This strange sound is actually the ultrasonic attack of the bloodthirsty King bat, which can make the creatures within a certain range lose their attack power or die over hundreds of meters.

Some people may ask why the bloodthirsty King bat didn't use this move at the beginning against the garrison on the wall of Fu city? Do you have to wait until now?

That's because this kind of ultrasonic attack does not distinguish between the enemy and the enemy, and it will also damage its mutant blood bat. The bloodthirsty King bat didn't want to use this ability, but it didn't expect that all his men were killed, so it was forced to attack the city wall in person

The elite blood bats around the bloodthirsty King bat saw that the ultrasonic attack effect was remarkable, and they scattered around the bloodthirsty King bat. Then they opened their mouths and launched acoustic attacks towards the city wall together to assist the bloodthirsty King bat.

With the help of elite blood bats, the attack of bloodthirsty King bats is even more terrifying. The garrison troops on the city wall are tortured to death by this sound wave, and they have no resistance at all. The soldiers collapse to the ground with their ears tightly covered, and people are constantly killed by ultrasound

Lu Jun also heard this strange sound. He knew that this was the ability of the bloodthirsty King bat himself. However, he, Ruan Bing and Xiao Wan were all powers. They had a certain resistance to this sound. They would not be shocked to death, but would be very uncomfortable.

But Ruan Xue and the guards of the Blackstone consortium were not so good. They were ordinary people with no special ability. They could only bite their teeth and bear the torture of this sound.

Fortunately, the B1 section of the city wall where they are located is located at the edge, and the sound wave attack is not as serious as that in the middle of the wall, so they can hold on for a while.

However, it is not a way to go on like this. If the bloodthirsty King bat is allowed to attack, they will die sooner or later

"Come on! Try to beat it down! " Seeing that most of the people on the wall were in trouble, the road army picked up a rifle on the ground and ran BingDao on the other side.

Ruan Bing nodded, holding the lamp of soul in his left hand and a fire of soul in his right hand, he threw it directly to the position of the bloodthirsty King bat.

But the bloodthirsty King bat was too far away from the city wall. Before Ruan Bing's soul fire hit the bloodthirsty King bat, it lost its power and fell down.

Seeing that Ruan Bing couldn't hit the bloodthirsty King bat, the road army immediately filled the rifle in his hand with ammunition, and then aimed at the bloodthirsty Wang bat in the air, pulled the trigger tightly and ejected a series of bullets. In principle, the attack distance of the rifle was enough to hit the bloodthirsty King bat.

However, the elite King bats around the bloodthirsty King bat also responded very quickly. When they saw that someone was going to attack their eldest brother, they immediately stood in front of the bloodthirsty King bat and used their bodies to block bullets for the bloodthirsty King bat.

Because they are b-order creatures and have the ability to make sound waves, the ultrasonic attack of bloodthirsty King bats won't have much impact on them, so they can safely block bullets.

The physical strength of elite blood bats is still OK. It blocks all bullets in a magazine directly, and does not let a bullet interfere with the bloodthirsty King bat.

Seeing this, the road army was in a hurry. If they went down like this, they would not be able to defend the wall!

Fortunately, the road army suddenly thought of something, immediately ran to a firepower guard, picked up the energy magazine on the ground, and replenished the firepower guard who had been smoldered with ammunition.

He wants the firepower guard to shoot down the bloodthirsty King bat in the air. The elite blood bat can block the bullet of the rifle, but can't even block the bullet of the firepower guard?

Even if the fire guards can't shoot down the bloodthirsty King bat, it's good to push it back and block its attack

More than ten seconds later, the road army replenished the firepower guards in front of them with the fastest speed, and the fire guards spewed out blue fireworks again. The target was the bloodthirsty King bat 100 meters above.

When the elite blood bats around saw the bullets coming, they wanted to continue to use their bodies to block them. However, the high firing speed and high power firepower guards were not comparable to ordinary rifles. They directly disabled an elite blood bat and exposed the bloodthirsty King bat behind.

The bloodthirsty King bat, who has been launching ultrasonic attacks, didn't expect that his elite would be unable to block the bullets. He didn't react at once, and had no time to dodge. He was hit by the bullets fired by the fire guards, and forced to interrupt the attack. He was also hit and rolled in the air for several times, looking like he was about to fall down.

But the bloodthirsty King bat did not get hurt. Its four flapping wings soon helped him stabilize his body and regain his balance.

Although the road army interrupted the attack of the bloodthirsty King bat, most of the soldiers on the wall fell into a coma, and few people could continue to lift their guns to fight.

What's more, the bloodthirsty King bat who was interrupted by the attack looked at the Lu Jun and Ruan Bing at the B1 section of the city wall. He was very angry. He knew that most of his men had been killed by these two men. He didn't expect that these two men were still blocking his attack, which made him very unhappy.

The unhappy bloodthirsty King bat immediately led the remaining elite blood bats to the B1 section of the city wall. It wanted to kill the road army and Ruan Bing in person.

The fire guards are still shooting into the air, trying to hit the bloodthirsty King bat and elite blood Bat again, but they are all nimbly dodged by the bloodthirsty King bat, and its speed in the air is still extremely fast.

Looking at the bloodthirsty King bat getting closer and closer to the city wall, the Lu army immediately took out the dead butcher 8000 and waited for the bloodthirsty King bat to enter the attack range.In fact, the road army would like to see him, because then he would be able to attack the bloodthirsty King bat. If the bloodthirsty King bat always flies in the sky to harass him, he really can't

Another reason is that the infected group is very close to the city wall. If we don't get rid of the bloodthirsty King bat and let the soldiers recover their fighting power, the wall will be broken in less than ten minutes.

Two seconds later, the bloodthirsty King bat flew over a distance of nearly 70 meters and came to the top of the B1 section of the city wall. The blood thirsty King bat with a distance of more than three meters looked powerful and oppressive.

"Fight!" Seeing the bloodthirsty King bat approaching, the road army raised the dead butcher 8000 and yelled. Then there was a "bang" sound and pressed the trigger of the dead butcher 8000.

If the death butcher 8000 can hit, it will certainly damage the bloodthirsty King bat. After all, the power of the death butcher 8000 can definitely damage the creatures of level a and below.

Unfortunately, the bloodthirsty King bat was still too flexible. Its four wings fluttered in a burst, and its three meter long body flashed directly through a body position, dodged the bullet of the death butcher 8000, and then made a reverse charge, which was closer to the position of the road army.

Ruan Bing on one side kept throwing out the fire of his soul, but he was also evaded by all the bloodthirsty King bats. After all, the blood thirsty King bat can avoid bullets, and the soul fire which is much slower than the bullet speed is more difficult to hit it

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