Not sure about Mu Tiance's safety, Xu Shaotang drags mu Tiance to a place more than 200 meters away from the black water area. After mu Tiance recovers part of his action ability, he slowly swims to the black water area.

This time, Xu Shaotang was extremely careful. Although he knew that he would not be restricted by the cold feeling, he did not want to experience the second time after the despair he had just experienced!

As Xu Shaotang gradually approached the area, the cold feeling came again, but compared with before, now the cold feeling is too childish, completely within his tolerance.

When he arrived near the reef, he could still move flexibly. The cold feeling came to him constantly, but there was no headache.

"There should be no problem!"

After he was sure that he could cope with the current situation, Xu Shaotang slowly climbed up the reef, stood on the reef and waved to Mu Tiance in the distance, indicating that he was OK.

Seeing Xu Shaotang's action, mu Tiance in the distance was also relieved. He raised his voice and called to Xu Shaotang: "hurry to see what's going on!"

In his heart, like the cat scratch, he not only wanted to know what was going on in this black water area, but also wanted to know what Xu Shaotang had to do with it.

Why can Xu Shaotang hear that voice, but he can't? Why can Xu Shaotang not be afraid of the extremely cold feeling now, but he can only wait and see from afar here?

Xu Shaotang made an "OK" gesture to Mu Tiance from a distance, and then slowly looked at the black water area in front of him.

He could feel that this piece of black water continuously sent out a very cold breath. When he slowly extended his hand to the black water area, the cold breath suddenly went crazy into his bones.

Feeling the pain in his bones, Xu Shaotang quickly moves his hand away from the black water, turns to take a handful of sea water from the blue sea, and pours the sea water into the black water.

As Xu Shaotang expected, when the sea water fell into the black water, the sea water completely floated on the black water, and the two were as immiscible as oil and water.

"What is this black water?" Xu Shaotang looks at the black water in front of him with a puzzled face. He wants to jump in and see what's going on under the black water, but he knows that if he really jumps down, he will become a corpse immediately!

After careful thinking for a while, Xu Shaotang said to himself, "forget it, let the dragon take them and let them use the robot to detect."

All kinds of signs show that this black water only has a great deterrent to living creatures, and the reason why there are no marine creatures in the surrounding sea is also because of this black water area.

What makes him even more curious is that this black water area is in the territory of Xia state. According to the truth, it should have been discovered for a long time, and there are no creatures in such a large area of sea area around, which should have attracted the attention of relevant departments!

Although there are too many questions in his heart, Xu Shaotang also knows that he can't solve these mysteries for the time being. He can only wait until the dragon has sent their robots to investigate here.

With some unwilling mood, Xu Shaotang turned around and shook his head to Mu Tiance, who had been looking this way, and said loudly, "I didn't find it!"

His voice just fell, but the corner of his eye glimpsed the rock he was standing on. It seemed that there were some words on the rock!

Xu Shaotang heart a joy, quickly squat down to carefully distinguish.

I don't know how many years of erosion this reef has experienced. It is full of holes, as if it was cut beyond recognition by the merciless knife of time.

Even so, if you look carefully, you can still see a few big words on the reef!

Xu Shaotang can be sure that these places that look like scratches must be a kind of writing that he does not know!

After finding these characters on this reef, Xu Shaotang looks at other reefs around him. He thinks in his heart, will there be such characters on other reefs?

Originally, he planned to see the condition of the other reefs. On second thought, anyway, dragon will send robots to investigate the situation here. Now it seems that he doesn't have to.

After a little hesitation, Xu Shaotang gave up the idea of exploring other reefs, jumped into the sea, and quickly swam in the direction of Mu Tiance.

"What do you find?"

Xu Shaotang just came to Mu Tiance's side, mu Tiance can't wait to ask.

"Nothing was found except a few unknown words found on the reef." Xu Shaotang shook his head slightly and said, "I don't know what the black water is. I have to turn around and ask Longjiang to send a robot to investigate."

Hearing Xu Shaotang's words, mu Tiance was somewhat disappointed. He looked at the black water area curiously, frowned slightly and said: "black water, which can almost kill you and me, is not an ordinary thing. Let the Dragon study them well."

"Of course!"Xu Shaotang nodded. Even if Mu Tiance didn't say anything, he would definitely ask Long Jiang to find a way to get some samples of black water back to those experts for research.

"Do you feel any discomfort now?" Mu Tiance suddenly asked Xu Shaotang.

Xu Shaotang looked at mu Tiance in doubt and asked, "what do you mean? Do you think there is something wrong with me now? "

He is very comfortable now, leaving the black water area, the cold smell is very little for him, of course, he can't have any discomfort.

"I'll just ask."

Mu Tiance said faintly: "so, the gust of wind that you said poured into your head should not do you any harm."

So he was worried about this!

Xu Shaotang looked at mu Tiance with a smile, shook his head slightly and said: "I don't know if there are any sequelae, but at least now it seems that there is no problem, and that gust of wind has saved my life, so even if there are disadvantages, we are worth it!"

If it wasn't for the wind that suddenly got into his head, he would not have recovered his ability to move, and they would have to wait there to die! So Xu Shaotang was very open-minded. Although he didn't know what the gust of wind was, he was lucky to be able to get out of danger.

As for the future, we can only talk about it later.

After a few simple conversations, they quickly swam in the direction of the yacht. Now they can clearly see the figure of the yacht on the sea, which also provides them with clear coordinates.

On the way back to the yacht, they said they had rescued the former helicopter pilot from the sea.

They return to the yacht safely. Everyone is relieved. None of them mentions the danger in the black water area. Xu Shaotang simply changes his clothes and calls Longjiang.