Zhenbei City is already very familiar with how to enslave kobolds and goblins, and selects some kobold overseers and goblin overseers from these slaves, and gives them slightly better treatment, and these vested interests will help Zhenbei City to squeeze other slaves.

Tens of thousands of people work together on the construction site, the progress of the project is still good, the city wall of Jinghu City is built with rammed earth, the height is only six meters, the higher the rammed earth city wall is built, the larger the soil layer below, and the height of ten meters is more than double that of the six-meter-high city wall.

The six-meter-high city wall can already block most of the wasteland monsters, and the remaining six-meter walls can't stop it, even if you build it to ten meters, you can't stop it. Therefore, it is not easy to build a six-meter-high city wall, and it is not easy to build a rammed earth wall.

The base of the city wall is made of rock, and Su Lun directly used the spell of turning mud into stone to convert the rammed earth base into rock, and the foundation stone of the city wall with a circumference of four kilometers is not a small amount of work, but fortunately it was not built all at once.

The rammed earth used in the city wall is not just dug up, and the excavated soil needs to be sifted first, and the stones and other debris inside are picked out, and then the soil is steamed. This is done to kill the grass seeds, insect eggs, etc. inside.

Then the steamed cooked soil is tamped layer by layer, and the resulting wall is not as hard as a rock, but it is also very hard.

In his previous life, Su Lun was looking at a historical record of ancient city building, among which there was a city called Tongwancheng, in order to build the city, glutinous rice juice, white silt, sand and slaked lime were used to mix cooked soil in a certain proportion and then rammed together.

And what makes people's scalps even more numb is the strictness of the overseers who built the city, during the acceptance, let the soldiers take an iron cone and pierce the wall, if they can pierce the wall by an inch, then kill the workers who built this section of the wall, and fill the corpse close to the city wall, if they can't pierce it, then kill the soldier. So much so that the city became a famous fortified city at that time, so that in the previous life a thousand years later, most of the ruins of this Tongwan city were still preserved.

Of course, this fortified city did not preserve this dynasty, and was captured by other countries nine years after the construction of Tongwan City was completed.

The rammed earth walls of Jinghu City are naturally not so extravagant, and Su Lun does not have a large amount of glutinous rice to build the city, but a batch of lime is still transported from Zhenbei City, and then the lime and steamed earth are mixed according to a certain proportion to build the city.

While building the city in Jinghu City, those soldiers were also not idle, and although a place like Jinghu was cleaned, there were still surrounding tribes migrating here. In this way, these soldiers can not only go to training, but also continue to provide slaves for Mirror Lake City.

Su Lun didn't go again except for taking these soldiers to sweep a few tribes a few days ago, this level of combat was too simple, there was no challenge at all, Su Lun directly left it to those soldiers to deal with it himself, and then he asked the craftsmen to build him a small boat and go fishing on the mirror lake.

But his laid-back life was soon shattered.

"You said there were wolves attacking slaves in Mirror Lake City?" said Suren handed the two fish to the guards beside him.

"Yes, my lord, and more than once. The drow elf nodded and continued, "At first, we thought that a few wild wolves or other beasts took advantage of the slaves to be left alone and then attacked them, but in the past few days, there have been a series of sneak attacks. ”

"Did you find the attacking wolf or beast?" asked Suren with a frown.

"My lord, we've mobilized all the scouts to find it, but there's no news yet. ”

"Bring in some of the scouts from Zhenbei City and expand the search area, I don't believe those beasts will suddenly appear and disappear. Su Lun said with a cold look in his eyes.

"Yes!"

At the same time, send some more soldiers to the construction site of Mirror Lake City, tell the workers and slaves not to act alone, and report any abnormalities immediately. ”

Under Su Lun's order, Zhenbei City quickly dispatched a group of scouts, led by Ayton, increased the scouts, and the scope of investigation expanded again.

However, just after the order was given, Mirror Lake City was attacked again!

And this attack was more eye-catching than any previous one, because this time it was not only some slaves and workers who lost their lives, but even the soldiers of Zhenbei City sent by Su Lun to guard Jinghu City also suffered casualties.

Four of the North's pikemen warriors were killed by the beasts. And because of the continuous deaths, the construction progress of Mirror Lake City has been seriously affected.

The matter is already very serious, here in Mirror Lake City, the soldiers in Zhenbei City have cleaned up so many tribes without any soldier deaths, but they were killed by some wild beasts.

Su Lun's face was already as cold as ice.

Originally, Su Lun just thought that this was just some ordinary beast attack, but now even the soldiers of Zhenbei City have died four, since Zhenbei City defeated the orcs, in this wasteland, there are still people or other species who dare to attack Zhenbei City, this is to challenge the bottom line of Zhenbei City.

Suren is ready to deal the hardest blow to these guys.

The construction of Mirror Lake City could not be stopped, so Su Lun sent some barbarian warriors and heavily armored pikemen to guard, these barbarian warriors and heavy armored pikemen were far stronger than ordinary soldiers, and with these soldiers to guard, the attack was finally stopped.

Those attacking beasts should have sensed the strength of these barbarian warriors, so they did not continue to sneak attack, the barbarian giant axe berserkers who had reached the third order of professionals were powerful, and these barbarian warriors who had grown up in brutal and bloody battles were each the elite of the elite.

Although they like to go berserk and don't listen to orders in battle, they still have a strong sense of danger, and they have the talent of [Intuitive Dodge], although every time the barbarians will go berserk and charge, there are not many that can actually cause them damage.

On the one hand, barbarian samurai were sent to guard it, and on the other hand, scouts were sent to scout the surrounding area.

The construction site of Jinghu City.

The workers began to get busy again, and the fastest section of the wall had been built to a height of three meters, and a large number of slaves said that the prepared steamed clay was transported and then tamped little by little.

A petty official in charge of building this section of the wall hurried over.

"Your Lord!" said the person in charge of the construction of the city wall, who was about thirty years old, came to him and bowed.

Su Lun didn't stop, and waved them to get up, "Where is the location of the attack?"

"Please come with me. The official said respectfully.

Near the site where the walls were built, there was a house made of wood, and the group quickly walked over. This was supposed to be the resting place for the stewards and soldiers.

Soon the group came to the house, where the bodies of four pikemen lay aside in a small room.

Su Lun's face was grim, and he stepped forward to lift the white cloth on the corpse, revealing the somewhat hideous corpse below. The corpse was generally intact, with hideous wounds, a large hole in the iron-clad armor on the body, and a blur of flesh and blood on the neck.

"Sharp minions and love to sneak attack. After looking at the corpse for a while, Su Lun said in a deep voice: "Although the defensive power of the iron-inlaid armor is not as good as the iron armor, but it can destroy the iron-inlaid armor to this extent, and the strength of this beast should be very great. ”

"Ordinary beasts don't have that kind of power, and these soldiers don't even fight back, obviously they are very good at camouflage and sneak attacks, and they are very fast. Four soldiers died suddenly in a short time, and the attacker was most likely not one. ”

"Looks like we've got some monsters here. ”

Su Lun is not too worried about Warcraft, although Warcraft has strong strength, and has magic, it is very dangerous, but as long as it can kill Warcraft, the benefits obtained are also very high, the flesh of Warcraft has some magical effects, Warcraft's fur is worth a lot of money, and there are some other things, in short, Warcraft can be called full of treasures.

So many times humans will organize people to hunt Warcraft, and this industry is much more dangerous than mercenaries.

There are a lot of Warcraft in this world, some Warcraft are bred from generation to generation, and some Warcraft are the result of mutation of ordinary beasts. The mutated beast may become larger, or have some ability to manipulate the elements, or both. He was not worried about the demonic beasts Su Lun, only those demonic beasts dared to appear in front of him, and he had the confidence to kill these demonic beasts.

As a legendary powerhouse, he has this confidence.

After simply eating something, Suren sent out more scouts for reconnaissance, while he himself stayed on the construction site and waited.

Soon there was some new news from the scouts.

Some wolves were found in the forest northeast of Mirror Lake, but these wolves were ordinary beasts, and soon night fell, all the workers and slaves began to return to the camp, and some slaves could only live behind the walls of Mirror Lake City because the camp could not live.

There used to be overnight shifts, but since the attack, the night has been cancelled.

With the presence of barbarian warriors, those attackers will no longer appear, obviously they have a high command, it is not easy to catch it, if the barbarian warriors have been guarding here, it is likely that it will not appear, Suren does not want to let the barbarian warriors spend here all the time.

So he was going to let the barbarian warriors go back, and he himself stayed here and waited for those attackers to appear.

Letting the barbarian warriors evacuate, Suren hid in a leeward place behind the city walls and closed his eyes and pretended to sleep, and the time passed minute by minute, and the attacker did not appear. Su Lun didn't rest, and his current physical fitness, even if he didn't sleep for a few days in a row, there would be no problem.

The night was getting deeper and deeper, and the night wind was blowing, bringing a whining sound, and some of the campfires in the camp had gradually been extinguished, and the time was close to two o'clock in the morning, which was the most sleepy time for people, and also the time when the defense was the most lax.

At this moment, Su Lun, who had originally closed his eyes, suddenly opened his eyes, and a flash of thunder light flashed from his eyes.