There were only two people in the car, me and Lin Ying.

Lin Ying said to me that the sinkhole at the foot of Kui Mountain suddenly spewed hot air outside one after another. A special team of members was going down to the depths of the sinkhole to explore, but they caught a hot gas eruption halfway through and never returned.

Until now, I can only tell her the truth about what I encountered.

She listened to me and was furious.

"Is that house arrest for you! I want to protect you and Teacher Shen! ……”

“…… Shen Yu has two personalities, why didn't he tell me earlier! ”

“…… That Hua Hu is here to destroy us! You've been hiding it until now, so what do you want me to say! ”

"Now you look outside, are you satisfied with what it looks like this? It's understandable that you cover up the truth for the woman you like in order to protect her, but hiding it won't solve the problem! Avoiding illness and avoiding medical treatment will only lead to a dead end! We must discuss it together and find a way! ”

She shouted angrily, and I suddenly remembered what Shen Yu had instructed.

"There is a way to solve these problems!" I say.

"What way?!"

I talked about the methodology that Shen Yu talked about again, and told Lin Ying that we can use what we can understand to find the "commonality" between common sense and strange events, and then compare them with each other to find a solution to the problem.

"Don't think of bizarre events as incomprehensible, try to understand them." I reminded Lin Ying.

"That's fine, but it's all macro things, and now it's imminent, there are theories, and there's no way to get there? How to do it? Where is the root of the incident?! She asked me with round eyes.

"Find her, she knows what to do!" "And after midnight, she'll turn into a mane again, and if they're recognized by the faceless man who wants to summon the asuras, wouldn't they be like a tiger?" So we have to find her early and get her back! ”

Lin Ying nodded: "Can there be any other tricks now?!" ”

I suddenly remembered something, and hurriedly said: "Nie Qing is not from ICPO at all, she is a faceless person, and her face is likely to be disguised!" ”

Lin Ying glanced at me.

"You still need to say that she has already run away from the place of detention! Her coming to the special group is pure provocation! Today's fake team members in Luqiao Park are all people who have met with her! She wrote down the faces of these people, and then asked the faceless men to make their appearances exactly the same, otherwise how could they pretend to be us and sneak into the innermost part of Luqiao?! ”

"However, to find Shen Yu, you must first find the place where the faceless man is hiding! They came and went without a trace, and there were thousands of people besieging the dried fruit factory just now, and we can't handle them with just a few people from the special group! ”

Who knew that Lin Ying showed a rare smile at this time.

"We've found a way to deal with the faceless man."

"What? Are there thousands of troops to encircle them? ”

"No," Lin Ying shook her head and said, "Since the Battle of Huaixizhuang, we have done targeted research with scientific researchers. We all know that the most vulnerable part of the faceless man is the heart, but after dissecting and studying the heart of the faceless man, experts in various fields have made a very valuable discovery - the heartbeat rate of the faceless man is many times higher than that of humans, which is why their physical strength and explosive power are extraordinary. ”

"Don't think I don't understand biology, faceless men can survive for so long, if you have tachycardia, I'm afraid the rate of aging will be faster, it stands to reason that they should have a shorter lifespan."

"They do have a fast metabolism, but experts believe that their cell structure is special and can exceed the Havelik limit, which is the reason for their super long lifespan—"

I was about to ask again, but Lin Ying glared at me fiercely.

"You put away the nerdy first, now time is pressing, let's make a long story short - anyway, the experts studied the heartbeat rate of the faceless men, and they found that there is a frequency that resonates with their hearts, but it has little effect on human organs and senses......"

"You mean sonic weapons?!"

"Yes, this sound wave can resonate with the heartless man, of course, if the intensity is too high, humans will also cause discomfort, but not fatal damage.

"In the past few days, according to the advice of experts, the special team has specially commissioned manufacturers to develop two secret weapons, one is used to detect sound waves in this band, which can keenly detect the concentration of this heartbeat frequency, so as to perceive the gathering area of faceless men; The other is a weapon that emits high-intensity sound waves, which can directly destroy the heart...... of the faceless man."

"Great!" I said excitedly, "No wonder the last time the sinkhole collapsed and produced infrasound, we all felt uncomfortable, but it had no effect on the faceless men, it turns out that their organs vibrate at a different frequency than ordinary people!" ”

"Yes, the reason why I didn't go to Luqiao Park this morning is because Shen Yu said that don't go there to interfere too much, it will not be easy to cause a bigger incident; second, because the sinkhole also needs manpower; The third is that five strongly-controlled sonic transmitters were sent to the group at noon today - we can use them directly immediately! ”

I was overjoyed, urging Lin Ying to hurry back to the bureau to get the equipment, so that even though I searched for Shen Yu, who knew that Lin Ying would glare at me again.

"I still need you to urge! After getting the detector, the special team has already sent people to search all over the city for the first time, this time we have to go all over the city in one go, and completely turn out the faceless man's nest! ”

……

While waiting for the search feedback, Lin Ying took me to the foot of Kui Mountain and saw the string of huge sinkholes.

Just like the rumored sinkholes in the Western Night Ruins, these sinkholes are also full of clouds and mist, but there are no stone steps to go down, and once you approach the sinkhole, you will feel the heat wave below.

Needless to say, this is different from the karst cave of the Tomb of King Deerhill, and it may be directly connected to the lava material underground. If there is magma underneath, the temperature is too high, and a large amount of toxic gas is released, and it is impossible to go down and detect it.

"I also put down the drone in the morning, because the fog is too thick, so I can't see the clues. We also lowered the detector and found that the thermal radiation underneath was very serious, and we couldn't let people go down for a while anyway. ”

I agree with her.

"The sinkhole in the Western Night Country, the temperature below is normal, so the whole city of Huqian Valley can hide in it. But the Kuishan sinkhole is obviously different from the West Night, and it is not so much a sinkhole as an active volcanic crater. I added.

"Yes." Lin Ying led me out of the sinkhole, climbed down the dirt slope, and walked towards the car. Just then, her phone rang again. She glanced at the screen and connected her phone. Soon, a calm and stunned expression appeared on her face.

"The corpse engraved with 'Evil Opinion' was found? What did you say? The corpse was placed in the compound of the bureau?! ”