As the warrior army approached, Luo Tian knew that he had to activate the Eagle System immediately. He said to Qiao Hexiu, "The enemy is about to rush over. Just press this button on your chest and you can fly into the air."
Luo Tian held a cluster sonic tube in his hand and threw the other one to Xiu, saying, "This is a new type of weapon we are testing. It can attack with sonic waves."
Xiu took the sonic tube. This was the first time he saw a weapon of this strange shape, so he looked at it carefully.
At the rear end of the sonic tube is a grip-type handle and a long tube. Due to its large size, it needs to be held up with both hands. In the middle of the sonic tube is an oval white box that can generate and amplify sound waves. The front end of the sonic tube is a black circular device similar to a speaker with fine holes on it. The generated and amplified ultrasonic waves can directly attack the target through the directional holes.
"How do I use this thing?" Xiu asked Luo Tian curiously.
Luo Tian explained: "There are three buttons and a knob on the handle. The green button is used to start the sonic tube, and the machine starts to generate sound waves. The red button is the launch button. When pressed, ultrasonic waves will be immediately emitted to attack the enemy. The black button is used to close the sonic tube, and the knob is used to adjust the frequency of the sound waves. You will listen to my commands later. When I shout to attack, you just need to press the green and red buttons. The frequency and size of the sound waves have been set in advance and do not need to be adjusted."
After listening to Luo Tian's explanation, Xiu roughly understood the use of the sonic tube, but he had never seen how powerful it was.
Luo Tian was not very sure about the killing effect of the sonic tube. He just felt that the ultrasonic waves emitted by the sonic tube could not be defended by the black shield of the enemy, and would at least have a certain killing power on the warrior group.
The black-clad warriors had already rushed over. Luo Tian knew the time had come. He pressed the button on his action suit and activated the Eagle Teng system. Qiao Hexiu followed suit and pressed the button as well.
Just as the black warriors' shields were about to approach their bodies, the three of them suddenly rose into the sky, just like a frog leaping into the air when it encounters an obstacle. The transparent glass helmets rising from their clothes also covered their heads.
Qiao and Xiu had never experienced the feeling of flying in the air. At first they were not used to it and found it difficult to control their body balance. Twice they almost fell into the crowd of warriors. After trying hard to adapt, they quickly mastered the trick.
Luo Tian commanded in mid-air: "Xiu, aim at the enemy and activate the sonic tube!"
Xiu and Luo Tian both pressed the green button, and the sonic tube started. They soon felt the vibration of the sonic tube, which was the machine creating and amplifying ultrasonic waves. They pointed the black circular device at the warrior group below and pressed the red button. The two only felt their bodies shake, and a huge sound wave shot towards the warrior group.
Since Luo Tian, Xiu and Qiao were wearing protective helmets, they were effectively shielded from the ultrasonic attack. But the black warriors were not so lucky. They thought Luo Tian and Xiu would shoot lasers, and used shields to block them, but found that no light appeared.
When the black-clad warrior was rejoicing, he suddenly felt his eardrum severely damaged, as if he had been hit hard on the head with a club. Sharp roars filled the air. The world in front of him began to slowly turn red and black, and finally his brain went blank and he lost consciousness.
Qiao witnessed the powerful force of the clustered ultrasonic tube with his own eyes. Every time Luo Tian and Xiu launched an attack, it was like dropping a drop of colorless transparent water into the black ocean. The attacked black warriors quickly fell to the ground, covering their heads and struggling on the ground in pain, like earthworms twisting in the water, no longer able to launch any attacks.
"It would be nice if we could get a few of these things," Joe said to himself.
Luo Tian knew that no one in Uranus City had ever used sonic weapons, so it was difficult for these poor warriors to figure out the secret, which bought them time to enter the airship.
Qiao and Xiu followed Luo Tian and attacked the black-clad warriors while striding towards the airship and the mobile castle.
On the airship side, Gao Shan conveyed Luo Tian's instructions to Shu Ya and Du Gu Yun, and instructed them to start the airship. Shu Ya learned quickly, and after following Gao Shan's instructions, she mastered the key to starting the airship.
At this time, the warriors had surrounded the airship, but had not yet launched an attack. The Rooney brothers looked at the black-clad men surrounding them, and they couldn't help but feel fear in their hearts.
"Doctor Shu, how about we start the airship and get away from them?" Rooney asked tentatively.
"How can that be? Luo Tian hasn't come back yet, we can't just abandon him! Besides, the warrior group hasn't launched an attack yet, what are you worried about?" Shu Ya said to Rooney.
Ruby also advised: "Brother, wait a little longer, I believe the prince will be fine."
Rooney looked outside nervously and said nothing. He was very familiar with these warriors, because the Rubin family, as one of the four great nobles, also raised a group of such warriors.
They were wrapped in black clothes and their faces were covered, so their expressions could not be seen. However, under the black clothes, they had a dark heart. Everyone outside was a killing machine without blinking an eye, without emotion, humanity, or soul.
Li was also anxiously waiting for news from Xiu and Qiao. The map showed three white dots approaching the moving castle. Although the speed was not fast, it proved that they were still alive.
Now the moving castle was surrounded by a group of black-clad warriors. He did not dare to act rashly. First, he was worried that Qiao and Xiu would not be able to find him after the castle moved. Second, since the group of warriors did not move, there was no need for him to launch an attack rashly.
The black warriors were all in place, and Roger sat in an armored vehicle, watching the group of white dots surrounded by layers of white dots through the screen. Although he had collected five snow foxes and could have gone straight to the finish line and entered the next round, that would have been too easy and winning would have been too boring.
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