Li Yuanhong didn't expect that just after he had less than three meters inside, the fish in the back caught up again, and this time it was even more crazy. It turned out that Li Yuanhong had killed a golden Spinibarbus just now. The blood of the fish was scattered, which stimulated the fish and made the fish crazy.

Li Yuanhong was going to be in bad luck. Several fish bit Li Yuanhong's leg. Although they didn't bite it, the fish teeth had already pierced Li Yuanhong's skin. The slight tingling reminded Li Yuanhong that he was about to be dismembered by the fish school.

Li Yuanhong quickly turned around and chopped off several small fish with a dagger. However, more fish swarmed in. Helpless, Li Yuanhong could only step up to wave the dagger and kill the small fish one by one. However, the more bloody atmosphere attracted more fish and made the fish more crazy.

What's more, Li Yuanhong has a bad discovery. When a dagger can be easily swung on the ground, in the water, every time it is waved, it will have to pay several times more strength than on the ground, and the speed has also become much slower. Many small fish often get into Li Yuanhong's defensive space and give him a few bites, which makes Li Yuanhong more concerned about this and lose the other.

Fortunately, some of the fish were attracted by the fish killed by Li Yuanhong. In front of Li Yuanhong, these fish tore at the dead fish carcasses, as if to tell Li Yuanhong that the next thing to be eaten is you.

Li Yuanhong knew that it would be impossible to go on like this, even if he was more powerful. After all, it was underwater, and his oxygen would be consumed sooner or later. Moreover, once the fish bit the oxygen pipe behind him, he would tell him in advance.

So Li Yuanhong quickly filtered his weapons to see which weapons could help him.

Robots must not be able to do so. These things have one feature: they are afraid of water. After all, they are land combat weapons, and they are not waterproof.

Although hand grenades and lightning can be used, the water in the lake is conductive. When you throw grenades and explode fish, you can't run away. This is definitely not possible. Flash grenades don't work for fish, pass. Fire grenades? It's in the water. It's strange that the flame can burn.

After thinking about it, all of a sudden, Li Yuanhong thinks of the chili grenade he asked Dr. Bai to make for himself. It should work. The reason why fish are so sensitive to the smell of blood is that it has a good sense of smell, which is both advantages and disadvantages. A slightly stronger pungent smell may kill them.

So Li Yuanhong quickly took out a grenade from the space, pulled it on a small hook on his waist, pulled the ring of the grenade, and then threw it into the fish.

With a faint explosion, a thick red spread in the water. Of course, this red is not blood, but pepper powder diffuses in the water.

The fish that had just rushed to Li Yuanhong immediately became confused. The fish seemed to have been stimulated by something and fled away. They were afraid that the fish surrounded by the red liquid would turn their belly up and turn white.

Seeing that the chili grenade was useful, Li Yuanhong immediately pulled another grenade and threw it into the fish school, so that the chili powder completely sealed the hole, so that the fish did not dare to go near the cave.

Of course, Li Yuanhong didn't throw in too much. After all, the mutant pepper has not been cultivated successfully. The pepper grenade in Li Yuanhong's hand is one less. Now the pepper water has sealed the hole, and there is no need for Li Yuanhong to waste more chili grenades.

After dispersing these mutated piranhas, Li Yuanhong didn't expect that one day he would be chased by these small fish, and there was no way to escape. There were also a few small fish stung by chili peppers, constantly twitching on the ground. Without saying a word, Li Yuanhong collected these fish into the space and charged a little interest.

Getting rid of the little fish, Li Yuanhong went all the way to the deep of the cave. He didn't know how the tomb was built and how the ancients buried the tomb under the water. At that time, there was no water pump, which could drain the water from the lake. Moreover, it is understood that the lake is a spring water Hu, and the spring water gushes continuously from the ground. What kind of pumping machine can pump the water out of the lake ?

Li Yuanhong swam for about ten minutes before he reached the end of the passage. There was an upward passage here, so Li Yuanhong went upstream. Soon, he came to a lake. The exit here was connected with an underground hall. Here Li Yuanhong heard the sound of running water. Li Yuanhong went ashore, took off his diving suit, put it into the space, and then took out a high-power flashlight to Li Yuanhong found that there was a huge hole, and the sound of the water was the water flowing from the lake. I don't know where it went. Anyway, the water overflowing from the lake could not submerge the underground cavity. No matter how much water, it was absorbed by the underground river and then flowed to unknown places.

Around the cave, Li Yuanhong found a lot of artificial signs. It was obvious that the underground cave was not formed naturally, or in other words, it was not purely natural, but was artificially built. In particular, there were traces of man-made digging in the underground river.

Li Yuanhong listened carefully. There was a stronger sound under the drainage channel. Obviously, the drainage channel connected with the underground river below. It seems that the ancients did not know how to find the underground water channel and used the underground water channel as a drainage pipe to ensure that the underground tomb would not be submerged by the overflow lake water.Li Yuanhong looked around and finally found a stone gate not far from the water outlet. When Li Yuanhong came to the stone gate, he found that the stone gate was more than five meters high and three meters wide. If he had been himself before the end of the world, he would not have been able to push it. But now, Li Yuanhong can try it.

So Li Yuanhong's feet wrestled, and his shoulder leaned against the stone gate. With a "ah" sound, his cheeks turned red, but the stone gate did not move.

"Why? No, why can't the door move? " Li Yuanhong stood up in embarrassment. Fortunately, there was no one else around. Otherwise, he would have to be ridiculed.

Li Yuanhong didn't compete with the gate in this respect. So Li Yuanhong looked around carefully along the gate. The ancient people didn't say that they had stolen tombs. Many important people's tombs can be freely accessed to facilitate the worship of later generations. The gate is so large that it can also play a role in this respect.

So Li Yuanhong looked around and finally saw a winch in a humble place. The winch is made of pure stone, but the wood used to make the handle on the winch is rusty.

Li Yuanhong has a lot of miscellaneous things in his space. He can find a thicker iron bar and solve this problem.

Li Yuanhong stirred the winch very hard. The winch thousands of years ago was still active. He heard the winch creak. Slowly, the winch was twisted, and soon the sound of the chain came from below. Li Yuanhong did not know what kind of chain it was. You know, in ancient times, there was no iron ware. Was it copper chain?

Li Yuanhong didn't get tangled for a long time. Just as Li Yuanhong was twisting the winch, the closed door opened slowly. To Li Yuanhong's embarrassment, the door opened outwards. No wonder that the door was still and he had made a mistake in the direction of opening the door.

In fact, Li Yuanhong is not to blame. There is no copper ring or guard outside the gate. He can't pull it.

As the gate opened, when the gate reached its maximum, the winch "click" to the end.

Li Yuanhong then let go and found that the winch did not go back automatically, so he walked to the stone gate at ease.

When he entered the gate, Li Yuanhong found a corridor, which extended one by one. Moreover, the stone paving the road was also a kind of huge stone. The road that had not been stepped into for thousands of years did not appear much damage. Moreover, Li Yuanhong saw many stone lamps on both sides of the Road, which surprised Li Yuanhong Li Yuanhong once heard that there was an immortal lamp in the tomb of the ancients, which was extracted from the oil of mermaid. Li Yuanhong had seen this kind of lamp in the mausoleum of the first emperor of Qin Dynasty. Here, Li Yuanhong saw this kind of lamp again. Moreover, it is not only one lamp, but two rows. Is it that the ancient Mermaid oil, which is immortal for thousands of years, is so worthless?

Along the Yonglu Road, Li Yuanhong did not see the legendary anti-theft measures, but Li Yuanhong still did not dare to be careless. Li Yuanhong came to a stone house along the Yonglu road. It was not so much a house as a temple. In front of the temple, there was a huge copper tripod. The shape of the tripod was very strange. Li Yuanhong had seen the square tripod before, and this one was also a square tripod. But the patterns on the square tripod were not cloud symbols or other auspicious patterns, but were full of all kinds of horrible ghost face symbols Besides, there are two tripod ears on each side of the square tripod. These two ears are in the shape of horrible ghosts. The big mouth makes up the earrings of Ding ears.

"It's a terrible tripod. I think this is the ghost tripod. It's very lifelike. It's really frightening to put it in the dark underground." Li Yuanhong sighed.

Li Yuanhong walked around the tripod to the huge temple.

This temple is a traditional temple, not a Buddhist temple style from India. The temple is very simple. There are no complicated carved beams, no golden bricks and yellow tiles. There are only huge stones and pillars. I don't know how the ancients transported these huge stones here, and then how to build such a huge temple with these stones.

Li Yuanhong can only lament the wisdom of the ancients. As time goes on, many ancient wisdom has disappeared in the long history. However, Li Yuanhong is not an archaeologist and does not care about the wisdom of the ancients. He just wants to get the dragon sword, so he strides to the temple gate.

As a result, here is a huge stone gate, blocking the way.

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