As Xia Fan said, there are many carved murals on the cliff, depicting a group of aloof and arrogant super power soldiers. The soldiers are wearing armor and holding weapons, surrounded by two old men with halos on their heads.

"It's Canglong and Yueyin." Xia Fan said in a deep voice.

"Are you sure?" Chu Yan suddenly a Zheng, with a bit of surprise asked.

Xia Fan said: "in the fifth volume of the appendix to the annals of the universe, there are detailed descriptions of Canglong and Yueyin. According to legend, Canglong and Yueyin were the two strongest war groups before the universe entered the civilized society. Their strength was much stronger than today's super powers."

"The reason is that they have mastered a kind of divine power beyond today's combat system, Canglong and Yueyin, which can be called the invincible existence of the universe at that time. The cangyue universe is also named after these two major war groups."

"It's a pity that later, Canglong and Yueyin all disappeared for some reason."

As expected, Xia fan has been able to recite the annals of the universe since she entered the civilized society for a short time. Chu Yan envies and envies her crazy learning ability.

The so-called people are more popular than the dead, which is probably the case. If Xia fan only has the top-level super ability, the key is that he is good at learning and excellent in all subjects. This is a bit exaggerated.

Chu Yan looked at the communication terminal on her wrist and frowned: "there is no communication signal. I can't get in touch with the Bureau, and I can't call backup."

as like as two peas, he nodded. "Nothing," he said. "They are just like humans. They are not even like three superhuman powers. Follow me."

At the moment, Xia Mingyan is only six years old, but she seems to be older than her sister.

Obviously, this is not an accidental phenomenon, but the ancients used to dig by manpower, and later suffered from environmental erosion, which made it totally different. In those days, it should be a very open underground passage, which could accommodate three suspended cars passing side by side.

The road continues down to a depth of hundreds of kilometers below sea level.

The air has not become turbid, indicating that there should be some kind of ventilation facilities here. These facilities are still in operation even though they are old.

Finally, when Chu Yan's patience was about to reach the limit, the road finally reached the end, and in front of them was a Longmen gate.

The gate is made of thick alloy, and no one can open it by manpower alone. On the top of the gate, five luminous stones are installed. Three of them are lighted, and the other two may be broken and do not emit light.

There are sculptures on the broken dragon's gate and on both sides of the gate, depicting the shapes of Canglong and Yueyin, the two major prehistoric fighting groups and many super soldiers.

"It's kroy." Xia fan, with a smile, stepped forward and pushed the Dragon Gate with his hand. He jokingly relieved Chu Yan's tension and said, "this alloy is very valuable. If we can move it back, we will be rich."

Xia fan's voice just fell, so that they did not expect strange things actually happened, I do not know that tens of thousands of tons of Longmen gate, creak and cheering sound, magic up, revealed a way to continue to move forward.

"What have you done? How did you open it? " Chu Yan was surprised to open her eyes and asked.

Xia fan touched his head innocently, "I didn't do anything, I just pushed it gently, and the door opened itself."

"Automatic?" Chu Yan touches her chin.

At this time, Xia fan suddenly laughed and took Chu Yan's hand and took her forward.

"I've come here anyway. Go in and have a look. After all, this is probably the base of Canglong and Yueyin."

"Sooner or later your curiosity will kill you!"

Although Chu Yan was dissatisfied, she did not resist. They passed through the gate.

All of a sudden, Xia fan felt a strong wind behind him. He quickly turned back and pulled up the speed, but the Longmen gate gate fell in a straight line at a speed beyond imagination.

Xia fan and Chu Yan were not given a chance. The gate of Longmen gate fell down and made a huge noise.

After that, countless spotlights installed on both sides of the passage were turned on, and this underground corridor was illuminated with snow!

"You see." Chuyan takes Xia fan's arm with one hand, and points to the top of Longmen gate with the other hand.

At the top of the gate, there are also five crystal stones that will shine, but all of them have been lit up at the moment.

Xia fan smiled. "The animal told me that three suspicious people came down here, plus we two, just five people, and the lights on the Longmen gate are five."

, "don't mention those things that didn't work." the suspect came here four years ago. Even if she could not walk out, she had already become a skeleton. Go ahead. If there is no communication terminal, no one will come to save us. " Chu Yan said with worry.The underground passage was shining with brilliant lights. After walking about one kilometer, a second door appeared.

After passing through the second gate, Xia fan and Chu Yan see a world they will never forget, the underground jungle.

The fluorescent lamp at the top of the cave maintains the photosynthesis of the jungle. There are many streams in the jungle. If you put your hand in it, it feels cold. It should be the groundwater introduced from somewhere.

All in all, in this magical underground world, an ecosystem has been set up artificially. Plants, animals, insects and fish can live here.

Pointing to the edge of the jungle, Chu Yan said, "there are traces of human beings living here for a long time. They once made a campfire and roasted the fish in the river. There are a lot of fish bones on the ground. In addition, some fruit cores should come from wild fruits."

"these evidence shows that the three suspect probably had been here too!" Chu Yan is very excited to say her reasoning.

As soon as her voice fell, she heard Xia fan's voice, "no need to analyze. Those three people have not only come here, but are still alive, hiding in the jungle opposite us."

Xia fan raised his voice and exclaimed, "since it has been discovered, you may as well come out!"

Time is not big, then heard the opposite jungle branches shaking sound, from the forest really out of three savages.

The three of them are bearded, their eyes are red, their skin is rotten by mosquito bites, and their whole bodies are dirty, as if they have been far away from civilization for a long time.

One of the three was tall and thin, with sunken eyes and gray complexion. He was a fat old man with white skin and looked well cared for. However, he had a bad smell on his body. One of the most special people was like a golden lion, with golden whiskers and beard all the way to his chest. He was short and strong with a bamboo basket on his back.

When Chu Yan saw them, she immediately tightened her muscles and clenched her fist.

But Xia fan was still smiling, and said to the three unknown fellows: "what a coincidence, how can the three be here?"

The fat old man seemed to be the leader of the three. He looked at Chu Yan and Xia fan and said, "do you ask us? Who are you yourself

Xia fan just wanted to answer, at this time Chu Yan suddenly took a step forward and scolded in a loud voice: "don't talk nonsense! The secret service of the League handles the case! You all get down! Hold your head in your hands

Xia fan wants to stop Chu Yan from showing her identity, but it's too late. He has to shake his head and smile bitterly.

As soon as the three guys heard that they were investigators from the secret service bureau, they immediately changed their faces and showed their ferocity. Among them, the guy with golden beard also secretly put his hand to the bamboo basket behind his back. Of course, Xia fan saw all these small movements.

The fat old man said calmly, "secret service? So what? You are afraid that you will come in and not go out, just like us

His eyes turned to Xia fan, and the old man asked curiously, "boy, how did you find us hiding behind the woods?"

Xia fan laughed, "it's very simple, you don't talk about hygiene, so the taste on your body is not so wonderful. If you hide it skillfully, you can't cover up the smell."

"My colleagues have just told you that we are investigators of the secret service. Now we need you to go back with us. We need your assistance in investigating a case."

Hahaha ~

the three looked at each other and laughed at the same time.

The guy with the golden Beard said, "boy, you have a good sense of smell, but you are a bit stupid."

"You don't even know where it is. You're here? I'm afraid you don't even know how you died later

The fat old man turned his eyes and reached out to stop his companion from talking further. Then he said in a deep voice: "to be honest, this is the testing ground built by Canglong Yueyin, who swept the whole universe in those years."

"As the two most famous combat groups in ancient times, it's not easy to join them. They need to pass the rigorous examination again and again, and here is one of their assessment places."

"At first our brothers found this place, but we never thought that this was a team test ground. Every five soldiers formed a standard combat group, which was the usual fighting mode of Cang Long Yueyin. But we only had three people, so we couldn't meet the starting conditions of the proving ground."

"But now that you've come, you've got five people, and the proving ground has finally started."

"According to the rules, all five people must pass the trial alive. Otherwise, as long as one person dies, the other four people will be executed immediately. As I said, it is not easy to become a member of Cang Long Yueyin. The testing ground is such a place where people need to fight with their lives."

"So it is impossible for us to go back to investigate with you now, because no one will go back until this trial is over."

"Whether you're secret service investigators or not, the only thing you can do now is to cooperate with us!"

Xia fan is slightly stunned. Listening to the old man's tone, he should not be lying. The five lights on the Longmen gate can also prove what he said from the side.When Xia fan's brain was spinning rapidly and thinking about countermeasures, she didn't know what was going on. Today, Chu Yan was very excited. She cried out angrily, "do you want us to cooperate with you? Impossible, impossible

"You are the most wanted in the League! You can't have a second end but to be guillotined

"It turns out she knows these three guys!" Xia fan is shocked by Chu Yan's words.

At this time, Xia fan suddenly jerked his nose, his face slightly changed.

The next second, Xia fan grabs Chu Yan directly, puts her in his armpit, spreads the legs to run.

"Something's coming!"

"Speed, go!"

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