After Chu Yunyi's confirmation, three of the hundreds of tunnels in this underground karst cave had air flow.

"The air flow in the cave at twelve o'clock and two o'clock is extremely weak, and it is estimated that these two tunnels are far away from the exit. At eight o'clock, the air flu was obvious, but ......"

Cui Tian smiled: "But what? ”

Li Xing finished speaking for Chu Yunyi: "But there is an almost complete fresh sand snake molt at the Yongdaokou, if we choose this road, it is very likely that we will meet the sand snake." ”

Cui Tianxiao exclaimed: "What! I thought the sand snake was extinct! ”

Ye Qingting: "Aren't there many sand silkworms, as long as conditions permit, it is entirely possible to grow into sand snakes." ”

Chu Yunyi added: "From the analysis of the snake's moult, that sand snake is at least a hundred years old and has a body length of more than two hundred meters. ”

Although the two-hundred-meter-long sand snake is the younger brother of the sand snake world, it takes a lot of effort to really fight.

Ye Qingting thought for a while and said, "Cousin, Ah Xing, I want to choose the Yongdao in the direction of eight o'clock." If the road leads directly to the ground, of course, it is best, if not, we follow the sand snake, and the chance of going out is greater. ”

Even if this sand snake doesn't bask in the sun, it always has to burrow out of the ground to excrete, and following it is much faster than following the air current!

Chu Yunyi and Li Xing looked at each other and smiled, they knew that Qingting would make the same choice.

"Ah, what about you?"

"I'm okay with that."

"Then it's decided, let's go in the direction of eight o'clock."

Everyone followed Chu Yunyi to Yongdaokou, and Cui Tianxiao saw the huge wrinkled snake at a glance, and couldn't help but feel a chill.

The snake is so big, the size of the sand snake will only be more amazing, he was afraid of snakes, but he fell into the snake's nest, did God deliberately play with him?

In order to prevent the transparent monster from sneaking up again, Li Xing and Ye Qingting switched positions. In order not to arouse the vigilance of Ye Qingting and Cui Tianxiao, Li Xing ajar his divine sense, but fortunately, Chu Yunyi walked not far in front of her, which happened to be in the range of his divine sense. The four of them walked into the corridor like this.

Sand silkworms are amphibious, but sand snakes are extremely averse to water, once they eat water-rich animals or plants, sand snakes will excrete excess water in the form of sweat through glands on the skin.

In addition to excreting excess water, the glands also have the function of releasing body odor and marking the territory. Therefore, where the sand snake passes, it will leave a distinct body odor.

As soon as they entered the corridor, everyone smelled a faint smell of heather.

The soil of this road is fresh and the body odor is strong, which proves that the sand snake has not passed for a long time, which is a good thing.

As the walking distance gradually increases, the air in the corridor becomes more and more polluted, and the smell of heather becomes stronger and stronger. The Sand Serpent was not far from them, but the faces of the three male companions were embarrassed.

Sand snakes are so evil, they actually have such a blushing body odor, just rush this, and they deserve their genetic collapse!

Chu Yunyi couldn't bear it anymore, he used the wind blade to stir up the airflow, even if he used up his mental power, he had to let the smell spread a little, Li Xing couldn't smell this.

Cui Tianxiao secretly glanced at Li Xing with her afterglow, and was relieved to see her expression calm as usual.

Xing'er is young and simple, and he doesn't understand the meaning of this taste, otherwise, the three of them will die of embarrassment.

When his companions endured the smell of rushing straight to the Heavenly Spirit Gai, the "simple" Li Xing had already blocked his sense of smell and dutifully used his divine sense to protect Chu Yunyi's body.

Along the way, he didn't find anything, and Li Xing couldn't help but wonder if the knife he had just thrown hurt the transparent monster and made it dare not come again?

If only that were the case, they could concentrate on finding a way out.

When he leaves here, Li Xing must ask Yang Zhou whether the high-tech laboratory equipment has been researched or not.

At this moment, Ye Qingting, who was walking in the front, suddenly raised his hand and signaled the team to stop advancing, and Chu Yunyi's voice sounded in everyone's ears at the right time.

"Everyone, pay attention, a kilometer ahead, a sand snake is found."

Li Xing suddenly became excited, he really didn't expect this trip to go so smoothly and meet the sand snake so soon.

Li Xing: "Captain, I'm ready, give the order!" "Go out early after the fight, she still has a lot of things to do, how can she have time to delay underground!

Ye Qingting looked at Li Xing's eager appearance, it was really a headache. This kid usually looks gentle and gentle, why does he become a conspicuous bag when he mentions fighting, and he is more gentleman than a gentleman?

"You stand back for me!" Ye Qingting glared at Li Xing and said to Chu Yunyi, "Cousin, is the space where the sand snake is located, big or small?" ”

"It's small, it's eating, and the tunnel is the same width as its body, so it can only move back and forth."

Ye Qingting's eyes lit up and he had an idea.

"Guys, since the road is not enough for the Sand Snake to turn around, then we will harass it behind the Sand Snake. The sand snake is disturbed and will definitely burrow into the ground, so we will follow it out! ”

Cui Tianxiao scratched his head and wondered, "How do you know that the sand snake must drill into the ground?" What if it goes down? ”

"Ah Xiao, I have read the research literature on sand snakes, and the literature says that the tail end of the sand snake is most likely to be parasitized by star beasts such as earth barnacles, and if the parasitism is severe, it will block the cloaca and affect the excretion and cause the death of the sand snake."

"In order to avoid being parasitized, once the sand snake feels pain at the end of its tail, it will immediately burrow into the ground and excrete the body at the moment it leaves the soil, so that the excrement will wash away the parasitic barnacles."

"If it doesn't kill the barnacle, it rolls and rubs on the ground, using the sun and hot sand to kill the parasite. This is also one of the reasons why sand snakes love to bask in the sun. ”

Cui Tian smiled and listened, his eyes were full of little stars of worship, and the little emotions just now suddenly disappeared: "I can't see it, Qingting, you know a lot!" ”

Ye Qingting: Hehe, hey (*^▽^*)

Chu Yunyi analyzed it, and also felt that Ye Qingting's method was feasible, and after discussing the specific countermeasures, everyone ran to the back of the "greedy snake" buttocks.

Although he already had a psychological construction, after seeing the behemoth in front of him, Li Xing was so shocked that he opened his mouth slightly.

All they saw was a cross-section of the sand snake's body, which was oblate, ten meters high and fifteen meters wide. The sand snake has an orange-red coat covered with rough, hard, rock-like scales.

Ye Qingting took out the Ice Sword and shot a series of ice arrows at the sand snake's buttocks. The ice arrow struck the hard sand snake scales, and in an instant, it broke into several knots, and fell from mid-air. The sand snake didn't even leave a mark on it.

Cui Tianxiao pursed his lips, threw Ye Qingting a "look at me" look, and the thunder bow opened like a full moon, and a thick purple thunder arrow shot towards the sand snake. The angle of the thunder arrow was extremely tricky, and it shot right into the gap between the two scales.

The arrow hurt the sand snake, and a dull roar came from ahead, and then the sand snake sped up. Everyone ran forward after the sand snake's buttocks, and everyone noticed that the tunnel was obviously tilting upwards.

It seems that Qing Ting's judgment is correct, the sand snake is following the corridor, quickly approaching the ground, they are saved!

(End of chapter)