Chapter 217

"boom!"

A loud noise shook the sky.

"Bang!"

Immediately afterwards, there was another heavy muffled sound.

"Bah bang bang!"

A series of rapid sounds came.

Suddenly, in the sky, countless crows seemed to have hit an invisible transparent wall.

There was obviously nothing in front of the Dark Crow, but it just couldn't fly forward any further.

The bodies of many of the crows rushing forward seemed to have been violently hit by a huge force, and they were turned into pulp.

Only the creepy sound of explosions could be heard crackling in the sky.

The black crows, like dark clouds, were blocked in the sky above the city. They tried to invade, but they were unable to take a step forward.

But as the crow stopped, things were far from over.

Countless missiles were like a downpour, flying towards the Crow Crows for free.

Lines of fire streaked across the sky, like bright meteors blooming in the sky with brilliant light, and then exploded.

The sound of booming explosions came one after another, and the strong fire produced by the shells tore open huge holes one after another in the dark clouds formed by the crows and alien beasts.

"Wow... wow..."

The mournful cries of the crows spread to every corner of the city, and the corpses of countless crows fell from the sky like rain.

"Boom boom boom."

"Bang bang bang!"

Missiles and various thermal weapons for aerial sniping were still being launched, and the entire sky was completely engulfed in flames.

Everyone who was still complaining was now so surprised that their mouths were wide open, staring blankly at this extremely shocking scene.

They are all people who have only awakened their talents this year. How have they ever seen such a thrilling scene?

The scene in front of them was really impactful to them!

After swallowing hard, one person spoke.

"Labour and management thought that they were dead, but they didn't expect that it was those crows who were dead!"

"It's really powerful. With such powerful firepower, no matter how many crows there are, they are all living targets!"

"This is the first time I have seen such a scene. The wild beasts and other animals are so weak. This is the real battlefield!"

Yang Xie was also deeply shocked by the scene in front of him.

This scene made him truly feel for the first time the huge role that thermal weapons played in the attack of large-scale alien beasts.

Efficient and surprisingly lethal!

This is the correct way to open a large thermal weapon.

However, Yang Xie also became curious. What is that transparent protective cover?

It is really extraordinary to be able to withstand the crazy attacks of so many crows.

It was also the first time for Yang Xie to see such a thing. When he saw Yang Tiejun's casual expression, he couldn't help but ask.

"Teacher Yang, is that hood-like thing some kind of high-tech defense equipment? It's so awesome!"

Hearing this, Yang Tiejun didn't speak yet and just continued to stare at the sky.

Formation teacher Yan Hua looked at everyone and smiled mysteriously.

"Students, it is common for strange beasts to attack. This kind of crow happens every few months. You don't have to worry."

"Our city located outside the territory is called Xuanwu City. It is famous for its defensive capabilities. Its high security is not unfounded. Are you curious about this transparent protective shield?"

Yang Xie's eyes flashed with thought.

Teacher Yan Hua suddenly stood up. Could it be that the formation failed?

"Teacher Yan, is it possible that that is a defensive formation?" Yang Xie asked loudly.

Everyone understood instantly and turned their attention to Teacher Yan Hua, eager for a definite answer.

Yan Hua glanced at Yang Xie and said, "Yes and no."

"It is indeed a formation, but it is not simply a formation, but a combination of technology and formation."

As soon as this statement came out, everyone became even more puzzled.

"Teacher Yan, can you explain it more clearly? I'm even more confused now. What is a combination of technology and formation?"

"Hahaha, don't worry, of course I have to explain it clearly to you. The main body of this protective shield is indeed a seventh-level city defense formation. However, there is also a layer of technological defense on the edge of the city defense formation that can be defended, which is plasma. protective cover.”

"The seventh-level city defense formation and the plasma shield together form this indestructible shield. While the defense power is greatly increased, the positioning function of the plasma shield can also be used to launch thermal weapon attacks in a timely manner. It can be said to kill two birds with one stone."

"Generally low-level flying alien beasts cannot break through this protective shield at all, and will only be completely wiped out by thermal weapons."

Teacher Yan Hua explained patiently, and everyone suddenly understood.

Many people said with excitement flashing in their eyes when they saw that the formation was so powerful.

"Teacher Yan Hua, is it too late for me to transfer to your major class?"

"Hahahaha, you guys want to come, I'll give you a warm welcome."

Yan Hua wanted this effect and was immediately overjoyed.

Yang Xie's eyes also lit up.

You must know that the area of ​​​​Xuanwu City is not small. Although it is not as good as Qingshan City, there is absolutely no problem in accommodating tens of thousands of people.

The seventh-level formation actually enveloped the entire city, and it was also combined with a plasma shield.

It’s really powerful, and the formation is constantly adapting to the development of the times!

Originally, because Teacher Long Ying was an alchemist, Yang Xie was still hesitating whether to choose formation as a minor profession after Mowu.

Now Yang Xie has changed his mind.

With the shadow soldiers here, isn't it easy to study two professions?

Just as Yang Xie's thoughts kept flowing.

He suddenly found that Yang Tiejun's expression had changed a little, and he was no longer so relaxed when looking at the sky.

Seeing this, Yang Xie raised his head and looked at the sky again.

He found that except for the Yin Crow still attacking recklessly and the sound of artillery fire in the air, there seemed to be no other changes.

"Teacher Yang, is there anything wrong with this Yin Crow?"

Yang Tiejun did not answer immediately, but stared at the sky for a few minutes before saying with a serious face.

"The alien beasts are not fools. Generally, after encountering several rounds of hot weapons, they will choose to leave. Do you think these flying alien beasts are normal now?"

Yang Xie was also stunned.

Yes, this group of Yin Crows attacked wave after wave, even though many Yin Crows had died in front of hot weapons.

But there was no intention to give up, as if they were not afraid of death at all.

Could it be that there was a high-level alien beast controlling it?

Yang Xie immediately thought of a possibility, and only this could explain it.

Only under the suppression and command of high-level beasts would low-level beasts attack fearlessly.

"Teachers, please send all the students to the dormitory, I'll go check the situation."

"Okay, Tiejun, you go, we are here."

Yang Tiejun saw that the Yin Crows still hadn't withdrawn, so he told several teachers and then hurried in the direction they came from before.

Yang Xie looked up at the sky again with a flickering look in his eyes.

Could it be that the shadow soldiers can kill to their heart's content today?

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