"Is it a sound?" The old man's eyes lit up. "Those monsters move by sound. Is there any sound here? Let's listen."
Zuo Qingcang nodded. The two stopped talking and held their breath, trying their best to listen to their surroundings to see if they could hear anything.
However, after the two stopped talking, they could not hear anything in the dark passage except for the luminous pearls that were still quietly emitting fluorescent light and the sound of their breathing.
The old man frowned. "Could it be that it's not here?"
Zuo Qingcang guessed, "The construction of this maze is so complicated. It's impossible that the designer did not consider the problem of sound.
The problem of the sound is probably caused by the outside world. Just like the mouse that escaped from the robber's hole, it's probably a natural change similar to an earthquake. Which part of this maze leads to the outside world?
Therefore, this sound is probably only heard in a certain part of the maze. "
The old man nodded. "Then it seems that we still have to explore this maze. Fortunately, the food is enough for 70 days. It should be enough for such a long time. "
Although this was the conclusion, both the old man and Zuo Qingcang were a little uncertain. However, since there was no other way, the two continued to walk down the passage, trying to find the sound they speculated about.
While exploring the maze, Zuo Qingcang would carve a number with a dagger on the right side of the entrance passage before entering each stone room. The number would start counting from 1. Then, they would choose the passage in the middle every time.
The purpose of this was that he wanted them to keep walking. Logically speaking, as long as the mark was not removed and the maze was not endless, they would eventually come across a stone room that they had carved a mark on. After that, they could slowly deduce the general situation of the maze according to the rules of the passage on the left side of the marked entrance every time.
This was the only way without knowing the principle of the maze. It also increased the time it took for the two of them to check the surrounding marks every time they entered the stone room.
Once again, they came to a stone room. The old man and Zuo Qingcang checked each other, but still did not find the mark.
The old man said dejectedly, "Is it really useful to make this mark? Could it be that our markings were erased by something? "
Zuo Qingcang's face was expressionless as he said faintly, "I've thought about it carefully, and the possibility of this is very small. One is because we have just tested it. We have observed it for half an hour, and the mark does not disappear.
Secondly, if it was going to disappear, it would only disappear after we left. If the reason why we haven't encountered any markings so far is because the markings were erased before we entered the room, leaving no trace behind.
Then, the other party must have the ability to perfectly restore the ground and walls. Secondly, they must be able to detect our movements and arrange the rooms intelligently. I don't know if it's a spatial or mechanical method to arrange the rooms. Only after confirming that the mark on the room has been erased can they let us in. "
Zuo Qingcang said a lot, but in fact, he meant one thing. "Although this ancient tomb is very powerful, we can't think too highly of the ancient people. I'm afraid that the technology I just mentioned is beyond what they could achieve. If they had this kind of technology, they wouldn't have to go through so much trouble. They could just use the detection method and the recovery ability to create mechanical mechanisms and kill whoever comes. "
In the following time, the two of them kept wandering from one stone room to another. According to Zuo Qingcang's own calculations, they spent about 14 hours, and the number of markings on the room had reached 204. But until now, they still hadn't encountered any room that had been marked.
At this time, the two of them were sitting in a new stone room to rest. Compared to the old man's dejection, Zuo Qingcang was sitting cross-legged on the ground. Even his breathing and heartbeat didn't seem to change much. Since the beginning of the exploration, he had been trying to reduce his physical consumption as much as possible.
Because in this kind of maze, and in a situation where food was limited, it was obviously very important to conserve physical strength and energy. Not only could it allow him to deal with possible emergencies at any time, but it could also reduce unnecessary food consumption.
The old man next to him touched his stomach and said, "I'm starving. Give me something to eat." The thing the old man was talking about was naturally the dwarf spirit.
Hearing the old man's request, Zuo Qingcang didn't move. Instead, he said, "It's too early. You feel hungry now because you're too anxious. Plus, today's distribution of physical strength is unreasonable. You're far from reaching your limit.
We don't know how long we'll have to stay here, and the food is limited. So, I'll personally distribute the food for you. This food is the guarantee of our survival, so we can't waste it. "
Although the old man didn't want to starve, he knew that Zuo Qingcang was right. He could only agree helplessly.
Zuo Qingcang looked at his uncomfortable expression and said, "You sleep first. I'll keep watch for the first half of the night, and you'll keep watch for the second half."
Although they said so, in fact, the two of them didn't know whether it was night or day outside the ancient tomb. They just slept to replenish their energy. Moreover, Zuo Qingcang kept watch for about five hours in the first half of the night. He only slept for about four hours in the second half of the night to replenish his energy a little. It also ensured that he could wake up if he encountered any danger.
After all, they were still in the ancient tomb. It was impossible for him to sleep peacefully without being alert. However, Zuo Qingcang had been tested for a long time. Even if he only slept for four or five hours a day, he could still last for more than a month.
However, when the old man was keeping watch for Zuo Qingcang, he didn't have his guard up and slept very soundly.
During the night watch, Zuo Qingcang looked at the only light source in the stone room, which was the everlasting lamp on the wall. In his mind, he once again filtered the clues of the stone room maze one by one. He always felt that something important seemed to be missing.
Just like that, they didn't speak for the whole night. After the two of them slept well, they continued to explore.
Just like that, three days passed in a row. The number of rooms that the two of them had explored had already reached 634. However, they still hadn't encountered a single stone room that had been marked. In the three days, only the old man had eaten the corpse of a dwarf spirit. Their food seemed to be sufficient. However, the reality was even worse.
The old man's eyes kept darting around as he walked in the tunnel. He seemed to be having difficulty concentrating. His arms would shake from time to time and his anxious gaze revealed that his mental state was somewhat unstable.
On the other hand, Zuo Qingcang still looked the same as he did three days ago. However, his slightly accelerated breathing revealed that he wasn't completely emotionless.
This was something that couldn't be helped. For three consecutive days, all they saw were exactly the same stone rooms. It was as if there was no end. They even used ropes, daggers, and night pearls to do some other tests. However, they still couldn't find any pattern.
In the end, other than knowing to walk in the tunnel in the middle, they had almost lost all sense of direction and space.
'This kind of environment that's exactly the same brings too much mental pressure. I can probably hold on for another month or so.' Zuo Qingcang turned to look at the old man behind him. 'But if he continues like this, he might have a mental breakdown.'
After thinking for a while, Zuo Qingcang suddenly stopped in the next stone room.
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