Survival: Starting with a Tiny Treehouse

Chapter 581: Four layers of defense! Giant cannon!

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On the second day of the "World Tree Siege" event, nothing happened on the ground.

Xu Xin looked at the sun sinking halfway into the horizon, but he didn't dare to relax.

During this day, they completed all the actions they had planned.

A large circle of trenches was dug around the World Tree.

With the help of three pangolins, the depth of the ravine exceeded ten meters and reached fifteen meters.

Due to location limitations, if we dug any further we would reach the roots of the World Tree, so we stopped digging.

The width of the ravine reached an astonishing nearly five meters.

This width took them a lot of effort.

However, they have their reasons for doing so.

Because, just a short while ago, Ji Chaoyang told them that he had obtained the prophecy for the next day.

He saw large groups of mutant creatures pouring into the Crystal City and were not affected by the Crystal City in the slightest.

"It's not that big, it's the size of a normal creature, but the blood veins on its body are extremely bright red."

This is how Ji Chaoyang described it.

In other words, the other side has also reacted, or in other words, they have learned from today's testing that this crystal city only affects the bloodline of giant beasts.

Therefore, they did not send out the herd of beasts with the blood of giant beasts to launch the attack above the ground again, but gathered a group of fierce beasts with only mutated blood.

“These fierce beasts are all strong in themselves, such as lions, tigers, brown bears, etc. Although they do not have the blood of giant beasts, their own strength should not be underestimated.” This is what Ji Chaoyang told everyone.

“However, in my prediction, I did not see any flying invaders, but that does not mean there are no flying invaders. After all, even now, my prediction can only last about twenty minutes.

No one knows, maybe there will be a stronger enemy coming, such as..."

Ji Chaoyang pointed to the ground.

Everyone knew what he was talking about.

Those in the underground world... petrified pterosaurs, etc.!

Therefore, after confirming that there would be a monster attack tomorrow, the gully that was originally planned to be about two meters wide was directly expanded to five meters.

This width is enough to keep most ground creatures out.

Of course, the mutant creatures might be more powerful, and five meters might not be a big deal for them, but it could still serve as some kind of hindrance.

Xu Xin, Ji Chaoyang, Wen Guixin and Wang Lei transplanted the tree house into the encirclement, near the trunk of the World Tree.

Because the tree houses of the four of them all have plant hearts!

The four of them had their tree houses located in the four directions of the tree trunk, making the entire area around the World Tree within the attack range of the Plant Heart.

The world trees of the other explorers were all located a few meters outside the ravine, responsible for attacking enemies on the ground, in the air, and in the ravine.

In addition, in the surrounding crystal cities, there is a tree house heavy crossbow defense line of nearly two hundred people.

That’s right, two hundred people.

Although only one day had passed, Xu Xin's side had teleported hundreds of people over one after another.

Li Yajun was responsible for guiding and receiving these people, filling the tree house defense line around the World Tree, and adding tree house heavy crossbows to them.

The first group of people who arrived were all from Area 188, and most of them were survivors from the vicinity of the teleportation formation that Niu Fugui had finally activated.

At that time, this group of survivors who could have arrived were not ready to leave before the winter season ended, causing the reward of "all areas are safe zones" obtained by Area 188 to disappear, so they did not dare to leave.

But now, the existence of the World Tree has made the entire Area 188 a safe area again. When they received the news, they were overjoyed and rushed over without stopping.

These people came here without hesitation and are bold and active.

Although they had to join the war as soon as they arrived, they did not think there was anything wrong with it. Instead, they were all very excited.

“What powerful equipment!”

"As expected of the explorer master!"

"Don't worry, elders. We will protect the World Tree!"

"Haha, Crystal City and World Tree. I've heard about it before, but now that I see it with my own eyes, I suddenly feel so confident!"

"Did you see those mutant creatures outside Crystal City? They really scared me when they came, but they turned out to be the guards of Crystal City! We are invincible!"

That's what these guys think.

Indeed, the entire huge crystal city emitting a bright white light and the towering world tree that was so huge that it shocked everyone's eyes were too shocking for a group of survivors who had been living alone.

Shocking beyond words.

Under such a strong impact, it is normal for them to be full of confidence and think they are invincible.

As for the group of mutant creatures outside Crystal City, Xu Xin left it entirely to Mimi.

Within one day, Mimi became the undisputed king of all the mutant creatures outside, making them bow down to him.

This is not a difficult thing to do, because Mimi has already upgraded to an advanced mutant creature without knowing it!

Even Xu Xin doesn’t know this!

Xu Xin used his telepathic ability to talk to Mimi and found out that the troll's meat and the mutant biological potion obtained from underground had rapidly increased its abilities, and it had already reached a high level when it was in charge of looking after Shi Wanyun.

If it hadn't suddenly burst out with a terrifying speed far exceeding its previous speed, Xu Xin would have thought it was lingering at the intermediate level.

With this invincible explosive speed, killing Xu Xin within ten meters would only take one claw. He would have no chance to react.

Fortunately, Mimi still has a contract with him, and it also has the blood of a giant beast. Crystal City also has a strong influence on it, so there is no need to worry that Mimi will be controlled by the other party because of the blood of the mutant creature.

Similarly, under the influence of Crystal City, its size has become larger than before.

Therefore, it was only natural for him to become the king of mutant creatures.

Compared with Mimi, Ah Fu was promoted to intermediate level, while Yin Wang was not promoted to advanced level, but fortunately he was very close.

In short, with Mimi's help, the outermost defense line against mutant creatures was also set up.

Within this day, the inner and outer defense lines of Crystal City had been properly arranged by the outer circle.

The outermost layer, the mutant biological defense line.

The second level is the tree house heavy crossbow defense line of two hundred survivors.

The third layer guards the ravines between the underground and the ground, as well as the defense line formed by these powerful explorers.

The fourth layer, the plant heart guard line in the ravine, and Xu Xin’s super heavy crossbow.

All the defense lines have been completely deployed!

Four lines of defense, interconnected!

Just waiting for the enemies who intend to attack the World Tree to attack.

This time, they were well prepared!

Xu Xin twisted his neck and relaxed his tense mind that had been tense all day.

According to Qin Fu's report, there was nothing noteworthy happening in Crystal City or outside the city today.

I don’t know why the other side didn’t attack today, giving them enough time to prepare.

Perhaps the other party also needs to prepare. After all, it is not an easy task to prepare a legion of mutant creatures without the blood of giant beasts on this earth.

Perhaps they are also gathering their forces.

But this also requires more attention.

If they previously believed that the enemy's real means of attack was to sneak underground and steal the crystals of the World Tree, now, all the explorers believed that both the ground and underground were their main means of attack.

The purpose of the ground operations was not to cover the underground operations, but to split the troops into two groups.

The mutated creatures on the ground are also here to destroy the World Tree!

Therefore, we must be extra careful.

There is also an aerial enemy that they cannot yet identify.

In short, tomorrow's battle is still unknown.

They have already prepared everything they can, and all they can do is try their best.

At this moment, Xu Xin's watch suddenly vibrated.

It was Shi Wanyun who called from far away in Area 1.

"It's basically been settled here. I convinced them." Shi Wanyun spoke, bringing the good news in a gentle voice.

"How did you convince them? Did you tell them the truth?"

"Of course not." Shi Wanyun chuckled. "I asked you to tell me the truth. How could I tell them directly? And didn't you say I couldn't tell them?"

"and you… "

"I just used my ability to show him the World Tree and the Crystal City, and told him that this is the city owned by you explorers."

This operation is... simple and effective.

Even the strong ones in Area 1 would be shocked by the combination of the Crystal City and the towering trees.

but…

"Didn't you say that you didn't want other people to know your abilities?" Xu Xin asked.

"It's just that one of them knows about it. Cheng Junan, you should have heard of his name."

Cheng Junan.

His name was on the previous snow mountain rankings.

After establishing an alliance between the two regions and connecting them, the other party even had a private chat with him.

But they were just normal greetings, like saying a few words and then everyone would cooperate to achieve mutual benefit and survive together.

This man named Cheng Junan, like Shi Wanyun, also won first place in the District 1 rankings. He can be said to be a strong man in District 1 at the same level as Shi Wanyun.

"I only told him. He didn't have to tell anyone else about my ability."

"Forehead to forehead?"

"… I just touched him and let him take a look at the scene." Shi Wanyun chuckled, "Don't worry, I'm not interested in him. He was also very wary of me. If it weren't for the increased affinity, I might not have been able to get close to him."

"… That's not what I meant." Xu Xin said helplessly, "So, he helped you convince the people in District 1."

"Yes, we have the two strongest people in Area 1 to back us up. We have informed everyone in Area 1 that we are going to Area 188 to help protect the World Tree. Now everyone in Area 1 is ready to make a move."

This saves a lot of effort.

Even the big bosses in this area have run away, so the remaining survivors will naturally follow suit.

“But he also has conditions.

There are some people in Area 1 who are very opposed to this because they have joined other powerful people in Area 1 and their tree houses cannot be transplanted again. Cheng Junan can agree because he has only accepted two people, and his condition is...

Let the two people who are now parasitic on his tree house have a parasitic tree house. I agreed on his behalf."

"That's a good promise. There's no problem with that."

The explorers had quite a few empty parasitic tree houses, so it was no problem to give them two.

Moreover, the World Tree itself is also a huge tree house. After the World Tree grows up, it doesn’t matter whether the parasitic tree house is still needed or not.

Now, after the survivors in Area 188 cut down their own tree houses, they will no longer hear the prompt "Find the tree house as soon as possible, otherwise leave the beautiful world."

In other words, in Area 188, which is affected by the World Tree, there is no need to worry about problems arising from losing the tree house.

Personal tree houses and the like are no longer a necessity.

Because they already have a huge tree house.

"Lou Fei'er and Jin Yue, you still don't know your abilities?"

"I don't know. I'm communicating with you now, but I'm not telling them. They are currently dealing with the survivors in Area 1. Nearly ten survivors have come to our side. We should be able to go over tonight."

"Okay, then come directly. Does Ji Chaoyang know about this?"

"He definitely knew. Cheng Junan was already in contact with Ji Chaoyang. He contacted them right after he agreed."

"Well, just leave it to him then."

Ji Chaoyang has always been in charge of handling matters in Area 1, so Xu Xin doesn't get involved.

"We have opened the transmission today. You can come anytime. If you want to come, it's best to come tonight." He looked at the sky outside and said.

The sun has completely set.

It's getting dark.

"Okay, the ordinary survivors from Area 1 will be sent there first. Cheng Junan will not be in the area for now. He still needs to guide the survivors from Area 1 who are coming here."

"Yes, I understand."

After hanging up the call, Xu Xin still contacted Ji Chaoyang to be on the safe side.

The other party had indeed received the information, which he learned from Cheng Junan.

"Then I'll leave it to you."

"good."

After hanging up the call, Xu Xin looked at the time.

The sun was setting, but it was still early for the day to end.

Now, it's just seven o'clock in the evening.

So he went to find Ma Hongwei again.

Zeng Tao was still in Ma Hongwei's tree house at this time.

"Xu Xin! Xu Xin!"

Seeing Xu Xin coming, Zeng Tao immediately pounced on him.

Xu Xin didn't dare to let her pounce on him, so he quickly dodged to the side.

Zeng Tao missed, but turned around and pulled him into the house excitedly: "Come and see! Look at what I made!"

"What..." Xu Xin was pulled by Zeng Tao, and looked sideways at Ma Hongwei, who looked tired but slightly relieved, "Did you finish it?"

"I made it..." Ma Hongwei felt as if he had exhausted all his energy. "I finally made it just now."

Zeng Tao dragged him into Ma Hongwei's manufacturing room. As soon as he came in, Xu Xin saw a heavy cannon lying on the floor, which was bigger than a human.

Furthermore, there is a handle that can be used by hand.

But the size and material...

I'm afraid ordinary people can't move it at all, let alone lift it up.

"Dang dang dang! Isn't it awesome? I made it! A handheld cannon!" Zeng Tao immediately put her hands on her hips and pointed at the cannon on the ground.

Xu Xin reached out and touched the cannon.

Stone Heavy Cannon (Blue): A handheld heavy cannon with a gunpowder tank inside. It can be fired twice after being fully loaded. It is extremely powerful, but its weight and recoil are so great that it cannot be used by anyone other than Superman.

A powerful heavy artillery!

Xu Xin tried to lift it up, but... it was difficult.

He can lift it, but it is impossible for him to use it smoothly.

"You are so weak!" Zeng Tao immediately grabbed the handle of the cannon with both hands and lifted it up.

She lifted the huge cannon with ease!

Then, she raised her hand, and the heavy artillery weighing at least tons and two meters long was easily lifted by her and placed on her seemingly extremely slender shoulders.

But she didn't feel any effort at all, instead she smiled proudly and said, "How is it, isn't it super strong? Boom!"

A small man carrying a big cannon.

The black muzzle of the gun was still pointing at Xu Xin.

Lolita and cannon, this scene is a bit incongruous, but I have to say...

Nice combination.

"Well done. You haven't tried its power yet, right?" Xu Xin asked.

"No. This is just a test cannon. The real one still needs to be upgraded in structure and power, and made of metal, such as purple-grade steel or meteorite iron ore." Ma Hongwei said tiredly, "But the current version is not unusable. But I don't have much energy now. Brother Xin, you come and accompany her. I want to rest."

Ma Hongwei is exhausted from tutoring his children with their homework, and now he just wants to rest.

"Let's go, let's go out and try it!" Zeng Tao held the huge cannon in one hand and pulled Xu Xin's arm with the other hand, begging, "I spent a whole day researching this!"

“I’m the one doing the research…” Ma Hongwei rolled his eyes.

Xu Xin was indeed very interested in this cannon.

It can be fired by just loading gunpowder, without consuming metal or other materials to make ammunition.

This means so much.

I don't know how powerful it is in this situation.

"Okay, let's try it."