Although no one knows each other's identity, those who can live in an apartment building in the Buffer Zone are either wealthy or noble.

Seeing Cheng Ye buy so many materials, the other residents on the fifth floor poked their heads out, panic-stricken.

"Little brother, where did you buy these?"

Someone came over to ask, and Cheng Ye pointed toward the direction of the pedestrian street outside the window, "The flea market. Hurry and grab some, if you're late, there won't be a scrap left."

"Grab?"

"What else? The Infected Bodies are mixed in, do you think this metal door can hold them back?"

Cheng Ye kicked the cracked hinge on the ground, and the aunt who asked the question turned pale instantly, and several middle-aged people who gathered around were also startled.

Within less than five minutes, a chaotic sound of footsteps echoed in the corridor.

People from every household carried bags to grab goods, and soon, footsteps echoed downstairs as well.

Cheng Ye poked his head out for a look and, well, the entire electronics factory community was in an uproar.

Despite many people having reinforced their doors and windows earlier, seeing this situation, who could resist rushing to grab goods?

"In a way, Station Chief He Fei is promoting consumption, isn't he?"

What a hellish joke.

Cheng Ye was slightly stunned but quickly understood the reason.

After going out in the morning, he learned that although Inspectors can filter out 99% of the Infected Body threats, there are always some that slip through in the Buffer Zone.

It's rarely humans who get infected; rather, infection sources are brought in, causing internal infections.

This occurs especially frequently in the spring and winter, typically exploding every one or two weeks.

In the summer and fall, it varies, sometimes occurring several times a year and other times allowing a whole year of peace.

But this time, the reason for such uproar, with everyone panic-buying, lies in the sacrifice of the station chief.

The last time a station chief sacrificed themselves was 13 years ago.

The constantly infiltrating Infected Bodies caused a riot that lasted over three months, resulting in over ten thousand deaths.

If you include those who escaped during the chaos, the Buffer Zone population was reduced by almost 40%, suffering a great blow.

Now with He Fei's sacrifice, it's inevitable that old matters are brought up again, linking the two events together.

Moreover, Infected Body activities have frequently occurred since the beginning of the year, with natural disasters often striking as well. These signs intertwine, causing fear to rise in anyone's heart.

After everyone was gone, Cheng Ye took a tour of the corridor, returned to his door, and began muttering.

"Reinforce the door, reinforce the door, reinforce..."

Allowing the thought of the Collector to spread, searching through the materials on the ground for a course of action.

A flash of scanning blue light appeared.

A panel automatically popped up, displaying joyful words.

[Ramshackle Residence (lv.0)]

[Description]: A ramshackle residence with only basic living functions and a defense factor of zero.

[Course of Action]:

1. Basic Reinforcement (Strengthen door and window frames, fill wall cracks to provide basic defense strength)

Estimated Action Points Cost: 1 (Sufficient materials and tools obtained, points consumption decreased)

2. Advanced Reinforcement (Perfect utilization of all materials, reconstruct door frame using alloy support structure, install staggered gratings on windows, greatly enhancing defense ability, can withstand ordinary Infected Body attacks)

Estimated Action Points Cost: 2 (Sufficient materials and tools obtained, skill check passed, points consumption decreased)

3. Perfect Reinforcement (Modify structure, implant Isolation Alloy frame, install pressure-sensitive sealed cabin door, providing basic shelter attributes, can withstand common Infected Body attacks)

Estimated Action Points Cost: Locked (Prerequisites: Materials; Engineering Machinery)

[Please choose a course of action, Collector!]

...

"Skill check passed, which means... my engineering knowledge is sufficient."

Cheng Ye was greatly surprised.

Although civil engineering has become a fringe major in modern times, it has significant effects in the Wasteland.

For example, now, even the highest difficulty of the perfect modification can be met; only materials and engineering machinery are needed.

"But modifying the framework is still too monstrous. The foundation of the apartment building lies here, having this ability is enough for me to go out and build one, and the Action Points required would likely be massive."

Without much hesitation, Cheng Ye decided on course of action number two.

With just one additional Action Point, it can maximize material utilization, and directly state that it can withstand ordinary Infected Body attacks.

It's too worthwhile!

With a single thought.

The magical time-stop space reappeared, and as body control vanished, Cheng Ye's perspective suddenly elevated.

In the magical third-person view, it was like speeding up a hundred times. The dilapidated door frame was quickly cleared, and the cracks and hollow gaps in the walls were filled with a special adhesive compound.

Next, expansion bolts were implanted at intervals around the brick wall, serving as fixation points for alloy pipes.

Four high-strength alloy tubes were installed along the top, bottom, left, and right of the doorway, with each node injected with a special adhesive.

Using a lighter to ignite, a smoke plume rose, welding the alloy tubes into an integrated door frame using angle brackets.

The once shaky and rusted door frame was reborn during the reconstruction, and the heavy security door that required two people to lift was installed in a blink of Cheng Ye's eye.

After handling the entrance, the body swiftly moved to the window. Steel bars of different lengths interlocked at a 45-degree angle, weaving a diamond grid, somewhat resembling modern security windows.

The end of each steel bar was embedded into the wall, and connected to the building's main structure with expansion bolts.

[Action Complete!]

...

The mysterious feeling withdrew.

Cheng Ye only felt a flash of light and shadow before his eyes, the materials on the ground vanished completely, replaced by a thick security door standing in front of him.

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