The power of Han Kexin's full-strength attack was beyond imagination. Xiao Yu estimated that even he could not resist from the front. {./Upload and update by book friends} The most surprising thing is that after Han Kexin used such a powerful skill, her mental power did not consume much, because she consumed another unique energy - the power of blood.

The power of blood is the same as Xiao Yu's wind and sand power, and is a kind of force other than spiritual power. The blood mark on Han Kexin's chest can store and produce a large amount of blood energy. When she advanced to the fourth level, the storage of the blood mark has increased greatly. One blow of the "Blood Demon Slash" consumes almost all the blood power, but the mental power is not lost much. At the same time, the Blood Demon King has an extra ability after the fourth level, which automatically absorbs nearby blood and converts it into force. There is no need for Han Kexin to spend his mental power to convert power, greatly reducing Han Kexin's mental power consumption.

With one sword, the blood demon king could almost replenish all the energy consumed just now through the blood energy absorbed by the blood demon king.

Han Kexin removed the Blood Demon King, and was as slender as a bird, falling quickly from the sky that was more than ten meters long. The slender and beautiful ** shone with a layer of jade-like luster in the sun. With a bang, it made a turbulent wave in his chest. On the half-exposed snowball, a charming mark was still emitting light, greedily absorbing the power converted into by the last ray of blood.

"What do you think?"

Han Kexin hugged Xiao Yu's arm and buried it in the deep and bottomless gap in front of her chest, with a look of pride.

Xiao Yu nodded and said, "I am really surprised. I think your ability is simply born for the battlefield. Unless you encounter an opponent with overwhelming power on the battlefield, your power will be endless through continuous killing and extracting blood."

Han Kexin smiled mysteriously and said: "Advance from the third level to the fourth level is a qualitative leap. The new power I have obtained is not only this, but I just have some abilities but I am not very skilled until now."

"Every step of growth will become extremely difficult at the beginning of the fourth level, but every time you advance, your strength will be significantly improved." Xiao Yu pulled out and glanced around, "Well, all the monsters have been killed by you. Even if there are caught fish, you dare not approach them. Let's go."

Han Kexin asked strangely: "The monsters in this place look so strange."

Xiao Yu nodded, "I have discovered this. They should not be natural species, or descendants of new species made by man-made. I think it has something to do with the remains."

The physical structure of synthetic life undergoes earth-shaking changes, and more than 99% of them will lose their fertility. If synthetic life is to be given the ability to reproduction and reproduction, the difficulty will be increased by at least ten times or even more! The offspring of these synthetic monsters is difficult to fix. They often find any suitable creature to be mates, and their descendants will turn into messy monsters.

The two of them didn't walk for long. A broken high wall appeared in the dense woods. There was a pothole covered with thick layers of bryophytes and a large number of vines. In fact, if you look closely, you will find that the city wall was actually made of extremely hard metal, engraved with a large amount of protection magic. Now it is eroded in an outrageous way. At least half of it has been buried underground. I don't know how many years have passed.

Han Kexin stopped under the high wall, looked up at the metal wall more than 30 meters high and said, "We are here, this is the ruins, the metal wall is equivalent to the city wall."

Xiao Yu walked out of the woods and carefully looked at the city wall in front of him.

"It's hard to believe that a steel base will become like this. I don't know how much time it will take to do it. Maybe it's a base left by the ancient war."

Han Kexin reminded: "Although it has been a long time, it is still full of mechanisms and full of dangers. Many people died in Baye City at the beginning, and it took a lot of money to find dozens of magical machines that can be used. Although our strength is ten times higher than that of Baye City, we cannot be taken lightly."

"Yeah, let's go in."

A large amount of yellow sand appeared around Xiao Yu, his feet left the ground and flew straight up towards the city wall. Han Kexin followed closely behind. But just as Xiao Yu was about to climb the metal wall, the severely eroded metal wall suddenly stretched out a neat row of black muzzles. More than a dozen white elemental energy beams shot out from it, and most of them hit Xiao Yu in front...

Because Xiao Yu turned on the virtualization in time, all the beams penetrated through without any damage. Han Kexin was caught off guard and a beam of light hit her abdomen. The powerful beam of light actually penetrated her body directly. Han Kexin let out a pain and almost fell from the air.

"Kexin!"

Xiao Yu stepped on a void step and rushed up to catch Han Kexin, landed on the city wall covered with green vines and weeds, and stepped on the slippery and wet moss.

"It doesn't matter."

"It's too fast, I can't react at all."

Han Kexin let out a long breath and looked down and saw a fist-sized hole appeared in the flat belly without a trace of excess fat. All the wounds were burned and the internal organs were seriously damaged. A trace of energy like substance was released from the blood mark, filling the terrible wounds. The necrotic tissue quickly disappeared, fresh flesh and blood grew out, and the wounds healed completely in a short while without any trace.

"I like the feeling of being held in your arms." Han Kexin was hugged by Xiao Yu as a princess, her slender legs swayed gently, and she suddenly smiled charmingly, reached out to put her arms around his neck, and offered a brief fragrant kiss. A wound that could fatalize anyone was nothing to her. Han Kexin's ability became more and more perverted, and she was no less than a demigod body.

Xiao Yu put down the hot beauty in his arms, "This is a light beam cannon, a magic cannon with light elements. Its speed and power are extremely terrifying and almost impossible to avoid. Ordinary people are probably dead when they get shot."

Han Kexin said in confusion: "From the erosion of the city wall, the remains have a history of at least ten thousand years. Can defensive weapons be activated automatically?"

Xiao Yu looked down at the dozen small cannon barrels stretched out from the top of the city. The principle of this light element cannon is to absorb light elements and concentrate them for firing. The remains were abandoned for many years and their energy had already been lost.

"I think there is a device similar to solar energy." Xiao Yu stared at several cannon barrels that stretched out from the city wall and nodded gently: "It must be so. Even if the energy is exhausted, this city can absorb the required energy from its surrounding environment, such as light, wind, flame, and lightning, which can be used to replenish energy."

"Awesome, it would be great if our city could have such equipment."

"This is a very limited supplement, at most, maintaining the most basic energy consumption. As for weapons such as magic cannons, elemental cannons, they require a lot of energy to be used. You see, these beam cannons have lost their energy and it is estimated that they will need to take many days of automatic charging before they can continue to be used."

"Even if this is the case, it will be good. At least it can solve some energy problems and provide energy for a special period." Han Kexin turned around and faced behind the metal wall, "It's time for us to hurry up and go in."

Several giant long-range magic cannons and large elemental cannons are placed on the metal city wall. They are the most terrifying weapons on the city wall. Their power is enough to knock the flying dragon to the city of meat with one shot. Unfortunately, due to the age, it has become abnormally corroded. The cracked surface is covered with moss, and a large amount of weeds grow in the giant cannon barrel with a diameter of three feet, which is completely impossible to repair. The row of small beam cannons is hidden inside the wall and is not seriously damaged, so they can barely launch an attack.

When the people of Baye City entered the ruins, they did not receive a beam cannon attack. Xiao Yu could speculate that they were probably built specifically for targets of climbing walls in the air. No one could guarantee whether there were more of these weapons inside. In order to avoid similar attacks, the two did not dare to go in too high-profile, but flew against the ground at a low altitude to explore the ruins from Baye Chengren's exploration route.

Looking down from above, the remains are like a vortex, from the edge to the center, gradually decreasing in height. Although covered with various plants and moss, most buildings have been destroyed. It is not difficult to see that this was once a large base made entirely of metal.

The interior decorations of the remains are not as complicated as imagined. The main buildings are buildings that are more than ten meters high, dozens of meters wide and hundreds of meters long. They are made of all metal, very much like an oversized container, but the top is an arc-shaped structure similar to a warehouse, with entrances and exits. There are about hundreds of steel warehouses, one row after another, arranged very neatly behind the metal wall. All of them are damaged and buried in rotten branches, leaves and soil.

Han Kexin said: "These large metal houses are all made magic robots, and they are almost all damaged and cannot be activated. There are hundreds of such large steel warehouses. The Domineering Man spent a lot of time and barely exploring six or seven of them. Their magic robots were found from it."

There is enough gap between the neat steel warehouses, and many advanced magic technology products, various types of magic cannons and other defense equipment are basically damaged.

Xiao Yu even saw a "magic tank" parked in the middle of the road. The magic tank was about a three-story building, about 2 meters high, with a rectangular appearance and a very large area. Three giant gun barrels with different colors and diameters exceeding two feet are more than ten meters long, and there are more than ten small and medium-sized magic cannons of different sizes distributed around it.

The magic tank has track-wrapped tires and multiple jet air, which obviously has suspended capabilities, and there are sixteen huge jet air holes behind it, which can provide powerful pushing power.

It was the first time that both of them saw this kind of thing and were stunned.

Han Kexin opened her beautiful eyes wide and exclaimed: "My God is simply a war fortress, enough to easily kill an army! But looking at its appearance, I'm afraid it's scrapped, which is a pity."

Xiao Yu looked at most of the tanks buried in the soil and said to Han Kexin: "Help me get it out, I want to take it back to Wentiancheng."

"You want to bring this big guy back?"

Xiao Yu nodded and said, "I want to try to repair it. Even if there is only one, it is quite amazing. Even if it is completely scrapped and cannot be repaired, at least it will be thrown to the institute for Xiaobai and the others to study it. Such a big guy can definitely find some useful things."

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