Chapter 17 Upgrade the Refuge Again

"I didn't expect you to know these things."

Jack was surprised. He didn't expect that the woman would be so good at working.

Jera had done every step in an orderly and methodical way.

"It's just a piece of cake. I'll take care of these kinds of simple things in the future. It's nothing compared to the experiment projects I did in the lab before."

Jera clapped her hands and naturally stretched herself.

Her perfect figure was shown in Jack's eyes again.

Jack felt a little dizzy and quickly turned his head away.

"I'm going to bed. You two enjoy yourselves."

After stretching herself, Jera went straight to the guest room prepared by Jack, then she closed the door.

Jack checked the time. It was only nine o'clock in the evening and it was still early. He and Tom couldn't sleep now.

Tom lay down on the sofa again and continued watching Silent Place after Jera went back to her room.

After thinking for a long time, Jack began to work again. He hadn't studied the Doomsday Survival System for a long time.

After three people lived, he felt that the space was not enough.

Now he had to expand it again.

After completing the task, Jack's survival points increased from 3,800 to 6,800.

Now that he had a huge amount of points, he would like to enjoy the pleasure of consumption.

"First expand the area by 300 square meters and increase the height by three meters."

Jack said to the system after thinking for a while.

"Master, now begin the upgrade of the refuge space."

"Upgrade cost a total of 1,200 survival points."

"5600 points will remain after upgrading."

"The expansion has been completed."

"The data of the Refuge has been updated to the latest."

"Refuge."

"Owner: Jack Dawson."

"Area: 600 square meters."

"Defensive Level: Lv. 6"

"Reserve of Materials: Abundant"

"System Hint: The layout of this refuge is varied and very reasonable. The space is very wide, and the defense material of the building is excellent. The defense system is strong and perfect. At present, it can resist the invasion of the doomsday disaster at the medium level."

With a random flash of white light in the refuge, the next second, the refuge was completely strengthened and the upgrade was completed.

After being upgraded, a two-story building appeared, and the area seemed to have increased a lot.

The goods and materials in disorder were also classified by the system and put in different storage boxes.

The new second floor was decorated simply. Now it was empty and hadn't been used.

Jack thought for a while and felt that the Scientific Research Center on the first floor was not secret enough.

The Scientific Research Center was the most important part of the refuge, so it's not appropriate to place it at the door.

So he asked the system to move the whole Scientific Research Center to the second floor.

The second floor appeared, and 2/3 of the refuge appeared on the ground.

Before long, Jack's refuge might reach the ground.

But it was just one step for Jack to change.

He still had a lot of things to upgrade.

The first thing Jack thought of was the gate. After upgrading the material, Jack didn't pay attention to it anymore.

However, the cold wave was coming, and the single layer of the titanium alloy fire-resisting insulation door was not enough now.

Jack was going to upgrade it once again.

"Titanium alloy fire-resisting insulation door (with lifting system)"

"Upgrade Direction:"

"1. Double-layer titanium alloy fire-resisting and insulation door (with lifting system), survival points: 800."

"2. Double-layer titanium alloy fire-resisting and insulation door (with lifting system and a temperature system), survival points: 1,600."

Without hesitation, Jack chose the second one.

When he chose, the gate of the refuge instantly became more than twice as thick.

Moreover, the temperature in the refuge instantly increased a lot, and the cold wind that had been blowing in from the outside directly stopped.

"It's so warm." Jack took off his thick cotton jacket and lay on the ground beside the newly double-layer titanium alloy fire-resisting and insulation door.

A warm stream of air immediately slapped his body.

Jack still had 4,000 survival points, so he planned to use them all at once.

He looked at the weather on the large screen.

The black rain clouds became more and more obvious. They covered a large area of the sky and almost clung to the ground!

Jack knew that there would be really heavy rain tonight. It seemed that the disaster of the cold wave would arrive a day earlier.

Jack's refuge was still under the ground.

The water flowed down.

The whole refuge might be drowned after the rainstorm.

The power of rain was much stronger than it looked!

Sometimes, the destructive power of explosions and flames couldn't compete with rain.

Jack immediately began to inquire the system about the developed drain system in the refuge.

"Drain system"

"Upgrade direction:"

"1. Drain system, survival system: 500."

2. Groundwater circulation system, survival points: 1,000."

The name of the groundwater circulation system was more advanced and looked very reliable.

Jack directly used 1,000 survival points to build the groundwater circulation system.

After using the survival points, Jack soon felt some movement under his feet.

The system was making a man-made super powerful water circulation.

All dirty water would turn into clean water under the circulation system.

And the water could be directly used by them in the refuge.

Now they didn't need to save the water carefully.

After creating this water circulation system, the water resources that could be used in the refuge had almost become limitless!

It was like a reservoir that was not affected by any season.

After the rainstorm, the whole world would be frozen.

At that time, water resources would become the rarest thing, and countless refugees would die of thirst because of lack of water!

The drain system was perfect. It was value for money!