Deeper into the cave, the line of sight is wider, and there is a cool breeze blowing, and even closer, the sound of water flow more intense than before came out, like a flood, gradually approaching the deep hole, and the people here have become fewer.

The scene in front of them is unforgettable, go forward through a hole, than the previous cave on the huge pit is not known how many times in front of Liu Yuan and the three of them, after the cave, also reached the end, in front of them is a small cliff, and the pit is at their feet, there is a rope ladder to go down, about four or five hundred meters deep, and in the middle of the pit, is a huge whirlpool, the underground river water flows from the upstream, through the whirlpool to divide a small stream of water, continue to flow down, and on both sides of the whirlpool are two flat open spaces, Above the clearing, there were faintly several humanoid people walking there.

What surprised Liu Yuan the most was that on the other side of the pit, that is, directly opposite their location, with the stone wall as the painting, two huge ancient characters were engraved majestically, majestic and penetrating the heart.

", I said why is the formation so big, it turns out that there is such a place under this ground, it's too awesome!" Zhang Erhe glared at him and said in a distracted manner, even the person who had seen No. 7 couldn't help but be excited.

"It's indeed a miracle, Sword Pavilion? Good name! Liu Yuan couldn't help but say, his eyes stared at the two ancient characters engraved on the opposite mountain wall, and he didn't care about the whirlpool in the pit.

No. 7 was obviously stunned, turned his head, and asked suspiciously: "Do you know those two words?" This sentence was inexplicable, and Zhang Erhe couldn't help but turn around, put his hand on Liu Yuan's shoulder, and brag.

"Aren't you talking nonsense? My family Yuan'er is not an ordinary person, he knows astronomy, geography, omniscience, omnipotent, China has been up and down for 5,000 years, how can there be anything he doesn't know? After Zhang Erhe finished speaking, he shook his hair, and before the two of them could react, he continued: "Let's say okay first, I'm his agent, and I have to give you a few million for the reward for helping you this time, right?" Hey, what's that look in your eyes? ”

After listening to Zhang Erhe's nonsense, even Liu Yuan pouted with disdain, but in the end he couldn't help laughing, and No. 7 was more direct, turned his head, smiled mockingly, and stopped looking at him.

"There's no one else here, Seven, can you tell me who recommended me?" Liu Yuan pushed Zhang Erhe and stood on the edge of the cliff, his expression becoming serious in an instant.

"I don't know, I didn't know you existed before, but now, I'm curious about you." No. 7 said lightly, looking at Liu Yuan, there was loneliness in his expression, but it was more of an expectation.

Liu Yuan didn't ask again, turned his head, stared at the two huge inscriptions on the cliff, and said: "These two words, it is Huaxia, which appeared earlier than the oracle bone inscription, however, I see the trend of these two words, but it is not the finished product of BC, there is the style of the Sui and Tang dynasties, the three inscriptions on the right, the gesture is sharp, there is a sense of invincibility, and it does not lose its calmness, it should be a sword word, and the lettering on the left is much easier to recognize, the dove has a nest, the sword has a pavilion, the five strokes trend, it is also evenly circled, and the sword pavilion is its name." Liu Yuan said in his ears, but it was like preaching.

Zhang Erhe was also stunned when he looked at those two words, suddenly turned around suddenly, gently pushed Liu Yuan, there was a trace of panic on his expression, and whispered: "That, there's something on it!" ”

The two immediately turned their heads and looked closely at the direction of the lettering, shocked in their hearts, but they found nothing, the lettering was still lettering, although they were far apart, they saw it really.

"Uncle Zhang, why are you so surprised?" Liu Yuan looked at it for a long time, but found nothing, and No. 7 was the same, looking at Zhang Erhe in disbelief, looking at his expression, it didn't seem to be lying.

"Okay, let's not spend it here, Professor Gao and they are all down there, go find them first." After being silent for a while, No. 7 said, Zhang Erhe was much more honest at this time, and he didn't talk any more, which couldn't help but make No. 7 a little depressed, could it be that it was just Zhang Erhe's prank just now?

Liu Yuan gently knocked on the back of Zhang Erhe's hand, glared at him, and kept up with the footsteps of No. 7, Zhang Erhe couldn't help but look back at the two huge letterings, his brows were tightly locked, in the hole when he came, he also had that strange feeling, and just now in the direction of the lettering, the feeling of being targeted by something hit his heart again, and it was really uncomfortable. However, looking at the performance of No. 7 and Liu Yuan, it seems that they are not aware of anything, which is a little weird.

Going down the rope ladder, there is still some dizziness in this huge pit, fortunately, a few people are not afraid of heights, plus there are enough lights here, which also makes people feel at ease, but these lighting projects are quite huge, the rumbling sound of the whirlpool, coupled with the irradiation of the surrounding lights, makes people feel that they have come to the mythical world, and the two huge inscriptions on the opposite side, like two giant eyes, look down on all beings coldly, maybe this is the mystery of the underground world, Liu Yuan is very curious now, This kind of underground engineering will definitely not be simple, but what interests him the most are the things that attract this group of people, and the number seven also said that some things found here made them sure that this is a tomb, but what do those two huge inscriptions mean?

Sword Pavilion? This name doesn't sound like the name of a tomb, and suddenly, Liu Yuan seemed to think of something, and he was in mid-air, but he stopped moving, and Zhang Erhe accidentally stepped on Liu Yuan's head.

"Yuan'er? Why are you stunned, if you fall, you will die. Zhang Erhe was startled, hurriedly climbed up two steps, and said angrily, the kick just now scared him enough, but Liu Yuan was unaware, turned his head away, and stared directly at the two huge inscriptions.

Ancient Ring Sword, Ancient Sword Conference, Sword Pavilion, in the past month, it seems that everything is related to things like swords, could this be a signal in itself? Thinking of this, Liu Yuan seemed to have some clues, turned around, and said to No. Seven under him: "No. Seven, have you been up to the place where the words are engraved?" ”

No. 7 was obviously stunned, stopped climbing, looked in the direction of the inscription, and said, "This, not at the moment." "Just kidding, the inscription is at the top of the pit, than the inscription, what makes them more concerned is the huge whirlpool below, before the whirlpool is discovered, no one will take the initiative to study the two ancient characters, after all, too high is one of them, the cost of manpower, material resources will not be less.

"Uncle Zhang, are you sure you found it in the engraving before?" Liu Yuan turned to Zhang Erhe and said, although he couldn't see anything, but Zhang Erhe wouldn't joke about this kind of thing, when he was in the mine outside, Zhang Erhe also told him about it, which had to make him pay attention.