Xu Ran had long noticed that there was some oxidation there, but he didn't know what those markers represented.

Now that Master Lian had said this, he did not hesitate, and after the black girl was the first to get through the crack in the door, he followed.

Rumble!

He had only then slipped through the crack in the door, and suddenly half of the man's head had fallen, and there was a violent vibration.

"Hurry, hurry!"

Under the hurried urging of Master Lian, the people behind him slipped through the crack in the door one after another, but Master Lian was delayed for about a few seconds.

I don't know what Master Lian saw, he hesitated, but he suddenly returned and quickly grabbed a bead-like thing that fell from the human face, and then quickly turned around.

"Lao Lian, hurry!"

Luo Hongtao saw that Master Lian hesitated, and seeing that the human face was about to completely collapse and block this exit, Luo Hongtao was very anxious.

"What did Master Lian do when he was delayed for a few seconds just now?"

Huo Sifar was a little puzzled, he felt that Master Lian should have seen something, and took this opportunity to quietly take it.

But this behavior also brought danger to him.

Rumble!

At this moment, there was a violent vibration from the dark side, and no one could see whether Master Lian had come out or not, but the door had been completely blocked by the collapsed boulder and human face.

"Old ......"

Luo Hongtao thought that Master Lian had an accident and was buried underneath, and couldn't help but cry out sadly.

"I'm here, help me ......"

At this time, Master Lian's voice suddenly sounded.

Luo Hongtao hurriedly took a flashlight to look at the source of the sound, and saw that Master Lian actually drilled over, but his calf was pressed by a stone and couldn't be taken out.

When Xu Ran saw it, he immediately walked over to help lift the stone, and Luo Hongtao immediately pulled out Master Lian's leg.

"Lao Lian, how are you?"

"It's okay, the leg is not broken!"

Master Lian saw that everyone was looking at his legs, he knew that he couldn't support everyone's hind legs in such a situation, and he had selfishly taken something to cause such a thing, so even if he endured the pain, he had to pretend to be fine.

Huo Sifar stared at Master Lian, but without saying anything, he turned his head and walked behind the black chick who was exploring the path in front.

However, Luo Hongtao saw that Master Lian's leg was seriously injured, so he and An Moko supported him to keep up with the team.

After coming through the crack in the door under the portrait of the person, Xu Ran could feel a chill, and the temperature here suddenly dropped a lot.

"It's so cold here, and there are ice chips, I guess there's groundwater flowing through it!"

Looking at the ice chips on the left and right sides of the cave, Master Lian's face showed a look of surprise, which meant that the path they had chosen was correct.

As the group walked along the tunnel for about fifty meters, half of it was blocked by the exorcism of two rusty mechanical monsters.

And when you get here, you can feel a breath of moisture, and at the same time, you can find some plants with very tenacious vitality.

However, as the group passed past the rusty mechanical monster that blocked half of the way and reached the end of the passage, they saw a wide space.

This space is like a very large cavern, and in the middle is an underground lake, there is water, but not much, and there are some dilapidated man-made facilities around the lake, which have fallen into disrepair.

However, it is strange that there is a trail around the circle of the underground lake, but this one is a loop, and there is no way to find a possible passage to any place.

The black chick walked around several times, but found nothing suspicious, as if it was an enclosed space, without any passage to the outside world.

Luo Hongtao thought of the text annotation on the five-square diagram on the handkerchief printed by Huo Sifar in the ancient tower, and couldn't help but say: "Baptize the water of the holy lake, so that the soul can return to the cradle of God, that seems to be the entrance, but what we are looking for now is the exit......

Even the master shook his head: "That's not what I said, the spatial orientation here seems to be reversed, I arranged here according to the five elements and found water, he has a close connection with the ancient tower, and the ancient tower represents water, we walked here and found this underground lake, it means that our line is correct!"

"In that case, will the way out be under this lake?"

"It's possible!"

The black chick said, "Then I'll go down and have a look!"

"Be careful, and if there's any strange creatures or other creatures in the lake, come back immediately!"

After Phosfar's admonition, the black chick changed into a wetsuit and went into the water.

In fact, the lake is not deep, and you can basically see the bottom after entering the water, but if you look at it from the outside, you can't see anything clearly, and only the black girl who has entered the water has this feeling.

However, everyone waited for about ten minutes, but they never saw the black girl turn around, and An Moan couldn't help but be a little worried: "I haven't come back for so long, will there be any danger?"

"Probably not, the water of this lake is clear and clean, it doesn't seem to have the slightest impurities, as the so-called water is clear, there are no fish, and there should be no dangerous creatures in it!"

Crash!

As he was talking, a splash suddenly appeared on the surface of the lake, and then he saw the black girl burrowing out of the water.

After taking a heavy breath, the black girl didn't go ashore, so she said: "Xu Ran, I found a very strange place at the bottom of the lake, it was like a mirror, when I stretched out my hand, I couldn't feel my hand, this is very magical......"

Space!

Listening to such a simple description of the black girl, such a thought immediately popped up in Xu Ran's heart.

"Tina, are there any creatures at the bottom of the lake?"

"Oh, I have never encountered such a clean and unadulterated lake, there is nothing abnormal in it, I feel that I have defiled the holiness of this lake a little!"

Hearing that there was nothing in the lake, Huo Sifar didn't say anything more, so he prepared to change into a waterproof suit and went straight into the water.

"Since it's safe underwater, let's go down together, anyway, we can't find any way out outside, it's estimated that it's under the lake!"

Xu Ran also wanted to see the magical place that the black girl said in person, so he also took out a waterproof suit from his backpack and put it on his body, and went into the water.

After entering the water, I felt that the water temperature was very suitable, and it made people feel very comfortable, as if there was an indescribable joy welling up in my heart, and all my troubles could be left behind, as if the lake water had a kind of cleansing effect.

Hey, how can the Space Key absorb the water here?

As Xu Ran continued to dive, he felt that the space key on his body seemed to react to the lake, as if he was absorbing a strange energy contained in the lake.