The white bone directly gave up the attack and stopped in place, but the two rows of teeth kept moving one by one, just like a person talking, the faster it opened and closed, the clearer the sound of rustling in the ears.

Zhang Tianyi's scalp was numb when he heard the voice, he didn't know how this voice came out, but it seemed that Bai Gu could control this sound.

Zhang Tianyi and Wu Shengnan glanced at each other, and the two of them rushed over in unison, since they couldn't return, they had to move forward, and this white bone was too weird to keep and always felt that something was wrong.

Wu Shengnan turned around against the white bone, and the dagger in his hand left a deep scratch on its neck bone.

Zhang Tianyi stared and observed for a while, and found that the scratches on the neck bone of the white bone did not disappear like the previous injury, and immediately said with great joy: "Separate its skull first!" ”

Wu Shengnan nodded, they saw hope in each other's eyes.

Although Zhang Tianyi couldn't hurt the white bones, there was no problem with circling for a while. He hooked the white bone neck with an iron pickaxe, and Wu Shengnan swung the dagger directly into its neck bone.

Soon the skull was separated by Wu Shengnan, and Zhang Tianyi hurriedly smashed the skull on the ground with an iron pickaxe.

Sure enough, it was similar to Zhang Tianyi's guess, it was not without weaknesses, and after the skull was separated, the skeleton was scattered into a pile of rough bones and piled on the ground.

"It's not going to come back to life." Zhang Tianyi breathed a sigh of relief, but he sucked it back before he finished relieving it.

"That's ...... What the......? Zhang Tianyi turned around and suddenly found that a layer of strange insects appeared on the wall at some point, they were densely packed together, and their bodies rubbed to make a rustling sound.

"That's what they sounded about!" Lin Fan found the source of the sound.

Wu Shengnan held the dagger upside down and stared at the insects on the wall, and then seemed to suddenly think of something and shouted loudly: "Turn off the lights, don't be stunned and run away!" ”

Only then did everyone react and hurriedly run forward, at this time the sound of rustling under their feet was getting closer and closer, and then they vaguely saw strange insects like the wall coming out of the cracks of the bluestone slabs.

Zhang Tianyi endured his nausea and jumped over and asked, "What kind of bug is this?" ”

"Red Flame Dragon Llice." Wu Shengnan replied, and then said: "It is a very terrible poisonous insect." ”

Lin Fan immediately became vigilant when he heard that the insects were poisonous, and in a panic, he forgot Wu Shengnan's advice and accidentally turned on the flashlight.

The flashlight shone on the body of the red flame dragon lice and made a "zizi" burning sound, and the next moment the red flame dragon lice in the flashlight light actually spontaneously combusted!

"Stand back! Don't touch them! After saying that, Wu Shengnan stayed away from those spontaneously combusting red flame dragon lice.

The miner's lamp on Zhang Tianyi's forehead was also turned off by him, there was no light around, and the rustling sound in his ears was very dense, he could imagine the scene around him, there must be red flame dragon lice everywhere, and he could feel the bulge on the soles of his feet all the way over.

"Why is this bug so weird?" Lin Fan stepped back and asked.

Wu Shengnan seemed to be a little dissatisfied with Lin Fan's unauthorized actions just now, and said in a calm voice: "The red flame dragon lice has been feeding on yellow phosphorus for a long time, and it will spontaneously combust when it encounters light, yellow phosphorus has no peculiar smell, and once it is touched by the human body, it will be poisoned, and the reaction of poisoning is that the yellow phosphorus in the body "spontaneously combusts" when exposed to sunlight, and burns the whole body of the person and eventually dies. ”

"Then how did they survive, they can't never see the light for the rest of their lives, right?" Zhang Tianyi felt very strange, the inexplicable appearance of this insect seemed to have something to do with the white bones, and the white bones were inexplicably resurrected, why was it good before and now all the strange things are spread together?

"They're not creatures of the yang world." Wu Shengnan said something that shocked everyone.

Zhang Tianyi calmed down and said, "Even if it's the underworld, it can't appear inexplicably, right?" And it's not so easy for high-dimensional space lifeforms to come to the yang world, right? ”

Wu Shengnan said: "It's not that easy, but there are some things that can help them come, for example, Yin and Yang sewing ......"

"Are you saying that the Yin and Yang Rift can allow the life forms of the underworld to travel through the dimensional space at will?" Zhang Tianyi felt incredible.

"Not only that, but our lifeforms in the yang world can also enter the underworld, but it is much more difficult than them to come to the yang world." Wu Shengnan paused for a moment and continued: "I felt something was wrong when I came in from the beginning, the temperature here was obviously much colder than other places, this is the effect of the Yin and Yang Crack, but at that time I was not sure that there was a Yin and Yang Crack here, until the resurrection of the white bones, I didn't notice that there might be a Yin Soul nearby, and then the Red Flame Dragon Lice suddenly appeared again to confirm my suspicion." ”

"And how do you get them back now?" The feeling of blackening his eyes made Zhang Tianyi feel suffocated.

Wu Shengnan said quietly: "I can't send it back, you just touched the yin and yang crack of the mechanism has been completely opened, and once the yin and yang crack is opened, it cannot be closed, unless someone can block the yin and yang crack with the flesh." However, now it seems that this method does not hold, because we do not yet know the exact location of the yin and yang seams, and even if we do, it may not be successful, after all, the human body has a limited ability to resist pressure and cannot withstand such a large amount of yin energy. ”

"But ......" Wu Shengnan seemed to be deliberately hanging the appetite of the two of them.

Zhang Tianyi heard Wu Shengnan say this, and felt that things might take a turn for the better, and asked, "But what?" ”

"However, the size of the yin and yang seams limits their range of movement." Wu Shengnan explained: "They can't stay away from the yin and yang cracks. ”

"Then how do we know how big this yin and yang crack is?" Lin Fan asked.

If there is light around, you must be able to see Wu Shengnan looking at Lin Fan with idiot-like eyes, and said, "Naturally, when you can't see them, you will know how big the yin and yang gap is." But don't blame me for not reminding you, we're not so lucky next time, and if they spontaneously combust we will be burned to slag. ”

Lin Fan knew that Wu Shengnan was still complaining about himself, so he laughed twice and didn't say anything more.

"It's so dark, how are we going to go?" Zhang Tianyi felt something moving on the soles of his feet, thinking that it must be those insects.

Lin Fan also moved cautiously, Wu Shengnan portrayed this thing as too terrifying, once the skin touched them, the whole person would spontaneously combust after going out and meeting the sun, Lin Fan had to take every step carefully.

"Where is the wind blowing now?" Wu Shengnan walked at the back and asked.

Zhang Tianyi paused for a while and said, "Blow from right to left." ”

"Alright, let's go left." Wu Shengnan commanded.

"Why don't you go to the right?" Zhang Tianyi felt that the direction in which the wind blew was the way to live.

Listening to Wu Shengnan's tone, he seemed to hate iron and steel, and said, "Don't you feel that the closer you get to the right, the lower the temperature?" ”

Zhang Tianyi was empowered: "You mean that the yin and yang seam is very likely to be on the right?" ”

"It's not stupid." Wu Shengnan lowered his head and muttered.

Zhang Tianyi avoided the right side and groped in the dark for a while, but he never reached the end, so he asked, "Does the glow stick have an effect on this thing?" ”

Wu Shengnan was stunned, and then said, "I don't know, but you can give it a try." ”

Zhang Tianyi didn't dare to move, he thought about it, the temperature of lighting tools such as flashlights may be the reason for their spontaneous combustion, and the glow stick is just a chemical liquid without temperature, and it should be fine. Zhang Tianyi comforted himself again, and it was impossible to memorize his luck to the end, and besides, who knows if these disgusting insects will suddenly burst out if they have been dragging here.

Thinking of this, Tianyi took out a glow stick from his bag, broke the glass tube inside and shook it vigorously, and then slowly appeared green fluorescence.

"No problem!" Zhang Tianyi said happily.

Lin Fan also took out a glow stick from his bag and handed it to Wu Shengnan, this time there are not many other preparations for lighting tools, in the final analysis, it is still the shadow left last time in the white fox den, there are a pair of dark green eyes staring at you in the dark corner, and I shudder to think about it.

Each of the three of them has a glow stick, although the brightness is not very strong, but it can also allow them to see their surroundings clearly.

Zhang Tianyi looked up and found that the roof of the cave was now crawling with insects, and the ground was like flowing water, and there was a tide of insects. However, these bugs do not actively attack people, and can sense obstacles, and they all walk around them.

Although it seems to be safe at the moment, this security is only temporary, no one is sure if these bugs will make any moves next, this thing is everywhere, and if there is a good one, they will have nowhere to hide.

"Let's go separate to find the exit, and we'll be back here in ten minutes whether we find it or not!" Zhang Tianyi said that if he stayed here for a second longer, he would have a sense of crisis in his heart.

Wu Shengnan and Lin Fan didn't have anything to say, and after the arrangement, the three of them went to three different directions to find an exit.

Zhang Tianyi knew that this place was very big, but he didn't expect it to be bigger than he imagined, although the brightness was not strong, but he also gave a general look around, where is this cave, this is simply an underground palace!

Look at the surrounding stalactites are almost hundreds of years old, although it is very cold inside, but the sound of spring water dingdong in the ears is quite appropriate, this is definitely the kind of admission fee if it is open to the public.

Jing is seen a lot, but the exit is still not found, and after walking around the wall at the end, he didn't find any caves or passages, so Zhang Tianyi had no choice but to rush back.

After Zhang Tianyi went back, Lin Fan and Wu Shengnan also came back one after another, and looking at the faces of the two people, they knew that they had also returned in vain.

"You can't just be trapped here......" Zhang Tianyi was a little discouraged, now there is only the right direction left and there is no check, it really can't be done, even if there is really a yin and yang crack in front, you have to take a look.

Zhang Tianyi thought so, holding the glow stick and looking at the darkness on the right a few more times, he shivered in the wind, and accidentally dropped a glow stick in his hand to the ground. He subconsciously bent down to pick it up, and it was this action that made him discover the clue.