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Standing in the empty hall, Chen Yin was a little confused and didn't know what to do next.

“…… Holy Maiden, how can you open this ruin? ”

"I don't know." Angel shook her head.

"Are there any clues in the materials you know?" Chen Yin asked unrelentingly.

"Actually, I don't know much about prehistoric civilizations, but I still heard from Christian about these things about the gold relics." Angel shook his head.

When Chen Yin's gaze turned to the uncle and aunt, before he could speak, the aunt spoke first: "Don't look at us, with our level, we can't touch such secrets." ”

"It seems that I am on my own." Chen Yin shook his head and stared at the roof of the shed cluelessly.

After a few minutes, Cheng, who had been pondering, suddenly froze.

"You say, how did the witch get there?" Chen Yin looked thoughtfully at the node found by the witch on the wall in front of him.

Lancelot and the others, you look at me, I look at you, without a clue. Also, what secrets can be hidden in the hall that can be seen at the bottom at a glance? There is nothing conspicuous other than the disc-shaped energy supply machine.

"Is there something greasy on the floor?" Chen Yin scratched his head, squatted down and carefully observed the large stone paved ground, and when he knocked it with his hand, he didn't even make a sound, obviously the stone ground was not empty underneath.

However, Chen Yin did not gain nothing, when he touched the ground with his hands, he found that the stone ground here was not as smooth as it looked, and the surface had extremely fine ripple-like dark lines.

"It's ...... Water? Chen Yin was a little unsure.

"What water?" Aunt Ji Ya didn't know what Chen Yin meant.

"It looks like there's a stream of water passing through here." Chen Yin didn't explain in too much detail, groping the ground and slowly moving along the dark lines of the water flow on the ground.

Just listening to the sound of the waves in your ears tells that there must be a lot of sea water somewhere around here. And the marks on the ground indicate that the sea water must have flowed through this hall at one time.

And now, not to mention the rushing water, there is not even a trace of moisture in the air. Since there was water and it came and went, it should be possible to find traces of it by following the traces of the flow.

From this point of view, when this hall is filled with seawater, there should not be any big waves, and there are no undercurrents, which is why the marks on the ground are so difficult to discern.

Follow the intermittent dark patterns on the rocky floor until you reach the center of the hall, where the "spiritual voltage converter" was placed before. Because he was curious about the strange device, Chen Yin didn't pay attention to the situation on the ground after picking it up, and everyone else's attention was on the disc, and the details on the ground were a little dark.

But this time, I touched the dark lines on the ground and just found something strange.

In order to see the cattiness on his face clearly, Chen Yin lit a torch again. Although the hazy white light on the ceiling could make Chen Yin and them barely see each other's appearances clearly, the details on the ground were very clear by such dim light.

However, under the light of the torch, Chen Yin lowered his body with the torch and carefully observed it from different angles around the place where the plate had been placed before.

Under the light of the torches, the secrets of the earth were gradually exposed to everyone.

I saw a series of transfiguration patterns similar to Ω (omega) shapes nested in each other, which was very delicate and complex.

"Is this a chain lock?" Angel seems to have seen something like this.

"You've seen it?" Chen Yin asked.

"I've only seen drawings." Angel shook her head.

Aunt Ji Ya suddenly said: "I have seen this kind of similar lock, but I can tell you for sure that this should not be difficult. ”

"So what are you waiting for?" Chen Yin hurriedly made a gesture of please.

"I won't!" Aunt Ji Ya said without hesitation.

“…… Thank you, what you said was very helpful. Chen Yin smiled and shook his head, it seems that Aunt Ji Ya should have no way to do this, otherwise she would not be so arrogant.

"I'll do it."

Just when Chen Yin was at a loss, Lancelot stepped forward.

"You've seen anything like this before?"

"Well, I've seen something like this in the house of a minor nobleman before, and he used it to store his more valuable items. For the uninitiated, each serial lasso is an unsolvable puzzle. Lancelot replied.

"Can you untie it, then?"

"Hmm...... Not a big problem. ”

Lancelot crouched on the ground and studied it for a moment, gently swinging a few half-rings to form a complete circle.

"That's it?" Chen Yin was stunned.

"Uh...... It's like it's going to be pressed......" said Lancelot, and he pressed it to the center of the ring.

"Rumble ......"

As the center of the circle recessed, the chain lasso began to slowly deform, and with its deformation, Chen Yin only felt that the ground under his feet was slowly rising, and the entire hall began to tremble regularly.

"Whoa...... Whoa......"

The sound of the waves that had been surrounding his ears became louder and clearer, as if it was just a momentary shake, and when Chen Yin noticed the ground again, he suddenly found that he couldn't see the stone floor anymore, and a large area of gray sea water filled the entire hall.

Except for the place that had just risen under Chen Yin's feet, the entire hall had become a Zeguo, and only a few square meters under their feet still stood above the water.

Chen Yin was stunned to see the great changes around him, and it took a few minutes before he muttered, and he didn't know who he was asking: "Is this turned on?" ”

"Looks like it's going to be on." Angel nodded, "When I looked at those materials before, I always felt that the above description was a bit exaggerated, but when I saw this scene with my own eyes, I still felt that those people's words were too poor." ”

"You're talking about the Grey Orcs, right?"

"Uh...... Yes, most of the literature on prehistoric civilizations is a translation of manuscript documents from the Grey Orc shaman. Angel didn't know why Chen Yin suddenly asked this question.

"The language of the orcs is poor, and you can't expect every orc shaman to be a great writer." Chen Yin said with a smile.

“…… You're still in the mood for a joke. ”

Indeed, the environment that Chen Yin and the others are facing now is not optimistic, and after the entire hall was flooded, it actually began to fog here! A faint gray mist, rising from the water, reduces visibility to less than 10 meters with little effort.

"Looks like this must be some kind of puzzle designed." Aunt Jiya squatted down and stretched out a finger to touch the gray water.

"Wait!" Chen Yin grabbed Aunt Ji Ya.

"You have to try it, right?" Aunt Ji Ya didn't struggle, just looked at Chen Yin fixedly.

"I'll find a little prey and try it first." After Chen Yin stopped the aunt, he finally made her agree to wait for a while.

Chen Yin hurriedly took out the supply box, found a relatively fresh little beast corpse, and threw it far into the gray water.

"Thorny ......"

The gray water was not a good thing at first glance, and as Chen Yin expected, not long after the corpse of the little beast entered the water, it was corroded to the point that only a miserable white skeleton remained, and it sank to the bottom of the water after a little drifting.

"See!? Do you still dare to use your hands? Chen Yin was afraid for a while, "Be careful next time, don't be so ......"

Before Chen Yin finished speaking, their feet suddenly shook violently, and then the foothold under their feet, which was only a few square meters, suddenly began to rotate! Frightened, Chen Yin and the others hurriedly lowered their bodies, for fear of being thrown into the water next to them.

When the rotation gradually stopped, Chen Yin, who was dizzy, suddenly found that there was a small wooden boat next to this "island" at some point, floating in the rippling waves......

"What does this mean? Want us on board? Chen Yin looked at the small boat in a daze, this boat could just carry 5 people, and even the number of oars was on par with their number.

“…… The puzzle has moved on to the next step, and it seems that it is trying to find something in this fog? Angel frowned.

"It? What is it? Chen Yin asked.

"Well, the Golden Labyrinth itself is intelligent, and it will judge whether our actions in the labyrinth are legal or not......"

"This is also a record for gray orcs?"

"No, this is recorded in the manuscripts of His Majesty the Sage...... It took me a long time and a lot of money to get such a fragment. ”

"But it just happened to be used, and it's not bad." Chen Yin said a few casual words, and then jumped on the wooden boat.

After seeing Chen Yin go up, Lancelot and the others also sat up.

The fog seemed to be thicker, and Chen Yin, who was sitting in the bow of the boat, couldn't even see the face of Lancelot, who was sitting in the stern, a little clearly.

With this state of visibility, it is simply impossible to find anything in this thick fog. However, they finally left the "island" with trepidation and paddled into the depths of the mist......

The front is unknown, and the "island" behind has long since disappeared, and the rotation of the "island" before made everyone lose their sense of direction, plus there is no reference in the deep fog, so they quickly lost their way.

They didn't know exactly how long they were going to paddle through the fog, but the desperate silence and repetitive paddling was a tough test of will for everyone.

“…… How long do we have to row? Aunt Ji Ya was a little out of breath.

"I don't know, but it shouldn't be too long, right? After all, we've seen it before, this room is so big, as long as we move forward with the same will to move forward, sooner or later we can touch the wall. ”

Everyone sighed and accepted Chen Yin's statement.

Although Chen Yin didn't show it on the surface, in fact, Chen Yin was more anxious than anyone else, because Chen Yin had already secretly remembered the obsolescence when they were there, and now more than 30 minutes have passed since the start of the timer, a total of such a large distance, even if you climb, you should climb to the wall, right?

But in fact there are none.

They are completely lost in this limited "sea".

An hour......

Two hours......

Until the fourth hour, when everyone had given up rowing and sat quietly thinking about how to get out of this predicament, Chen Yin suddenly felt that the small wooden boat under his feet suddenly tilted.

"What's going on?"

Before Lancelot could answer, the boat carrying everyone suddenly capsized, and the group was thrown to the ground.

"Huh? Ground? Chen Yin was stunned.

That's right, I don't know when the gray water in the entire hall has completely receded, leaving only Chen Yin and the others lying on the ground.

"What's going on?" Chen Yin rolled over and got up.

"Look, boat!" Aunt Jiya pointed to the boat and said in surprise.

It seems that as the gray liquid disappears, the small boat that has accompanied Chen Yin and them for several hours is actually slowly "sublimating"! It didn't even take five minutes for the boat to be completely gone.

Eventually, the fog that permeated the entire hall had dissipated without a trace.

“…… I thought I was going to die in that misty sea. "Lancelot was also under a lot of pressure.

Chen Yin sat on the ground, and then the whole person walked backwards, tired: "I really didn't expect us to get lost in this kind of place, even in such a big place, it will actually ......"

"No......" Angel, who had been silent, suddenly spoke, "It's very likely that we weren't here just now......

"Not here......? What do you mean? Chen Yin was stunned.

"Well, how do you say that...... It's just a feeling. Angel shook her head.

"Anyway, it gives us another chance." Chen Yin sighed, "From this point of view, this relic is simply too human, it's like a game ......"

"Holy Maiden, why do you think those prehistoric civilizations built such ruins? Isn't it just to joke with us intruders who don't know how many years from now? ”

Chen Yin's question is not surprising, whether it is the "island", the boat, or even the "timeout" automatic restoration, these settings are not like defensive means at all, but like some kind of decryption game.

“…… I don't know, everything about prehistoric civilizations is mysterious, and until now we don't even know if they were humanoids or not. Angel also looked a little helpless.

"Alas, alas?" Chen Yin sat up violently, frowning and staring at the sky.

"What's wrong?" Aunt Jiya also looked in that direction, but she didn't see anything.

"I see...... That's so clever! Chen Yin stared at the sky and muttered to himself.

"Look, what's that?" Chen Yin pointed to the sky.

"Piezoelectric energy conversion device?"

"That's right, don't you wonder why it's here? Why do you have to use such a long wire to pull through? Can't you just put it on the node over there? ”

A series of questions made everyone fall into deep thought.

"The witch is really a genius...... "Chen Yin muttered as he looked at the small disk-shaped machine that was floating on it.

(To be continued.) )