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Upgrade! Stone Shelter!

The production page was pulled to the bottom, Sumo clicked on the idea, and the list of materials jumped out.

[Hunting compound crossbow: wood 0/8, iron block 0/8, copper block 0/4, nylon 0/2, composite nylon 0/1]

[Assorted crossbow arrows 5: wood 0/2, iron 0/1]

After unlocking the blueprint of the compound crossbow, the blueprint for making the supporting crossbow bolts comes with it, so Sumo doesn't need to get it again.

"The iron block is easy to handle."

"The only thing missing now is nylon, composite nylon, and copper."

"I don't know if other people have nylon. Copper should be easier to get."

While thinking, calling Oreo back, Su Mo walked back to the shelter.

When exploring the game board, it is easy to ignore the surrounding environment, so when browsing the trading market, Sumo usually conducts it in the shelter.

When checking the trading items before, Su Mo saw a lot of weird little things.

At this moment, I searched and found traces of copper nuggets on the trading panel.

At present, the price of a piece of copper is 100ml of water, and there is no trace of nylon.

"The prices these people put up for sale are too high."

Su Mo browsed around and suddenly found that there were only two people selling copper bullion. Before he had time to buy the new copper bullion, they took it away.

These players, who are similar to game merchants, are hoarding resources that are still in short supply at the moment, and they are sitting on the ground and raising prices.

"It's better to collect it yourself, it's more cost-effective to exchange psionic water for materials"

Su Mo pondered for a moment and hung up several sets of transaction methods.

[Seller: Sumo]

[Trading Item: 50ml Nether Energy Water]

[Requirement: 1 copper block]

[Stock: 200ml]

...

[Trading Item: 100ml Nether Energy Water]

[Requirement: Nylon*2]

[Stock: 200ml]

...

[Trading Item: 200ml Nether Energy Water]

[Requirement: Composite Nylon]

[Inventory: 200ml psionic water]

The acid rain that will come tomorrow, in the eyes of most people, is not a disaster, but a "replenishment".

Since the morning, the purchasing power of water has been declining.

Not only the exchange of materials but also the exchange of equivalent food, is greatly discounted.

But fortunately, the purchasing power of Youneng Water is still strong.

These purchased materials can just make up the material demand for making the compound hunting crossbow.

Less than half a minute after the replacement of the copper blocks was hung up, the four units were traded.

"Boss, where did you dig the phantom energy water? Don't worry, we will get 19 points after digging, okay?"

"God Su, I still have copper. Please take it from me. I haven't had any water for a day."

"Sir, I have nylon, but the price is not enough, so it will increase!"

"..."

Private messages followed one after another.

This is already the Nth time that Sumo has listed and sold Psionic Water, so almost everyone guessed that he has a fixed gold mine with a constant flow of water.

Most people bought phantom energy water to go back, and it's not all for quenching their thirst.

Basically, they are stored as strategic medical supplies. In case of injury, it may be possible to hang a life by relying on psionic water.

The world channel, the regional channel, and a lot of people have been opened up, and there are discussions around the two kinds of nylon that Sumo needs.

After the test just now, Su Mo has learned that nylon is not a shortage product, but some people are unwilling to sell it because of the price increase.

Seeing more and more private messages, Su Mo set the keyword of composite nylon and ignored them.

I haven't encountered a fatal threat yet, and I don't need a compound bow for an emergency. Maybe some people will sell it at a low price in the evening.

After sorting by price, Sumo received 50 units of stone materials again, making up for the loss of the previous canal repair.

After slowly taking out all the construction resources and stacking them in the shelter, Su Mo's mood was agitated.

Living in a wooden shelter, was okay in the early stage, but as time goes by, the wood will always lose its rigidity one day, which is really not safe.

Now that the conditions for upgrading the stone shelter have been met, Su Mo has no ink marks and started to upgrade manually.

The first thing to upgrade is the gate of the shelter, which is also the first line of defense in the wasteland.

[Refuge door]

Effect: slightly anti-theft, slightly anti-radiation

Upgrade Direction 1: Increase the thickness of the wooden door, increase the sturdiness of the wood, slightly fireproof and waterproof (10)

Upgrade direction 2: Change the material, upgrade the wooden door to a stone door, and greatly increase the durability and other attributes (5)

Evaluation: You don't want to live in the last days with a wooden door, do you?

Click upgrade direction 2, the stones on the ground will be scanned with green light, and ten units of stones will be melted, turning into stone water and adhering to the wooden door.

After a short wait, the original wooden door disappeared and was replaced by a simple stone door.

Pushing open the stone bolt, pulling the wooden stone door handle, and slowly pushing the stone door open, Su Mo was pleasantly surprised again.

The thickness of the Shimen is more than 20cm. Even bullets with such a thickness are difficult to penetrate. As long as he closes the door inside, no matter how many people are outside, they will not be able to break in.

Of course, the premise is that these people don't have explosives...

The workmanship outside the stone gate is very rough, and the system has also paid attention to concealment in the upgrade. Although it still looks out of place in the wilderness, at least ordinary creatures will only regard it as a rough rock.

After closing the door and returning to the base, Sumo began to upgrade one by one.

Every time the green light is scanned, the original wooden floor will undergo earth-shaking changes, turning into a light gray stone floor.

After upgrading the foundation, Su Mo started to upgrade the bearing and ceiling again.

With the discoloration of the last piece of wood, the shelter has a new look.

The first is the internal environment.

There is no longer a damp feeling, and the dirt on the wooden boards has also disappeared after days of activities.

At this time, the ground is neat and tidy, and the whole body is made of light gray. Because it is extremely smooth and smooth, it looks a bit like gray tiles at first glance.

The original potholes have been filled up under the system upgrade.

The color of the stone on the wall is a slightly quaint dark brown, with a trace of stone pattern pulled up from time to time, making the shelter not so dull.

The ceiling above the head is the same color as the wall, giving a sense of unity.

"Good"

Su Mo looked inside and out and then opened the whole picture of the shelter on the game panel.

[Personal refuge]

Description: The whole body of the shelter is made of stone. It is extremely strong and has good safety. It is uniquely effective in isolating moisture and keeping warm.

Space: 100㎡ (floor height 4.2m)

Completeness: 100%

Facilities: iron stove, UU reading www. uukanshu.com bed, large vegetable culture medium, psionic well water extractor, dining table...

Introduction: Everyone has to pay for their youth, only you have to build a house for your youth.

"This is the greatness of human civilization!"

Su Mo clapped his palms and sighed. The biggest benefit of a shelter made of stones is nothing else but two words -

Safety!

The security that everyone is striving for in the last few days is now built in Somo in only four days.

Walking around, touching here, looking there, looking at the brand-new shelter, Su Mo couldn't help but feel happy.

"Unfortunately, it would be great if there was electricity. This stone house is not as comfortable as reinforced concrete. I'm going to install a bathroom, no, install a bathtub, watch a movie, drink red wine..."

Looking at the ceiling, Su Mo sat on the steps, dreaming.

After coming to this world, every time the environment in the refuge was closer to the Earth, Su Mo's mood became more and more complicated.

From scratch, from the Stone Age to the Electric Age, humans have used it for more than a thousand years.

And a person's lifespan is only a few decades at most. In the precarious doomsday, is there really a day when the power will be restored?

Clenching his fists, Su Mo put the gloom in his heart behind him.

Right now is not the time to sigh. He hasn't even been able to go out for three kilometers to the nearby wilderness. How can we talk about the future?

I counted the supplies. At this time, the storage of Youneng Water has recovered to about 2.5L, not counting the 400ml listed for sale on the trading market.

Leaving 1L of water as a backup, Sumo started the last sweep before the disaster.