thunder punishment, the enemy not only did not panic in the slightest, but took out the shield unusually calmly.

Yes, it's the shield.

Including the enemy troops who are attacking the storm at the moment, they are all carrying a shield behind them. At this moment, when he saw the thunder punishment coming, he calmly took it out, and then put it on top, as if he wanted to resist the lightning punishment.

But in fact, they didn't think so, and it was obviously unrealistic to want a shield to reach the power of thunder punishment. The purpose of this shield is only to keep the lightning penalty from falling on them.

Li Yuan's use of gunpowder is still relatively low-end, and there is a fixed time for the fuse to ignite. As long as the time is reached, the damage caused by the lightning penalty is almost negligible.

Pei Yuanqing and the others climbed on top of the ladder and directly blocked the thunder punishment. They are in a safe situation, after all, this ladder is also specially made, and it will not be damaged by lightning.

As for the soldiers who were still under the wall at the moment, they were also silent when they saw the thunder punishment smashed over. They took out their armor directly according to the plan, and then retreated indifferently to the periphery, everything seemed to be in order.

Such a scene made Du You and Li Shimin confused, this is a new weapon. What the hell is the enemy so calm, could it have been expected by the enemy army?

Many of the lightning penalties thrown before fell under the wall, and after the fuse was ignited, it finally exploded. When the astonishing sound came, Li Shimin was dumbfounded.

Because he did not see the enemy army damaged by this, he easily avoided it. The problem is that the explosion of this thunder penalty actually affected Tongguan, and Guanlou trembled.

This feeling made Li Shimin a little confused, why did he use it to kill the enemy, but his own feeling was the most obvious? Is there any conspiracy in this, Li Shimin is difficult to determine.

For Luo Cheng, he knows a little bit, and if there is no conspiracy in it, he doesn't believe it. But if he really fell into Luo Cheng's trap, what should he do?

In fact, those who also felt the tremor of the wall were Pei Yuanqing and others. They are leaning on the ladder to tackle key problems, and this feeling is naturally clearer than Li Shimin's, and it is also a little amazing.

Seeing this scene, Pei Yuanqing knew that his task had been completed.

Although he was still able to continue attacking the level, he did not have Luo Cheng's order, and now he is still focusing on retreating. Seeing that there was no danger around him, he led his troops and retreated.

Seeing Pei Yuanqing and the others retreating, Li Shimin looked very embarrassed, as if he still overestimated the role of thunder punishment, and used it in the defense of the city, it didn't have much effect at all.

As Gambe said, this thing is best used as an ambush.

Although he did not achieve results, what does it mean for Pei Yuanqing to lead his troops to retreat?

Could it be that the first is just a bluff, and the next is the real attack?

Sure enough, as Li Shimin expected, the next thing is the real attack, and the one in front is just pediatrics, which is nothing at all, and the real war begins.

Under Li Shimin's gaze, five catapults were pulled out of Yan Yun's camp.

This is not all the amount in Luo Cheng's hands, but it is enough to deal with the situation at this moment.

Luo Cheng led the generals and said coldly: "Whether it is success or failure, it depends on this move." ”

Although Tongguan can be captured by relying on a large army, there is no doubt that there will be some price to pay. Luo Cheng had previously ordered Yao Ping to prepare in advance, just to make it easier to win Tongguan at this moment.

The five catapults were ready, and although Luo Cheng wanted to use them to throw explosives packs, there was no problem at all in throwing stones, and the horsepower was extremely powerful.

Then, under Li Shimin's stunned gaze, the catapult started, and the heavy stones were thrown out, but instead of smashing them at the defenders on the Guan Tower, they went to the Guan Wall.

Just when Li Shimin was suspicious, Guan Lou suddenly trembled with this blow, and he seemed to understand something. Li Shimin looked at the place where he was standing with trepidation, could it be that Luo Cheng's strategy was here?

Li Shimin can be regarded as reacting, but unfortunately it is too late now. The catapults are one after another, and the reaction of Guan Lou is getting bigger and bigger, such an obvious feeling, Li Shimin has no doubt.

If they do not leave, they will all perish here.

Obviously, the back hand on the wall was done when Li Shimin led the troops to recapture Tongguan. Luo Cheng's strategy is so far-reaching, it is really unexpected and unbelievable.

Although he was very unwilling, Li Shimin still knew his current situation, and he didn't have the courage to shout "I will come back", so he could only mobilize his soldiers with shame on his face and prepare early.

As a result, this wall of Tongguan collapsed as expected.

The people were terrified, and the people were stunned.