In the scientific and technological system, if there is less than the individual soldier level, there are reconnaissance planes and other products that can be reconnoitred.

But the Psychic System needs to be at the surface level.

At present, Liu Ruyan is only at the city level, and Mu Chen has no way to study ultra-remote creations.

There are already close proximity, such as the top floor of Liu Ruyan's current ancient castle, which can show the surrounding environment.

Liu Ruyan was staring at the screen in contemplation, which showed an emerald green bird flying.

Birds are over the forest, right?

But what about the traces of death?

That's extremely unreasonable!

Because there are no animals at all in the second level, some bugs are still alive.

Therefore, Liu Ruyan is sure that this bird is the detector of another ally, but he doesn't know what system the other party has.

Mu Chen didn't know what kind of system it was, because the bird was a real bird, and there was no transcendent power in his body.

But this is indeed the young man's means, Mu Chen didn't detect it too clearly, in short, the last moment, he scanned part of the young man's information...

At the seaside of the first level, the boy picked up a dilapidated altar that could summon special troops, including Naturewalkers, similar to druids, who could communicate with nature.

This bird is supposed to be the means of a naturewalker.

"Looks like they're going to meet, and it's kind of interesting."

The birds did not dare to approach the castle because the building was made of local materials, and the smell was not so comfortable for the creatures.

In the end, the bird flew away, and Liu Ruyan took out a high-powered telescope to track the bird.

Then she saw a big walking tree, it was so green that Liu Ruyan didn't even look at it, and she saw it at a glance.

Liu Ruyan thought about it for a moment and manipulated the mobile fortress to fly over there.

After the castle is built and the earth is dug, it is natural to build other buildings, this fortress is one of a kind, with a deflection force field on it, and a defense tower, when surrounding the castle, it is the outermost layer of defense.

And it can be freely disassembled, combined, and now it is one of the usages to disassemble it alone.

And on the ancient tree, the young man looked solemn: "The breath of this ancient castle is exactly the same as the scar of death, can't it be the powerful necromancer in it?"

「！！」

"It's coming!"

The boy was shocked, and he had the urge to run, but fortunately he remembered what the Naturewalker had told him, among the necromancers, unless the law system and the necromancers with wings before their death, they would not fly until they exploded the stars.

Here is a white bone king is a burst star, which means that this gloomy castle may be a compatriot in the future?

Thinking of this, he was even more saddened: "I thought I was the strongest, but this companion is also too powerful, this ancient castle, this defense tower...... Whoever comes, who dies."

Liu Ruyan had the same idea as he did, and as the fortress approached, she could see it more clearly, and then found that this big tree was actually a special wooden defense tower, which could move autonomously and had vitality, which was an outrageous creation.

"This person is too powerful, sure enough, I was still inflated before, even if there is a system god, I have to be humble."

After the review, Liu Ruyan released a communication tool from the fortress, which was a small ball, and flew towards the ancient tree.

However, it stopped not far away, not really close, and then the ball unfolded into a screen.

"What is carved into the pillars of the sanctuary?"

The Holy Hall, the place where the boys and girls distribute the system.

In the big tree, the boy saw the handwriting on the screen, and instantly relaxed, and his previous worries dissipated, and he walked directly onto the lifting platform, exposed to the outside world.

"It's history, the history of our humanity!"

From the first from the flame, from the first clothes, from the first house, from the first tools...... On the pillars of the sanctuary hall, the history of mankind is condensed.

Liu Ruyan also breathed a sigh of relief, fortunately it was his own person, but the young man opposite looked a little familiar, as if he was called ...... What is it called?

Liu Ruyan thought again, and the next moment it dawned on her.

"Lin Yue?!"

Liu Ruyan shouted, and the young man also heard it, he was stunned for a moment, and then he was surprised, and waved his hand violently: "Great, it's an acquaintance, I'm Lin Yue!"

At this moment, he was almost in tears, and the ghost didn't know how much he wished that someone could communicate, but it was a pity that he didn't meet intelligent creatures in the first level.

Go both ways, and the encounter will be the fastest.

The two had no worries and soon converged.

Lin Yue was slightly impatient: "Big guy! I finally met an acquaintance, and I am Lin Yue."

Liu Ruyan's eyes widened: "You're the big guy, okay?" The perfect system is what you get!"

"I'm Liu Ruyan."

Lin Yue was helpless: "Isn't it obvious who the boss is?"

"We've made a floating city, and I can see it at a glance on the ground."

Liu Ruyan also stared at the big tree and said, "Your defense tower is magical, self-repairing, able to move, or alive......

Mu Chen was disappointed, the two of them obviously entered the boasting mode, it seems that there will be a comparison to let them know how big the gap is in luck.

Because the two got along quite happily, they were once in a human base, and they had some impressions, and the most important thing was that the two sides recognized each other's strength, so they decided to form an alliance.

In order to show his sincerity, Lin Yue took the first step and said, "I dug up nearly three hundred crystal mines in my birthplace, as well as wood-based crystals."

"Before, I saw that the environment in the second level was harsh, and only hilly soil could be planted, so I established a base there."

Liu Ruyan was surprised: "Three hundred?"

"I've only dug up a dozen, and I don't have much dirt."

"The hills over there are too bad, *** simply empty the available resources, and then use the floating platform to build a floating base."

Lin Yue was also surprised: "Huh? There are so many towers on top of your floating city, I thought they were crystal mines dug under the hills."

Liu Ruyan looked at Lin Yue faintly: "That's what I moved from the previous level, even the soil."

Lin Yue didn't react, just surprised: "Yes, haha, it seems that my strength is not as good as the big guy, but my luck is not bad."

"It's not bad." Liu Ruyan felt that she shouldn't complain, but if she didn't say anything, she was upset!

"You are such an easy ...... to lose your life."

Lin Yue snorted: "It's okay, it's okay, anyway, I have to cooperate with this level, and what I found wasn't found by the big guy?"

"Can the big guy give me a place? I also want to experience the Floating City."

"Yes, we have to form an alliance anyway." Liu Ruyan naturally agreed.

"This fortress authority is opened to you, you can use the fortress to bring the resources here, and you won't live on the ground in the future."

After Liu Ruyan finished speaking, he stepped on another floating platform to return, and Lin Yue, who saw it, was envious, and then his heart beat faster, jumped to the inside of the fortress, and began to experience it himself.

Then, he froze.

Inside the fortress, all kinds of facilities were complete, including furniture, and the grade of "purple" made Lin Yue not know what to say.

"Is this the big guy?"