Chapter 1802 Disrupting Sound Waves

Chen Yang, Yu Ziwen, Jiang Wentao, and Yan Guinan took the Longwu boat and stopped at the mountain range 300 miles south of Futu River.

This mountain range looks very ordinary, and the feng shui is also very ordinary. Except for some ordinary families living on the edge of the mountain range, there is no one in the depths of the mountain range.

Ordinary people would never think that there is an ancient tomb hidden in this mountain range.

Chen Yang and the other four flew down from the Longwu boat, flew low in the mountains, and rushed towards the entrance of the ancient tomb.

Ke Zeyao's hand-drawn map clearly marked the geographical location.

But even so, they searched for two hours before they found the entrance.

The four stopped in front of a big tree with a diameter of seven or eight meters. The tree was more than fifty meters high, with lush branches and leaves. It was unknown how many years it had been. The annual rings on it were blurred and could not be seen clearly.

At the bottom of the tree, there was a tree hole, about two meters wide and two meters high.

The tree hole was dark, and the inner wall of the tree could be vaguely seen.

According to the markings on Ke Zeyao's hand-drawn map, this tree hole is the entrance to the ancient tomb.

Although the tree hole looks ordinary, as long as you walk in, you can enter the ancient tomb.

At this moment, a fat squirrel came out of the tree hole, looked at Chen Yang and the other four, and flew into the jungle.

Although it was fleeting, Chen Yang and the other four sensed that the squirrel had a rotten smell on it, and it was obvious that it had stayed in the closed underground space for a long time.

"Let's go."

As the leader, Yan Guinan took the lead in walking into the tree hole.

His figure gradually faded, and finally disappeared completely.

Jiang Wentao glanced at Chen Yang and walked into the tree hole second.

Chen Yang and Yu Ziwen also walked in.

After entering the tree hole, the scene in front of them changed instantly. The four of them were in a cave, on the edge of a cliff, with a deep abyss in front of them. Fifty meters away, opposite, there was a huge palace. There was a plaque hanging above the entrance of the palace, but there was no word on it.

Yan Guinan looked towards the abyss, and flicked his finger to shoot a stream of Qi into the abyss.

"Chijijijiji..."

The Qi was like poking a hornet's nest. A series of sharp sounds came from the abyss, which was very piercing.

Then, bat-like monsters flew up from the abyss, and there were at least two thousand of them.

However, these bats were not strong. They were all red-clawed bats in the late Jindan stage.

Chen Yang and his four companions attacked one after another and quickly cleared these red-clawed bats. The remaining few fled and returned to the abyss.

"This first level is too simple."

Jiang Wentao put away the mandarin duck sword and looked at Chen Yang, as if mocking that the obstacles set by Chen Yang's ancestors were too low-end.

Yan Guinan glanced at Jiang Wentao and said in a deep voice: "The appearance of red-clawed bats is often accompanied by red-clawed bat kings. Don't take it lightly."

Jiang Wentao said disapprovingly: "The red-clawed bat king is just a fourth-level extraordinary monster. It can't pose a threat to us at all. Why bother?"

Yan Guinan's eyes flashed with displeasure, but he still patiently explained: "For every ten red-clawed bats, there may be a red-clawed bat king leading them. In other words, there may be hundreds of red-clawed bat kings that will appear from the abyss."

Hearing this, Jiang Wentao's face changed slightly.

Although hundreds of red-clawed bat kings will not kill them, they can also cause a lot of trouble.

And if they are not careful and are dragged into the abyss, it is pitch black below, and it is unknown what kind of crisis is lurking.

Suddenly, the sound of flapping wings came from the abyss, and the sound was like a tornado, whirring.

Immediately afterwards, more than two hundred huge red-clawed bat kings flew up from the abyss.

These red-clawed bat kings did not make any sound, but their fierce demonic aura enveloped the sky above the abyss, frightening people.

More than two hundred red-clawed bat kings attacked at the same time, and the momentum was quite terrifying.

Jiang Wentao, Ke Zeyao, and Yu Ziwen immediately attacked the red-clawed bat kings.

Their realm was much higher, and they often killed one with one sword.

But they found that Chen Yang stood there and did not take action. Instead, he took out a strange machine of unknown origin from the ring and fiddled with it.

"Chen Yang, what are you doing? Why don't you take action?"

Jiang Wentao looked annoyed and roared at Chen Yang.

As soon as he finished speaking, suddenly, the originally fierce red-clawed bat kings seemed to be crazy, no longer attacking Yu Ziwen and others, but just flying randomly, and they actually collided with each other. ,

They are very fast, and often they will suffer serious injuries when they collide.

For a moment, blood splashed in the air, and the continuous collisions killed and injured most of the red-clawed bat kings.

The remaining red-clawed bat kings, like headless flies, stumbled and flew towards the abyss.

Seeing the last red-clawed bat king hit the cliff of the abyss hard and then fell into the abyss, Yu Ziwen, Jiang Wentao, and Yan Guinan couldn't help but twitch their mouths, not knowing what happened.

When the scene was completely calm, Yan Guinan pondered: "These red-clawed bat kings seem to have been disturbed by something and lost control of their flight direction."

He looked at Chen Yang, his eyes turned and fell on the machine next to Chen Yang, and asked thoughtfully: "Brother Chen, did you do it?"

Chen Yang nodded and smiled: "Brother Yan, smart."

Hearing this, Yan Guinan, Yu Ziwen, and Jiang Wentao all had surprise in their eyes.

Chen Yang managed to kill more than two hundred red-clawed king bats without even making a move. This method was too incredible.

Yu Ziwen stepped forward and asked, "Chen Yang, how did you do it?"

"Although the Red Clawed Bat King is a monster, he is still a type of bat. Bats rely on sound wave reflection to determine direction, distance, and position when flying."

Chen Yang pointed to the machine next to him and continued: "This is an ultrasonic emitter. After I turned it on just now, the ultrasonic waves disrupted the sound waves of the Red Clawed Bat King. They received the wrong reflected sound waves, so they lost control. "

This explanation confused Yu and Ziwen, who had never studied biology or physics.

Jiang Wentao came to his senses and said in a cold voice: "Chen Yang, don't brag. We have never heard of ultrasonic waves and reflections. What is your theory?"

Yan Guinan looked puzzled and asked: "Junior brother Chen, where did you get this ultrasonic transmitter? Forgive me for being ignorant, I have never heard of it before."

Chen Yang said: "I brought the ultrasonic transmitter from Diwu Star. At that time, I just moved some instruments and put them in the Najie. I didn't expect that they would come in handy today."

Hearing this, Yan Guinan raised his eyebrows and said: "Diwu Star, I heard that the technology there is very advanced, but the cultivation is very backward. Junior Brother Chen, are you from Diwu Star?"