Global Catastrophe: I Am Cultivating Immortals in the Refuge

As for why Chen Nuo chose to upgrade the heater on the fourth floor, the reason is very simple.

The fourth layer is the planting place and the place where animals are raised, so the temperature there must not be low.

Otherwise, once the animals get sick, they will die, and once the plants are frozen, Chen Nuo's efforts will be in vain.

That's why Chen Nuo first chose to upgrade the heater on the fourth floor.

Of course, it is impossible to directly upgrade to the tenth level, after all, he only has so many upgrade points.

Furthermore, you must keep a hand in everything, otherwise, you will definitely die a miserable death.

"Now the temperature on the fourth floor can increase to 80 degrees by then, and with the addition of artificial sun, it shouldn't be scary." Chen Nuo secretly analyzed.

As for the car factory, water source station, and power station on the second floor, they are equipment that should be able to withstand freezing.

Not to mention the scientific research base on the third floor and the retreat room and simulated combat room on the fifth floor.

"System, raise the heater on the first floor by five levels." Thinking of this, Chen Nuo ordered.

The first floor is where he sleeps and eats, and the temperature cannot be low.

However, the level of this heater does not need to be too high, after all, the human body can withstand a temperature of minus 50 degrees.

Therefore, he chose to directly upgrade the heater to the sixth level.

In this way, the temperature emitted by the heater will be sixty degrees at that time.

Of course, if it's still too cold, he has three heaters and a stove.

"Let's just leave it like this for now, save a little, and use the extra upgrade points to upgrade something else." Chen Nuo thought to himself.

"Ding, you have consumed 770 upgrade points to upgrade the heater on the first floor to the sixth level, and the maximum temperature that the heater can heat has increased from ten degrees to sixty degrees!"

"System, how many upgrade points do I have now?" Hearing this, Chen Nuo continued to ask.

"11365 points!"

"More than 10,000 points, then upgrade the heater on the first floor again!" Chen Nuo nodded and said.毊灪 miaoshuyuan.com 毊灪

"Ding, you spend 800 upgrade points to upgrade the heater on the first floor. The maximum temperature that the heater can heat is increased from 60 degrees to 70 degrees!"

Hearing this, Chen Nuo then asked:

"System, how many upgrade points are needed to upgrade the scientific research base again?"

"3200 upgrade points!"

Hearing this, Chen Nuo didn't think too much, and said directly: "Upgrade!"

"Ding, you spend 3,200 upgrade points to upgrade the scientific research base, and the area of ​​the scientific research base has increased from 600 square meters to 1,200 square meters!"

...... 嬯寷 bⅹш ⅹ С〇 寷

With the improvement of the system, Chen Nuo has already taken the elevator to the scientific research base on the third floor.

At this time, due to the upgrade, the space of the scientific research base is much larger again.

"Scientific research, call out the newly added craftable technology after you upgrade." Chen Nuo directly ordered.

"Okay!" Following the scientific research's answer, a light curtain instantly appeared on the center console.

"Anti-skid device: No matter what kind of car it is, the anti-skid device can be installed. After the installation, the vehicle will no longer experience unstable brakes on snow and so on!"

Production needs: ten catties of iron, ten energy crystals!

It can be installed on the vehicle for free!

Anti-freeze device: a device that can be installed on any machine to make the machine anti-freeze!

Production needs: ten catties of iron, one catty of copper, ten energy crystals!

Combat yacht: not only can swim on the sea surface, but even has the ability to fire bullets!

Production needs: one hundred catties of iron, ten catties of copper, and twenty energy crystals!

Dark metal: A metal that even Barrett's cannon can't penetrate!

A pound of dark metal needs ten energy spars to make!

...

Looking at the new technology in front of us,

Chen Nuo's eyes lit up.

Anti-skid and anti-freeze devices…

This is simply a device for sending charcoal in a timely manner.

You know, when the temperature drops to minus 100 degrees, the ground outside will be covered with ice, and if this anti-slip device is installed on the black skins, then it is okay to let them go out to help find materials.

Not only that, this antifreeze device can also make Heipi and other Autobots have a little antifreeze ability in the environment of minus one hundred degrees.

As for the battle yacht, although this is not bad, Chen Nuo has no idea for the time being.

After all, he doesn't need water supplies right now.

As for the dark metal, this one moved Chen Nuo the most.

You know, apart from tanks, the defense of other robots can be said to be like paper.

And this dark metal is obviously something that can enhance their defense.

"It's just that this dark metal is too expensive, ten energy crystals can make one catty..." Chen Nuo pondered.

Indeed, it is too expensive.

You know, the size of a car is estimated to require hundreds of catties of dark metal to make.

Calculated in this way, one hundred catties of dark metal needs one thousand energy crystals.

And 1,000 energy spars need 10,000 upgrade points!

"However, although this amount is terrifying, dark metal is something that black skins must necessarily need." Chen Nuo secretly analyzed.

After all, if human beings accidentally discovered his secret, it would not be too easy to deal with the current Chen Nuo with the weapons in human hands.

"Scientific research, how much iron do I have left?" Chen Nuo asked after thinking about it.

"32.6 catties!" The researcher answered accurately and quickly.

Hearing this, Chen Nuo's face darkened.

"It seems that we have to go out and collect materials on a large scale tomorrow." He thought to himself, and then returned to the first floor.

Now, Chen Nuo can only choose not to make anti-skid and anti-freeze devices for the time being.

After all, the third wave of disasters has not yet begun, and his materials are not sufficient.

"System, I want to use 5,000 upgrade points to buy energy spars, just put them in the material warehouse of the scientific research base for me."

However, although these two devices are not being made now, the materials must be prepared first.

"Ding, you spent 5,000 upgrade points to buy 500 energy spars! Now put them into the material warehouse of the scientific research base!"

Following the system's notification sound, Chen Nuo had already arrived at the first floor.

10:34.

Looking up at the time, Chen Nuo turned on the computer, ready to check the situation outside.

However, because the disaster had just ended and the damaged system hadn't been fully restored, Chen Nuo couldn't see the current related videos at all.

However, because the signal was not damaged during the disaster, some people's comments also surfaced on major social platforms.

Click on the circle of friends on wechat, and the circle of friends of his friends has been updated in the past few days, and the update is still very busy.

Not only that, some groups are also very lively.

Regarding this, Chen Nuo simply looked at it.

After all, the circle of friends and comments posted by these people cannot fully show the outside situation.

Therefore, Chen Nuo didn't pay much attention to these comments.

Looking at the time when it was nearly eleven o'clock, Chen Nuo decided to go to bed.淗攮攮

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