When the machine was full of oil, let out a loud roar, and the arm-thick alloy drill bit roared towards the rock wall, everyone looked at the industrial monster and was full of shock.

"How long will it take to get through?" Han Zhengxian was very concerned.

"My baby is a mountain artifact, if you give it enough oil, it will not be a problem to be more than ten meters a day. The person in charge knows Han Zhengxian, but he is a businessman, and he is the first to be sharp.

"It's too slow! Hurry up! Money is enough!" Han Zhengxian saw the crux of the problem at a glance.

"Since the secretary has spoken, even if my baby is scrapped, it will be at least fifty meters a day!" the person in charge patted his chest and promised. As the two spoke, a huge alloy drill bit slammed into the rock wall at a speed of tens of thousands of revolutions per second. As soon as the drill bit is chiseled into the rock wall, the superalloy blade mounted inside pops out violently, spinning at a speed of tens of thousands of revolutions per second!

At the moment when the drill bit touched the rock wall, a dazzling white light burst out from the rock wall, sparks were everywhere, and people couldn't open their eyes. Rumble!

A loud sound like a meteorite crashing and a mountain collapse exploded from the collision between the drill bit and the rock wall, and the strong sound wave spread out like a bomb explosion, and this is the entrance to the cave, which is equivalent to a natural megaphone!

Boom! Everyone was caught off guard, only to feel the unbearable pain as if their eardrums had been torn, their brains were buzzing, and their eyes were full of stars. The dozens of soldiers who were closest to the entrance of the cave and were waiting with guns in their hands were even more bloody, and they fainted directly. Han Zhengxian and the others, who were a little farther away, also roared in their ears, and waited for two or three minutes before they recovered.

"My darling!" the person in charge howled, and hurried forward to investigate the damage.

The operator is wearing anti-noise earplugs and the cockpit is closed, so it doesn't matter, but at the moment the driver is like a ghost, his eyes are glazed, and his mouth is muttering something crazy.

The arm-thick alloy drill bit was broken in a large section, and the superalloy blade that was embedded in the drill bit and claimed to be able to cut diamonds was scattered on the ground full of chips, and it was simply unusable. On the other hand, the rock wall of the cave did not even have a single gap, let alone a hole, except for a white spot the size of a fist.

Click~Click~Click~ The person in charge seemed to have been swallowed by saliva, and a strange sound came out of his throat, and he couldn't say a word.

"Master, is there any hope? Money is not an issue. Seeing the scene in front of him, Han Zhengxian was also shocked.

"It's not a matter of money, you just get all the most advanced drilling equipment in the world, and you don't want to chisel through this rock wall!" said in a categorical tone.

Han Zhengxian frowned, paced a few steps at the entrance of the cave with his hands behind his back, suddenly thought of something, stomped hard, the sand and gravel rustled under his feet, Han Zhengxian's eyes lit up, and said: "The rock wall can't be pierced, and the divers haven't come, so we might as well clear all the sand and gravel in the cave and see if the riverbed below here is so hard!"

These people are all very smart, Han Zheng mentioned it first, and immediately knew his thoughts and began to assign tasks. Then, Han Zheng reported his abnormality first, which immediately attracted the attention of the central government, and an elite scientific expedition team of more than a dozen people got on a special plane to Nanhu on the same day.

There were many people at the entrance of the cave, there was a lot of strength, and there was a large number of machinery to cooperate, and in only one or two hours, the riverbed outside the cave mouth was cleared. The person in charge changed the drill bit, and the arm-thick alloy drill bit easily chiseled through the rock under the riverbed. Then, they tried dozens of more times to figure out the situation. All the rocks belonging to the Jiulong Cave are indestructible, while the rocks outside the cave are of normal hardness and are not abnormal.

Next, the divers in the back did not arrive, and the rock wall could not be chiseled, and Han Zhengxian and they couldn't find anything to do, so they set up a temporary camp next to the cave and waited for backup.

At noon the next day, more than a dozen of the top divers from all over the world arrived, and after learning about the situation, they all showed great interest. They rested for a while, recuperated their spirits, and when everything was ready, they immediately went into the water.

These are some of the best divers in the world, with a lot of experience, a lot of physical strength, a lot of willpower, a team of people, and a lot of equipment. Underwater holograms, life detectors, ultraviolet searchlights, etc., everything is available, and it is naturally very smooth.

Two hours later, they reached a depth of 200 meters and saw the light in the lower left.

Ten minutes later, they came to the cave where Zhang Dashan was, and at a glance they saw Zhang Dashan sitting upright, and immediately held his breath and walked away quietly.

Although they are a group of unruly and crazy people who like to play extreme sports, even ordinary special police officers are not taken into account by them. But when they learned about Zhang Dashan's murderous exploits, especially when they learned that he could dive to a depth of 200 meters without any diving equipment, and they were all highly intellectuals, they naturally knew what this meant.

Half an hour later, more than a dozen divers surfaced, and all the information of their group was recorded on a holographic camera.

"He really hid under this waterhole! Lao Tzu immediately went down to kill him and avenge my son!" As soon as he knew Zhang Dashan's hiding place, Liu Yuantu couldn't hold back his killing intent.

"The country has its own laws, and the family has its own rules. Zhang Dashan has violated the law, I will take him to court and punish him in a canonical manner!" Han Zhengxian said coldly.

"Hehe, what Secretary Han said makes sense. And the water depth of 200 meters is not a joke, let's prepare first. Wang Hongyuan spoke.

Then Xiao Wuyang selected 90 elites from the 16,000 military police, and formed a round-up team with several capable men brought by himself. Among these bigwigs, Han Zhengxian and Wang Hongyuan were both physically weak and did not participate in the action.

At night, a group of 50 special police officers followed a dozen divers to dive, and when there were many people, the speed was naturally slow, and it was not until nearly four hours that they touched the entrance of the cave.

These special police officers spread out in a fan-shaped manner, and in groups of two or three people, they were scattered on both sides of the entrance of the waterhole, holding machine guns, and the swarthy muzzles of the guns were all facing the figure of Zhang Dashan sitting cross-legged.

Another four hours later, Xiao Wuyang led the forty or fifty special police officers behind him to climb up. As soon as he came up, Xiao Wuyang immediately saw the figure sitting with his back to them a hundred meters in front of him.

The special police officers behind him didn't need to be ordered, they were directly scattered on both sides of him and Old Man Xiao like two wings, and they hurriedly pressed forward with machine guns. The original 50 special police officers also occupied their own firing positions, and dozens of red lines of sniper rifles gathered in the back of Zhang Dashan's head and back.

This kind of situation, this kind of battle, even if Zhang Dashan has wings, it is difficult to fly!

"Alas...... You're finally here. I've been waiting for a long time!" a long sigh sounded slowly.

"Hehe, you are a murderer who is hunted down by the whole country, and I am the one who was ordered to arrest you. The two of us are mortal enemies, what are you waiting for me to do?" Xiao Wuyang walked forward in a big stride.

"I don't even know your name, what kind of mortal enemy am I and you? Could it be that I can't beat all my captors to death!"