At this time, Liu Chen fled but did not want to escape. What should I do if they were fighting?

Then there is only help system!

Liu Chen didn’t hesitate at all, and immediately opened the system panel.

[Host: Liu Chen! .

[Dungeon level: 7! Area: 6400 square meters! In the next level upgrade, system currency: 1280! .

[Existing buildings: workshop (level: 3), research institute (level: 3), urban defense tower (level 3), power plant (level: 2), medical office (level: 1), number of resource mines: 4. .

[System currency: 23084! .

[Items: clearing heat and detoxifying capsules X10; third -level task package X1. .

Yes, you read it right.

After a few hours of confrontation with the strange beast, they have killed 1,000+ aliens and carried the reserves of the system currency to tens of thousands!

After killing so many strange beasts, the killing task is naturally completed in advance.

I didn’t think about it, he immediately opened a third -level task package.

【Ding! .

[Congratulations to the host for getting a tower in the tower! .

“Is this a card that can make the city’s unconditional upgrade?”

Hearing the sound of the system, Liu Chen’s face was a little bad.

If it is a directly upgraded card, then this task package is really a little bit.

First of all, the value is too low.

Raising the tower to level 4 is 400 system currency.

He now has more than 20,000 system coins. He is rich in wealth. It is not good to say that he really doesn’t look at the two jujube.

Second, even if it can be upgraded now, Liu Chen is unwilling to upgrade.

Why?

The reason is simple.

The attribute panel of the urban anti -tower has clearly shown that the weapon loaded by the next level of the tower of the city needs to be loaded with nuclear fission missiles.

He does not even have uranium ore now. Why are he upgraded?

Is it furnishings?

If the effect of this step -level card is really the case, then he is quite dissatisfied.

However, can he be so simple to enter the third -level task package?

Obviously not.

The system quickly gave the answer: “The advanced card of the city defense tower is not the effect of the city defense tower upgrade card. The effect of the advanced card is to transform them on the existing weapons and equipment of the city defense tower to enhance their power!”

I see!

Then Liu Chen changed his face!

“This thing is good!”

Then, grinned and used this city’s anti -tower to enter the step.

.

Various equipment on the tower of the city suddenly had green light began to linger, extension, interweave, and gradually outlined a new look.

This is the case for the launch of the missile.

A little magical realism, the launch well changed from a single well to a four well in the green rays, a bit like four chesss in the field grid.

High -firing cannon has changed from the original single -gun tube to the tension of the twelve guns, which is like the firearb cylinder that was put in the New Year.

The main castle is even more outrageous!

The base is raised, and the defense layer is thickened.

I do n’t know where to derive the four -handed liangtang and the cutting machine like a cutter, surrounded the main castle, which is very fast!

Seeing people’s hearts for a while!

It is conceivable that if those monsters are approaching.

Alas, you have to be cut into the city in minutes!

After the weapon advanced, Liu Yue, Liu Yiyi and others operated were particularly handy!

The high -fired cannon of Liu Yiyi played like Gatlin with a blue fire, and he screamed in those strange beasts!

Destroyed, those monsters fell one after another!

Fry the meat into a residue, the bones are fractured into powder, and the blood flows into a river.

At the scene here, I am afraid that the Ashura hell is not the same!

Because of those flying fish and strange beasts, Liu Yiyi often took care of the sky, but now it is not used.

With those bright swords of the bright dignified, flying fish came to death, and one of them was beheaded!

After a round, the beast that covered the sky was densely covered with the sky, and a large hole was beaten, and a vacuum place was available between the strange beast and the tower of the city!

The launching well operated by Liu Yue is even more scary.

Previously, because of the slow filling and slow rate of fire, she had to listen to Tian Yueyue’s command to see where there are more beasts. The best effect is to consider the effect. Considering the accuracy

Various constraints.

Now, haha.

What is not accurate and what is this?

How can there be so many considerations, press the launch button to press it, and the bombardment is over!

Alas! Alas!

Alas!

Boom!

For a moment, centered on the underground city, it was surrounded by a shock!

The sound of explosion, the screams of the strange beast, the roar continued.

Smoke and blood fog rose up, covering the half of the sky, and the clouds on the air were dyed black and purple, which looked particularly scary.

In the distance, the members of the defensive group who came to the survey situation in the distance saw this. The corners of their mouths were drawn for a while, and they dared to circulate in the periphery.

In the headset, there was a sound of Zixi La La: “The turbulent number! I am a cave! I am a cave! Please answer it when I receive it! Please answer it!”

“Dongyong Cave! The turbulence has been received! The turbulence has been received!”

“Is the situation of the D3 region check clear?”

“The situation of the D3 area is still unknown, but I feel at least one teacher here!”

“Continue to investigate!”

“receive!”

Of course, this bombing is cool, but the problem will soon follow!

In the mind of Liu Chen, there was a long sound at this moment.

[Dudes -Dudes -Dudes -]

【warn! warn! .

[Insufficient supply of ammunition in the city, please make in time! .

The fight is too fierce and too fast, there are these problems.

No way, Liu Chen could only solve it quickly.

He first built dozens of mining robots to let them dig madly nitrogen ore and iron ore, and increase the supply of raw materials.

Second, upgrade the workshop to improve the manufacturing efficiency of the workshop!

But that’s it, the system still reminds him that the supply of cannonball is insufficient.

There is no reason for him, just because the production of nitrated mines and iron ore is limited.

Then I can only continue to open the mine

Now that there are more system currency, he is not afraid of opening the mine!

【Ding! .

[Congratulations to the host’s successful construction: resource mine! Note: The resource mine in this construction is copper mine! .

“Open again!”

【Ding! .

[Congratulations to the host’s successful construction: resource mine! Note: The resource mine in this construction is aluminum mine! .

【Ding! .

[Congratulations to the host’s successful construction: resource mine! Note: The resource mines constructed this time are gold ore! .

[Tip: The current dungeon level can only accommodate 7 -seater ore! .

Liu Chen: “.”

Is this interesting?

At this time, Liu Chen naturally had no time to measure his face.

Isn’t it just upgrading the dungeon!

Still that, it is not a thing that can be solved with system currency!

Continue to operate!

There are prerequisites to upgrade the dungeon.

Grade 5, level 4 in research, level 3 of power plants, level 2 of the medical office, and level 1 of the driving test simulation base.

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