A farce on the city walls, which has no effect on the overall situation. On the positions outside the city, a large number of city guards were still busy with the fortifications.

The number of three-eyed rats was not large, and with the cooperation of many city guards, it took half an hour to clean it up.

At this moment, the sun is gradually rising, and a huge number of city guards are eating in batches and quickly, according to past experience, the first batch of demon beasts is coming.

In the silent position, a tense atmosphere could not help but permeate the air.

Xu was infected by this tense atmosphere, Xu Chen stopped thinking and turned his attention to the position outside the city.

After a busy day yesterday evening and this morning, there were many strangely shaped buildings on the originally empty position.

In front of the position are arc-shaped high walls, the walls are very thick, enough to be a few feet thick, about a hundred zhang long. Left and right are connected, endlessly. Behind the high walls are deep trenches, which are densely packed with barbs made of metal.

In front of the position, there are as many as three such arc-shaped walls, and the latter wall is always much higher than the previous one, not because of the height of the wall itself, but because the terrain is gradually increasing.

Behind the three high walls, there is a relatively open area, and behind the open area, there are buildings with circular domes.

At this moment, the fortifications on the position have been built, but there are still many people busy with the fortifications that have been built.

Xu Chen found that these people were holding a carving knife in their hands, and they were carving something on the fortifications.

"Yun Ye, what are they doing?" Xu Chen turned his head and asked Yun Ye beside him.

"Characterize the talisman array!" Yun Ye replied.

"Fu Array?" Xu Chen's face was puzzled.

Yun Ye nodded and said, "Yes, although most of the people in Biancheng are ordinary people, after so many years, there will always be many people with spiritual roots, after all, the appearance of spiritual roots is irregular. Of course, these people with spiritual roots can't be wasted, in addition to teaching the cultivation of the ability in the martial arts hall of the City Lord's Mansion, of course, there are also people who teach the cultivation of the cultivators, after all, the city lord himself is a great cultivator. ”

"Although there are most capable people in the city guards, there are also a lot of cultivators, and most of them are advanced in cultivation. The number of cultivators in the Jindan stage and those with high-level abilities comparable to the Jindan stage is comparable, but in addition to the city lord and deputy city lord in the Yuan Infant stage, only the Lord Commander has the cultivation of the early Yuan Infant stage in the city guard. ”

"Oh oh!" Xu Chen nodded, but thought in his heart: "With such a complex composition, I'm afraid that there are a lot of contradictions in ordinary times, no wonder there was a sharp edge all the way on the way to come just now." ”

"In addition to the local cultivators in Biancheng, there are also a lot of loose cultivators from outside, so it is normal for the city guards to use some cultivators' formations. Now, these people are carving talismans for the fortifications, and after carving, the fortifications' defensive capabilities will be greatly increased, and they will have some special abilities. Yun Ye still explained to Xu Chen in detail.

"Special ability, what special ability?" Xu Chen asked again.

Yun Ye smiled and said, "You'll know in a while!"

After speaking, his face changed slightly, and then he smiled: "It seems that you don't have to wait, it's already here!"

Just as Yun Ye finished speaking, the wind in the air suddenly became fierce.

The melodious and rapid sound of the horn of "......" resounded over the position.

With this horn, the entire defensive position became noisy, and the soldiers of the city guard put down their work one after another and rushed into the nearby circular building.

"How can it be so fast this year?"

Yun Ye looked out of the city worriedly, and the soldiers who were lying on the fortifications and carving talisman formations were still busy.

"Why haven't they stepped down yet?" asked Xu Chen.

"The rune array is still half a small part away, if it can't be fully depicted, the power of the formation will be reduced by half!" Yun Ye was worried, and said angrily: "What the hell is going on? What are the sentries in front doing? How did these flat-haired animals come so quickly this year?"

"Flat-haired livestock?" Xu Chen wanted to ask again, but at this moment, there were bursts of sharp chirps in the sky.

"Quack ......"

"Crow?" Xu Chen looked up in astonishment, and looked at the place where the voice came from, only to see a red cloud that filled the entire sky rapidly surging from the western sky.

"This is ......" Xu Chen was stunned inexplicably.

"Flame Crow!" Yun Ye frowned deeply: "These flat-haired beasts love fire, and when they attack, they will spew out fireballs from their mouths, and the fireballs are very hot, and it is not a problem to melt gold and turn jade!"

"Damn! The big battle has not been completed, and this time the casualties are only afraid that they will get bigger!"

The law of Biancheng is strict, and this is especially true in the city guards, Yun Ye was originally one of the three commanders under the commander of the city guards, and he commanded five departments with a total of 50,000 horses. It's just that now that it has retreated, even the old department of the city guard army can't command it.

Now under the crisis, I can only stand on the city wall and wait for the decision of the high-level of the city guard.

The higher-ups of the city guard quickly had an idea, and the order was transmitted by the cultivators using their divine sense almost instantly, and it was quickly transmitted to all departments.

I saw that in the round building, several city guard soldiers came out in twos and threes. As soon as the soldiers left the fortifications, they leaped to the top of the rotunda and stood beside the man who carved the talisman, staring solemnly at the sky in the distance.

"What are they going to do?" Xu Chen said confusedly.

Yun Ye only looked at the markings on those soldiers and already knew in his heart: "I see, I can only buy more time!"

As soon as Yun Ye's words fell, the red clouds in the sky had already flown over the position.

The sound of "quack" is endless, and the sharp sound penetrates into people's ears, stirring people's hearts upset.

With the annoying screams, the sound of "bang" and "bang" continued to sound, and huge fireballs were generated out of thin air, roaring towards the position below.

"They...... Why don't they fly forward a little?" Yang Ziyun on the side was also stunned by this never-before-seen scene, but it was not an ordinary person, and he quickly came back to his senses, and at the same time discovered a strange phenomenon.

These crows did not fly to the actual position of the city guards, but were entrenched in the sky above the three curved walls in front of the position, and the fireballs were also heading straight for the curved walls below.

"Could it be ......" Xu Chen was also confused, but after a while, he thought of a possibility.

"That's good!" Yun Ye nodded at Xu Chen's gaze and said, "One of these flat-haired animals is probably equivalent to the Jindan period! This was analyzed a long time ago, but in recent years, this beast has never appeared. ”

"No wonder these beasts came so quickly this year!"

Yun Ye's explanation, but Yang Ziyun was still confused, and also looked at it.

Yun Ye had no choice but to continue: "It is with the command of this leader that this group of flat-haired animals will become smarter. The reason why they didn't attack the position in front of them was to reduce the damage, and they came to destroy the three arc walls!"

"What's the use of the curved wall?" Yang Ziyun asked again.

"I think, it should be to resist the ground forces of the demon beasts!" Before Yun Ye could answer, Xu Chen said: "The arc can resist stronger impact when facing the impact, coupled with the deep ditch behind the wall, it should be to consume the number of the ground forces of the demon beasts!"

Yang Ziyun is also the main general of the first army, but in the siege warfare of the outside world in this era, there is almost no impact force from the ground, whether it is horses or cattle, they are very scarce animal resources, even the richest grassland people can not drive cattle and horses to hit the solid city wall in the siege war, and the impact force of cattle and horses is not much compared to the tall city wall.

And Xu Chen is different, he has more than a thousand years of experience, his thinking is relatively open, and there are many kinds of demon beasts, so it is difficult to guarantee that there will not be a guy with rough skin and thick flesh and infinite strength to act as such an impact force.

After listening to Xu Chen's explanation, Yun Ye glanced at Xu Chen in slight surprise, the first time he saw these fortifications, there were not many people who could guess the correct effect!

"Yes, it was indeed built to consume the number of demon beasts on the ground. Yun Ye affirmed Xu Chen's guess, and then looked at the flock of flame crows outside the city, and said with a solemn expression: "The leaders of this group of flat-haired beasts, I am afraid that they have discussed with the leaders of the rest of the demon beasts, this is a purposeful attack!"

The Flame Raven's movements also caught the City Guard a little off guard, and the soldiers standing on the top of the rotunda looked at the flock of Flame Raven entrenched in the sky in front of them with a little blankness.

The vast majority of the current city guards are young people, but the leader of the Flame Raven has not appeared for hundreds of years, and over the years, the Flame Raven's attack steps have almost formed a kind of inertia among the City Guards.

If you break it rashly, you will inevitably be at a loss.

Fortunately, the top of the city guard were all experienced people, and a new order was issued in a moment.

I saw the soldiers standing on the top of the circular fortifications jumping up one after another.

Some of the soldiers with the storm whirlpool engraved on their chests moved, or pinched or waved their hands, and a faint whirlwind appeared out of thin air, instantly wrapping around their comrades.

With this whirlwind, the speed of all the soldiers became faster in an instant!

With the help of three or two strokes, these soldiers who were originally in the initial and rear positions quickly rushed to the curved high wall.

It was estimated that there was another powerful divine sense transmission, and all the soldiers who rushed forward stopped one after another.

At this moment, Xu Chen looked around, as if he was looking for something.

Yun Ye understood and pointed to a place in the south outside the city.

Xu Chen looked over and saw an unusually tall and wide platform, and a big red flag was standing at this moment, and a two-winged black tiger roared fiercely on the banner.

Under the banner, a sturdy man stood against the railing, looking at the battlefield outside the city with a calm expression.

Behind the man, there was a huge case, and on the side of the case, dozens of people were busy.

In the center of the platform stands a metal pole more than ten feet high, and at the top of the metal pole, a metal pole that is slightly smaller one size diverges out in a circle.

"Signal tower?" R1058