In desperation, Wang Daoyuan thought of the physics knowledge he had learned in his previous life.
After all, he is a highly educated person. He studied sound waves in physics starting from junior high school and continued to study them in college. So he doesn’t know anything about sound waves.
However, the laws of this world are not exactly the same as those in his previous life. When he was a child, he also tried to use the chemistry knowledge he learned in his previous life to do things, but without exception, they all failed.
For example, he once wanted to generate electricity by generating electricity to make thunder symbols. As a result, this world cannot generate electricity at all.
In this world of cultivating immortals, it seems that the principles of matter are different from those in previous lives.
Therefore, he was really unsure whether the knowledge of weakening sound waves he had learned in his previous life could be used in this world. However, at this time, there was no other way but to treat the situation like a dead horse.
According to the knowledge learned in previous lives, sound transmission requires a medium.
Such as air and water, but the energy loss of sound propagation across media is very large. The greater the density difference between the two media, the more sound energy is lost. With less energy, the sound will naturally be smaller.
For example, someone is riding a horse in the distance, so far away that the sound transmitted through the air can no longer be heard.
Sound propagates better on the ground. You can clearly hear the sound of horse hooves with your ears on the ground, but you can't hear it when your ears are off the ground. This means that sound propagates from the land to the air, which is a cross-media propagation, and the energy is lost.
, the sound is too low for human ears to detect.
As for the specific principles, it had been several years since I graduated from college in my previous life, and another twenty years had passed in this life, so I had long forgotten all about it.
However, it is not important whether you know the principle or not, what is important is knowing how to do it.
If he knew the Earth Wall Technique, which could condense spiritual energy and transform it into a physical entity, then he could make an earth ball to wrap himself up. Unfortunately, the spiritual talismans he refined did not have this kind of talisman.
The earth armor talisman, the armor condensed by the golden armor talisman, and the water dragon armor are also in the state of aura, not entities. The only non-gas they can condense is water balls.
Wang Daoyuan made up his mind to take a gamble. If he could weaken the sonic attack, he would kill this old guy. If it didn't work, he would just use the second-level mid-grade magical talisman to escape.
Using water spiritual power, he controlled the water in the underground river under his feet to form a water ball. This layer of water ball did not tightly wrap around his body, and there were still some gaps between it and his body.
He was not worried about the layer of water polo, so he condensed a larger water polo and wrapped it outside.
There is a half-foot gap between the two layers of water balls, which is filled with water aura.
For the sound of the bell to come through, it must first pass through the air and spread to the outer water polo, then spread from the outer water polo to the gap between the two water polo balls, then spread to the inner water polo, and finally spread to the air between the person and the inner water polo.
Only then can he hear it.
If this principle works, if the medium is crossed four times in a row, it is estimated that the sound of the bell will reach the ears without making a fart sound.
Wang Daoyuan not only did not retreat, but also took a few steps forward, as if he was about to take action.
The old man in black robe controls the yellow bell to sound again.
To be cautious, Wang Daoyuan still took a few big steps back to prevent this principle from being ineffective and being severely hit by the sound wave without even a chance to escape.
The two of them were only ten feet apart, and the bell sounded in an instant.
The outer water ball was shaken by the sound of the bell and produced splashes of water. The entire water ball layer seemed to be boiling, while the inner water ball had only small ripples.
When the sound reaches Wang Daoyuan's ears, it is like hearing the sound of a bell dozens of miles away. If you don't listen carefully, you won't hear it at all.
This principle works, Wang Daoyuan is particularly happy: "Sure enough, there is no fart sound, old boy, just wait until I chop you alive."
Seeing that Wang Daoyuan was not affected by the sound of the bell, the old man in black was a little unbelievable. He activated the yellow bell several times in succession, but it still had no effect at all.
On the contrary, he himself activated the magic weapon continuously in a short period of time, and his body was hit by the force of the shock, and he vomited blood.
A few breaths later, Wang Daoyuan had already arrived in front of him.
The old man in black robe asked in horror: "How can you not be affected by the sound of the bell?"
Wang Daoyuan didn't reply and directly used the Water Dragon Technique. A water dragon appeared and entangled Huang Zhong.
The water dragon flew towards him with the yellow bell. He took the yellow bell and sent it directly to the spirit bead space.
Even if there is a connection between the old man in black and the magic weapon, there is a gap between them. No matter how powerful you are, you will not be able to sense the yellow bell, let alone activate it.
After removing the biggest threat, Wang Daoyuan dispersed two layers of water balls, and the water dragon spell turned into water dragon armor again. With the addition of gold armor talisman and earth armor talisman, he was not afraid of what this injured old boy could do to him.
He knows very well that villains die from talking too much. Although he is a decent person now, he still has to be on the safe side and send this old boy to his death first.
He took out the Xuanyang Sword, and without saying a word, he struck down the head with one strike.
The black-robed old man didn't know whether he was injured or something else. His body was so frighteningly weak that he couldn't dodge this simple sword attack and only had time to turn his head away.
The sword struck him on the left shoulder.
Although the Xuanyang Sword is not very sharp, it depends on who it is cutting. It is almost impossible to cut a python or a crocodile with rough skin and thick flesh, but it is really like playing with this old boy.
With one strike of the sword, the old man in black robe was almost split into two halves. He didn't even struggle much before he hiccupped.
Wang Daoyuan did not choose to search on the spot for the good things he had on him. Instead, he searched for the good things on the spot after killing the enemy. It would have been too easy for him to be plotted.
The defensive talisman and water dragon armor were still on his body. He picked up the body of the old man in black robe and tried to take away the storage belt on his body.
Suddenly, a spirit beast bag on the black-robed old man's waist untied itself, and a young casual cultivator ran out of it.
Wang Daoyuan grabbed him and asked, "Who are you? Why are you here?"
Without saying a word, the casual cultivator turned around with a hidden weapon, then turned around and ran away.
This hidden weapon is exactly the kind of needle-shaped magic weapon that was hidden in the black smoke when the old man in black robe blew out black smoke.
The needle hit Wang Daoyuan's earth armor talisman, and the earth armor phantom shook slightly. This power was far inferior to that used by the old man in black robe.
Wang Daoyuan didn't bother to talk nonsense with him, he chased after him directly and struck the cultivator on the back of his neck with his palm, causing the cultivator to faint immediately.
After all, he is just a guy at the second level of Qi training. If he wants to be a monster in his own hands, just dream.
At this time, the body of the old man in black robe was still in his hand.
Wang Daoyuan directly opened the three spirit beast bags on his body, and after making sure that no one or monster was hiding inside, he put the three monster beasts inside and put them into the spirit bead space together with the storage bag.
Then he put the body of the old man in black robe into a storage bag and hung it on his belt.
Huang Zhong was still in the spirit bead space. Without being sure whether the old boy had any back-ups, he threw the body directly into the spirit bead space. There was no guarantee that the old boy's back-up plans wouldn't be used.
If another casual cultivator pops out from somewhere, he can directly control Huang Zhong and give it to Wang Daoyuan when his consciousness enters the space.
When the spiritual consciousness penetrates, being attacked by the yellow bell may involve the soul.
You have to be careful to sail the ship of ten thousand years. Even if you are sure of winning, you have to be steady. It doesn't matter if it's a little troublesome. If you are careless and get plotted, you will really die in peace.