The effect of the Mechanical Fortress is this.

After pressing the button on the control panel, the train will form a circle from start to finish, anchoring itself to the ground for 24 hours. During this time, all "defensive accessories" will automatically upgrade by 1 level, and all "firepower accessories" will have their consumption halved.

However, the downside is that during these 24 hours, the train cannot move and must remain in place.

If he activates this effect, the "armor" would become level 14!

But this function had never been used in a scenario before, and even Master Shen didn't get a chance to use it that day. But even if it had been used, it would have been pointless, as the level 13 shells crushed everything.

After this train expansion!

The iron ore units inside the train have been depleted again!

Almost empty.

With only 155,000 units of iron ore left, it's like returning to poverty.

He clearly remembered earning a lot of iron ore during this time, but suddenly it's back to zero...

"..."

Inside the train cabin.

Chen Mang's eyebrows furrow slightly. He can't take the usual path any longer. Last night, he searched the wasteland for a whole night and still didn't find any level 4 iron ore. If he searches another night, the result will likely be the same.

Once other trains discover level 4 iron ore, they almost always mine it, leaving nothing for any fortunate ones that come later.

Discovering a newly refreshed or newly born level 4 iron ore is quite difficult.

Although the "Pickaxe Production Line" is only a green-grade component and can only be upgraded to level 3, this is still the blue zone, and the trains here are considered advanced in the post-apocalyptic world. Obtaining a few Murphy Stones isn't impossible.

He must take an unconventional path.

Tonight, he will venture through the "Train Tunnel" to the ruins of Mechanical City in the Red Zone, taking an unconventional path!

Once all the residents climb into the Resident Carriage via the ladder, the Fixed Star train slowly starts up.

Chen Mang doesn't immediately activate the Drill.

Instead, he slowly pushes the control lever, sits in the driver's cabin, and overlooks the ground ahead, feeling the train under him gradually accelerate. The powerful push-back force gradually excites him.

At this moment, the feel of controlling the Fixed Star is completely different from before!

An overlooking perspective!

The train cabin is vast, and the train itself resembles a steel dragon!

It makes him feel as if he's driving a steel dragon racing across the wasteland. He slowly pushes the control lever to the maximum, heading towards the Corpse Tide seen 30,000 meters away on the Target Detection Radar!

30,000 meters!

Instantly reached!

Chen Mang sits in the train cabin, looks at the highest level 9 Corpse Tide, and drives the train straight into it without slowing down!

"Boom boom boom..."

Countless zombies are knocked into the air, fragmented, the Fixed Star train crushes the entire Corpse Tide representing the doomsday, completely disregarding.

Months ago, he had several close brushes with death at the hands of the Corpse Tide.

Months later, it's the Corpse Tide that nearly perished at his hands.

"Awesome!"

After ramming back and forth four or five times, almost the entire Corpse Tide was pulverized. The Wind-Fire Wheel is now taller than a person; the carriage is indeed 10 meters high, but there's nearly a two-meter gap above the opposite side as well.

No longer can the train wheels be jammed by the Corpse Tide, rendering the train immobile like before.

It now rides right over the Corpse Tide's heads.

The current Fixed Star train.

To say it's a behemoth would not be an exaggeration at all!

...

A short while later.

Chen Mang, still not satisfied, decides not to waste more time. Instead, he extends the Drill, which starts to spin at high speed. The "spider legs" also extend, lifting the carriage and tilting the train's nose down, allowing the Drill to start boring into the ground!

The Drill is enormous!

Nearly the width of the carriage, if not slightly wider.

After the train expansion, he discovered that many components, including the "spider legs," had also expanded. Even when large, these components have become even larger after expansion.

Looking out the window.

The enormous spider legs filled with a mechanical sci-fi feel appear intimidating and oppressive at a glance.

To be honest.

If he had such a train when Doomsday first descended, this train would look more like the symbol of Doomsday than the zombies. The origin of Doomsday would be him.

"Buzz buzz buzz..."

With the rapid rotation of the Drill.

In no time, the train drives further underground, directly heading towards the hole drilled out during the last Train Tunnel exploration. The hole back then was too small, but no matter; enlarging it will do.

Perhaps due to the train's enormous size.

He notices that the train consumes more energy to travel, and it's a bit slower both underground and aboveground by about a third, which is no small reduction.

Clearly.

This is a crossroad where a choice must be made between speed and size.

He opted for size, as for speed...

Let it slow down if it must; it doesn't matter. If he gathers sufficient iron ore, he can upgrade the Wind-Fire Wheel and other speed-enhancing components as a whole, making speed skyrocket once more!

The reduction in numbers doesn't affect him too much. As long as the component upgrade can increase the numbers, it's like there's no reduction.

A reduction in mechanism, on the other hand, that would be catastrophic for him.

It's worth noting—

The blade attachment is now completely useless against ordinary zombies. With the height already close to three meters above the ground, shorter monsters can only feel a chilling sensation above their heads with no effect whatsoever.

Very soon!

The train reaches the entrance of the Train Tunnel and finds the hole it previously drilled out without hesitation, and the massive Drill plunges into the tunnel once more, spinning swiftly.

The Fixed Star train enters the Train Tunnel smoothly again, and Bunny Cloud wheels switch out, causing the train to hover in mid-air.

"It seems like it's about to collapse..."

Inside the train cabin.

Chen Mang looks back at the mound of soil falling like a waterfall. The ground already had quite a bit of soil from previous drilling that fell through, but the hole wasn't very large back then and quickly got blocked by the soil again.

And now...

The hole seems a bit larger and doesn't seem to block anymore.

It spills down like diarrhea.

After a few minutes of falling, a small mountain of soil has accumulated inside the Train Tunnel, but the hole has been blocked again and is no longer falling.

It's not the soil itself blocking it, but rather the solution provided by the Fixed Star. The solution is simple.

He made seven or eight oversized band-aids and had Zhang Yi and Zhang Er fly out in their mechas and use those band-aids to seal the hole.

Not bad.

These band-aids are quite sturdy, worthy of being made from iron ore. They're durable!

The band-aids can't bear this much soil falling. Still, as long as they offer some support, the soil will naturally block the hole, though how long it will last is unknown. But so be it.

...

"See that?"

Mr. Li points to the large band-aids blocking the hole outside the window: "When I graduated and went to work as a safety officer, I had to go through extra training due to this kind of shoddy construction."

After the train expansion.

Every carriage now has windows, and they're all floor-to-ceiling types, stretching from bottom to top.

Immersion maxed out.

Currently, the train is gradually transforming into... the appearance of a space train, and regular trains shouldn't have floor-to-ceiling windows like this.

Alright, let's not talk about what a normal train should have.

In reality, a normal train shouldn't have any of the components present on the Fixed Star train.

"The train has changed so much."

A male student who has been following Mr. Li remarks as he gazes at the scene before him: "It's been such a short time, and the train has transformed from what it used to be to what it is now. Mr. Li, do you remember when the Fixed Star only had a bare engine head at the beginning?"

"Although the immersion is quite strong."

"But it somehow feels a bit dangerous."

"What are you scared of? Master Mang said that the glass and armor share the same defense level; it's considered black technology."

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