"Is it a voice?" The old man's eyes lit up: "Those corpse monsters rely on sound to act, is there any sound here, let's listen to it." ”

Zuo Qingcang nodded, and the two no longer communicated, but held their breath and listened around as much as they could, to see if they could hear any sounds.

But after the two stopped talking, in the dark passage, except for the night pearl that was still quietly emitting fluorescence, and the breathing sound of the two in their ears, nothing could be heard.

The old man frowned: "Isn't it here?" ”

Zuo Qingcang guessed: "This labyrinth is so complicated to build, it is absolutely impossible for the original designer not to consider the problem of sound.

This sound problem is likely to be caused by the outside world. Like the rat that escaped from the thief's hole, it is likely that it is a natural variation similar to an earthquake, and there is a place in this maze that leads to the outside world.

So this sound, most likely, can only be heard in a certain part of the labyrinth. ”

The old man nodded: "Then it seems that we still have to break through this maze." Fortunately, the food is still enough for 7o days, which should be enough for such a long time. ”

Although he judged it like this, whether it was the old man or Zuo Qingcang, he was a little bottomless in his heart. But with no other option, the two continued down the passage, trying to find the guessed voice.

While exploring the labyrinth, Zuo Qingcang would engrave a number with a dagger on the right hand side of the entrance passage before entering a stone chamber, and the number would start counting from 1. And then every time they choose the channel, it's the middle channel.

This purpose is that if he wants them to keep going, logically speaking, as long as the markers are not removed, the labyrinth is not endless, and there will always be a stone chamber carved by them. After that, you can slowly deduce the general outline of the maze according to the rules that mark the left-hand passage of the entrance each time.

This is a way to do without knowing any maze principle. It also increases the time consumption of two people looking at the surrounding markers every time they enter the stone chamber.

Coming to a stone room again, the old man and Zuo Qingcang checked each other, but there was still no current mark.

The old man said dejectedly: "Is it really useful to make this mark?" Something has erased our mark, right? ”

Zuo Qingcang couldn't see any expression on his face, but said lightly: "I thought about it carefully, this possibility is very small. One is because we have just tested it, we observed for half an hour, and this mark does not disappear.

The second is that if it really disappears, it will disappear after we are gone. If the reason we haven't encountered a mark so far is because the mark was erased before entering that room, leaving no trace.

Then the other party must have the ability to perfectly restore the floor and walls, and secondly, be able to detect our movements, and intelligently arrange the room arrangement, arrange the room with means that do not know whether it is a space or a mechanism, and confirm the room where the mark has been removed, so that we can enter. ”

Zuo Qingcang said a lot, in fact, it was one meaning: "Although this ancient tomb is very powerful, we can't think too much of the ancients, the technical means I just talked about, I'm afraid they have surpassed the technology they can achieve." And if they have this kind of technology, they don't have to be so troublesome, they can directly use the monitoring means to cooperate with the recovery ability to create mechanisms, and they will kill people when they come. ”

In the following time, the two of them continued to wander through one stone room after another, and according to Zuo Qingcang's own count, it took them about fourteen hours, and the number of marks in the room had reached two hundred and four. But until now, they have not encountered any marked rooms.

At this time, the two of them were sitting in a new stone room resting. Compared with the old man's frustration, Zuo Qingcang crossed his legs on the ground, even his breathing, and heartbeat did not seem to have changed dramatically. From the beginning of his exploration, he has been trying to reduce the consumption of his body.

Because in this kind of labyrinth, when food is still limited, it is obviously very important to preserve his body and energy, not only to allow him to cope with possible sudden situations at any time, but also to reduce unnecessary food consumption.

The old man on the side touched his stomach and said, "I'm starving, give me something to eat." "The thing that the old man said was naturally a dwarf spirit.

Hearing the old man's request, Zuo Qingcang didn't move, but said: "It's too early, you feel hungry now, just because you are too anxious, plus today's body distribution is unreasonable." It's not even close to your limits.

We don't know how long we're going to be here, and the food is limited. So the rest of the food was distributed by me personally. This food is the guarantee of our survival, and there is no waste in the slightest. ”

Although the old man didn't want to starve, he also knew that Zuo Qingcang was right, so he could only reluctantly agree.

Zuo Qingcang looked at his uncomfortable appearance and said, "You go to sleep first, then I will keep watch for the first half of the night, and you will keep watch for the second half of the night." ”

Although they said so, in fact, the two of them didn't know whether it was night or day outside the ancient tomb. They're just sleeping to replenish their energy. Moreover, Zuo Qingcang kept watch for about five hours in the first half of the night, and he himself only pretended to sleep for about four hours in the second half of the night, just to replenish his energy a little, and to ensure that he could wake up in any danger.

After all, he was still in the ancient tomb in front of him, and it was impossible for him to sleep peacefully without warning. However, Zuo Qingcang himself has been tested for a long time, and he can last for a month just by sleeping for four or five hours a day like this.

However, when the old man was keeping vigil in Zuo Qingcang, he was unsuspecting and slept very deadly.

During the vigil, Zuo Qingcang looked at the only light source in the stone chamber, that is, the everlasting lamp on the wall, and once again filtered the clues of the stone chamber labyrinth in his mind, and he always felt that something important had been missed.

After the two of them slept well, they began to continue their exploration.

In this way, three days have passed, and the rooms explored by the two have been marked to 634, but they still have not encountered any stone rooms that have been marked. For three days, only the old man had eaten the corpse of a dwarf, and their food seemed to be sufficient. But the actual situation is even more trough.

I saw the old man walking in the passage, his eyes were always moving quickly, and he seemed to be a little difficult to concentrate, and his arms that shook once or twice from time to time and his anxious eyes revealed that his mental state was a little unstable.

Zuo Qingcang on the other side still looked the same as three days ago, but the slight breathing also revealed that he was not ruthless.

This is also a helpless thing, for three consecutive days, all the stone chambers that are exactly the same as the eye can see, as if there is no end. They even did some other tests with ropes, daggers, and night pearls, but they couldn't find any patterns.

By the end of the day, they had lost almost all sense of direction and space, except for knowing how to go to the middle passage.

The mental stress of this identical environment was so great that I could probably last for about a month. Zuo Qingcang turned his head and glanced at the old man behind him: "But if he continues like this, he may have a mental breakdown." ’

After thinking about it, in the next new stone room, Zuo Qingcang suddenly stopped.

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