Inside the Shelter.

Lin Yi checked the interior of the bunker.

The underground first floor of the bunker is a Level 5 warehouse, valued at 50,000 coins, with an internal area of 300,000 yards each.

The second underground floor is almost empty, with only a bathroom, kitchen, and a lot of idle space.

If evacuation is required due to a threat, people can be accommodated here.

The third underground floor was given to Louis and the professor, featuring an expanded laboratory, a testing area, several small warehouses, and various workshops.

There is also a plan to build an Alchemy Workshop here.

The fourth underground floor houses the bioreactor.

Currently, there are eight bioreactors, which cost him 44,000 coins.

But since the reactors take up very little space, Lin Yi also decided to place water tanks and fuel tanks there.

A Second Level refrigerator can hold 100 tons, while a Fourth Level refrigerator can hold 500 tons.

Despite its high price of 78,900 coins, Lin Yi ultimately purchased it.

The other six floors are still empty, reserved for future use.

The above-ground floors and underground floors are similar, with only a small portion in use.

The first ten above-ground floors have been reinforced.

According to calculations, these floors should be able to withstand a ballistic missile attack.

The first two floors are planned as the last line of defense.

In case of a threat, walls will pop up from the floor, forming a maze. There are also many machine gun nests and barricades, but these will only be used in a "tower defense" situation.

In peacetime, the first floor has four entrances leading to sixteen elevators in the middle of the building, where there's also a spiral staircase.

The second floor is the location of the patrol and reconnaissance headquarters.

This floor has also been reinforced, after all, it is the only floor accessible by staircase.

Because all floors above the second floor are sealed off with thick barriers.

The third floor will become a Manufacturing Center, with a Weapon Smith Workshop and ammunition manufacturing facilities.

The hospital occupies the entire fourth and fifth floors, and the sixth floor has a comfortable recovery center.

This is precisely the place soldiers have long dreamed of, complete with karaoke, saunas, swimming pools, bars, massage beds, and more.

Professor Mark has confirmed that when people relax, Magic Power is restored more quickly.

So the design purpose of this recovery center is to allow people to relax as much as possible.

Moreover, the Space-Time Filter on the third floor will help people recover their Magic Power at several times the speed.

Although there is no exact data, it seems to increase the Magic Power recovery speed by about three times.

All service departments of the shelter have moved into the castle, including the "Celestial Eye" team.

They now have their spacious rooms, and the personnel will increase to thirty in the future.

However, the name "Celestial Eye" sounds too awful, so the girls convinced the boss to come up with a better name.

They are now officially called the Intelligence Department!

The local network and servers have also been moved into the castle, and Lin Yi has started preparing to build telephone lines and wireless networks for the entire shelter.

Inspired by Lille, Lin Yi established an organization to handle the internal affairs of the shelter.

They will be responsible for cleaning work, allocation of manpower and resources, social welfare, punishment for violations, etc.

There is a small parking lot in front of the castle.

The entire building is surrounded by a towering forty-meter-high wall for defense. In a disaster, this will be humanity's last fortress.

When constructing this wall, Lin Yi assumed all other parts of the shelter were crowded with zombies.

But zombies cannot possibly build a forty-meter-high zombie wall, so at that time, they only need to worry about killing the jumping zombies.

But this is the job of the mages and archers, not the infantry.

In front of the wall is a five-meter-deep, ten-meter-wide concrete moat.

Every ten meters, there is a hatch that, when pressed, releases a powerful current into the water.

This brilliant idea was devised by Louis, with countless efforts by Natasha.

The moat surrounding the shelter's outer wall also has the same function. However, both moats are empty because there is nothing to fill them.

But Lin Yi is already working on solving this issue.

Immanuel plans to draw water from Lille's river.

They will borrow vehicles equipped with water pumps from Lille, slowly fill the water tanks, and then pour the water from the tanks into the moat.

Of course, the shelter must keep the water level at a certain height, as the water will gradually evaporate...

Next is the construction of the new community.

Lin Yi has built six apartment buildings.

Natasha calls them "communal apartments," with each building having 140 one-bedroom apartments.

Additionally, there are thirty multi-room apartment buildings, which Natasha calls "Brezhnev Buildings!"

Because the design of this architecture was inspired by the apartment buildings constructed during the Brezhnev era in the Soviet Union.

They estimate that in the "Brezhnev Buildings," each apartment will have an average occupancy of 2.5 people.

The cost per building of "communal apartments" is not expensive, only 10,000 coins. "Brezhnev Buildings" cost 15,000 coins each.

The new buildings have cost over 510,000 coins in total, roughly 100,000 coins less than Lin Yi anticipated.

Thanks to a significant amount of resources, Lin Yi saved a lot of coins, but it is still a large sum of money...

Now the total residential space of the shelter can accommodate 10,840 people.

The elves currently live under difficult conditions, still resting and wandering in the woods.

The beastmen stayed in their encampment, not used to living in apartments, preferring a life close to the land.

Currently, the population of the Shelter is—

553 beastmen, 631 elves, 1,472 African-American residents from the underground shelter, and 5,069 humans considered original inhabitants of the Shelter.

In total, excluding new residents from Lille, there are 7,705 sentient beings in the Shelter.

This time, Lin Yi spent over 1.5 million coins, but he's not worried because he still has 200,000 coins left, and Lille will conduct routine food procurement later that day.

After completing this crucial task, Lin Yi issued some commands and then transported to the third floor of the castle.

[Fourth Level Workshop]

You can use this item in conjunction with manufacturing equipment to create a workshop—thereby significantly increasing production efficiency.

To create a workshop, you need at least three pieces of equipment and an enclosed space.

[The size of the space depends on the size of the equipment]

Currently, the Shelter has three workshops not yet constructed, along with eleven workbenches, four small workbenches, four alchemy workbenches, and seven recovery beds.

Lin Yi has already determined the sizes of these three workshops, so the rooms are ready.

He first set about constructing the Weapon Smith Workshop.

The operation was somewhat cumbersome.

He had to stand in the space where the workshop would be constructed, combining the workshop cube with a pile of workbenches and small workbenches.

Once the cube was assembled, Lin Yi saw a visualization of the finished construction.

Initially, the Shelter prompted him that the space was too large, but after adding the sixth workbench, the image of the future workshop finally appeared.

Three of the workbenches were placed on three sides of a square, with a small pedestal in the middle, while the other workbenches were installed against the walls.

The ninth workbench was located in the center of the room, with four workstations slightly separated from each other. The pedestal was replaced by a white circular platform.

After the workshop was constructed, the positions of the workbenches did not change much, but four pedestals appeared, which are small workbenches.

Of course, this is just the basic version.

Once the number of components was determined, Lin Yi could choose to use the expanded customization menu.

He was able to modify the equipment and found many different variants.

[Small Material Station]

Allows users to automatically manufacture materials. It has an internal magic battery that recharges automatically.

Note: If this device is located within the Shelter, magic recovery rate will increase to 20 magic power per hour.

Attributes: Total Magic Power: 400 points, Magic Recovery: 5 points per hour, Material Production Quantity: 8 pieces.

Price: 1 small workbench, 2,000 coins, 1 second-level energy core.

[Manufacturing Center]

Allows users to use blueprints to automatically produce ammunition and items. It is very energy-efficient, has a good manufacturing cycle, and contains an internal magic battery that recharges automatically.

Note: If the device is located within the Shelter, the magic recovery rate will increase to 100 magic power per hour.

Attributes: Total Magic Power: 2,000 points, Magic Recovery: 25 points per hour, Production Capacity: 50.

Price: 1 small workbench, 30,000 coins, 10 third-level energy cores.

[Space-Time Magic Source]

This device provides magic power to the workshop from the Sea of Space-Time. It also increases the magic recovery rate for all devices and users by 500%.

Note: It can only be installed in space-time facilities.

[Price: 1 Space-Time Filter, 100,000 coins]

Lin Yi really wanted this device, but it can only be used in one workshop at a time...

But he found other alternatives.

[Magic Reactor]

This device generates magic power from energy cores and the surrounding environment.

It combines all users and devices into a single system, optimizing magic consumption and reducing magic consumption by 20%.

The initial battery charge is 8,000 magic power, with a magic recovery rate of 200 magic power per hour. Additional energy cores will increase its efficiency.

Price: 1 fourth-level core, 160,000 coins.

[Upgrade Production Station]

This device combines eight workbenches into a single system—

When there are two users, efficiency increases by 30%;

When there are three users, it increases by 50%;

When there are four users, it increases by 60%;

When there are five users, it increases by 65%;

When there are six users, it increases by 70%;

When there are seven users, it increases by 75%;

When there are eight users, it increases by 80%.

Each user reduces magic consumption by 5%.

Note: Regardless of the number of users, this device can only produce one piece of equipment at a time.

[Price: 8 workbenches, 20,000 coins]

He doesn't have much money left, but it's enough for all the modifications he wants to make.

Now there are eight workbenches in the center of the workshop, with a large circular platform in the middle, big enough to accommodate a vehicle.

The workbenches underwent significant changes, with fewer buttons now and smaller workspaces.

The magic reactor is placed in the center of the east wall, and it looks like a water tank rather than a reactor. On the device, there is a small control panel the size of a tablet, allowing people to interact with it...

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