I only knew that Li Su was from the same hometown as Lü Bu, but I didn't expect that the two were actually cousins.

No wonder Dong Zhuo sent Li Su to secretly visit Lü Bu, and Lü Bu did not refuse and even treated him warmly.

After some persuasion from Li Su, he even brought out the Red Hare horse.

That very night, Lü Bu beheaded Ding Yuan, saying, "A true man born between heaven and earth, how could he be your son!"

He then turned to Dong Zhuo and became his godfather.

However, at this moment, Li Su was still fishing by the sea of ​​Daihai Lake and had not yet joined Dong Zhuo's army as a Tiger General.

Therefore, Lü Bu might have been in Jiuyuan, or he might have moved to Bingzhou and joined Ding Yuan's army.

Liu Wei had absolutely no intention of recruiting Lü Bu!

The halberd, specifically used to stab my adoptive father!

The fickle nature of Lü Bu was probably ingrained in his very being.

This is not something that just anyone can handle.

Even if Lu Bu intercepted Ding Yuan before Ding Yuan, it doesn't mean he would have any ulterior motives later.

Besides, Diao Chan is now by Liu Wei's side.

If Lü Bu were to fall for Diao Chan, the consequences would be unimaginable!

Liu Wei didn't want a restless guy lurking around him.

Li Su was different!

With his mother's approval and a wife and children, he is now loyal to Liu Wei and will naturally be devoted to him.

"Uh-huh!"

Liu Wei was shocked and didn't ask any more questions about Lü Bu!

At this moment, Li Su's wife brought over tea and took out a salt shaker, adding some salt to the tea.

The way tea was consumed in the Han Dynasty was different from modern tea. Adding salt to tea was a courtesy to distinguished guests.

Liu Wei inadvertently noticed that the outside of the black salt container appeared extremely damp, with a layer of dense water droplets seeping out.

He looked up at the sky, squinted slightly, and a knowing smile appeared on his lips.

Then he chatted with Li Su's mother for a while.

This made Xue Rengui and Liu Du extremely anxious.

Now that you've taken in your followers, it's time to get down to business!

They're still chatting, wondering whether or not to flood Shanwu.

Xue Rengui quickly gave Liu Wei a meaningful look.

Liu Wei saw this and chuckled: "Vice Commandant Li, since your mother has entrusted you to me, I will assign you a task!"

"Please give your orders, Your Excellency!"

Liu Wei's expression turned serious: "Everyone, please follow me!"

The group, looking puzzled, followed Liu Wei to the hundred-foot-deep pool behind the mountain.

"Commander Xue, how many days can you hold off the Xiongnu attack from within the city?"

Liu Wei stopped and turned to Xue Rengui, asking, "What I want is for you to keep the Xiongnu army firmly pinned down, making them unable to give up, and making them seem like they're about to capture the city, but just a little short!"

Xue Rengui looked solemn, frowned and thought for a moment, then said with certainty, "My lord, five days!"

"Within these five days, I can still kill another ten thousand of his soldiers!"

Liu Wei knew that Xue Rengui could definitely do what he said he would do!

After all, Xue Rengui now has three thousand more elite cavalrymen!

Moreover, they killed 10,000 Xiongnu people within five days.

Not only will it not reach the critical point of their collapse and retreat, but it will also arouse the wildness of the Xiongnu, making them even more determined to capture Shanwu and destroy Liu Wei!

In this way, Qiangqu will mobilize all the troops from Shanwu's north and south directions to besiege the city!

That meant concentrating all of the Xiongnu's forces under the walls of Shanwu City.

"Five days is enough!"

Liu Wei smiled slightly, "Vice Commander Li, I want you to lower the edge of this pool within five days, the lower and thinner the better!"

"Five days from now, we will excavate the last layer of this pool and let the water rush into the Qingshui River!"

As soon as Liu Wei finished speaking, Xue Rengui, Liu Du, and Li Su shouted in unison:

"My lord, how could such a small amount of water in this pool cause a raging flood!"

"Even if it could, after flowing for six or seven miles, it would have no power left by the time it reached Shanwu City. How could it possibly overwhelm the Xiongnu outside the city?"

I knew they'd be surprised!

That's exactly the effect I want; otherwise, how can I demonstrate my brilliance and prowess?

Liu Wei smiled and said, "This pool is separated from Daihai by a large mountain."

"But the fact that there is such a large pool of water now must mean that it is closely connected to an underground river in Daihai Lake."

"As long as the water in the pool is drained, the water from Daihai Lake will naturally rush in!"

"Moreover, it will create a siphon effect, at which time the water in Daihai Lake will surge like a tide, with tremendous power."

"Rushing down from these high mountains, it was like a thousand horses galloping, utterly destroying everything in its path. The Xiongnu people could only weep before this flood!"

"When we get there, we'll have to make sure we block all four gates properly in Shanwu City!"

Liu Wei suddenly uttered another modern term.

It's roughly the flushing principle of a toilet.

The three were clearly amazed by Liu Wei's knowledge.

Is this still the same prince who once indulged in debauchery and extravagance in Luoyang?

Liu Wei actually knew about the underground river between this pool and Daihai Lake!

Moreover, I've never heard of the term "siphon" before!

"My lord... what is a siphon?"

Li Su asked with an inquisitive look.

Liu Wei didn't know how to explain it either, since there were no curved pipes around!

I'll tell you when I have the chance!

Xue Rengui stared blankly at the pool of water before him:

"My lord... this... this can really draw water from Daihai Lake into the Qingshui River?"

You must believe in science!

Liu Wei chuckled, "And I'm telling you with absolute certainty, there will be torrential rain in the coming days!"

"That should provide enough water!"

Li Su exclaimed in surprise, "I never imagined that Your Excellency was so knowledgeable in astronomy and geography!"

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