Why could he sell a Murphy Stone for 1.88 million units of iron ore?

There were two major factors.

One was Er Dan's source of information, and the other was that he wasn't urgently in need of this 2 million units of iron ore, so he was patient and not anxious, and didn't place too much importance on this transaction.

If it were him at Tieling Wasteland, perhaps as soon as the other party offered a price of 1 million units of iron ore, he would be tempted and wouldn't dare haggle further, fearing that the other party might cancel the deal.

This confidence provides a great psychological advantage in transactions and can lead to unexpectedly earning some money he wasn't planning to make.

Just then—

He also received a message from Er Dan. As expected, it was indeed that train that bought his Murphy Stone. That train had begun large-scale mining of Level 4 iron ore, and according to Er Dan, you could see through the window that the Train Captain inside the train room was very excited.

Could he not be excited...

Even in "Crisis Valley," Level 4 iron ore is not everywhere!

It's equivalent to a rare mineral.

A Level 4 iron ore equals 10 million units of iron ore—who wouldn't be excited at the sight of it?

"Nice."

Chen Mang couldn't help but smile. Quite interesting, and then he continued to look at other components, spending a little more, several million, leaving about ten million to keep for train upgrades and train expansion, along with future armor upgrades.

Hmm...

"Fire Control Built-in System," a green-grade component.

After consuming 1.07 million units of iron ore, it was directly upgraded from Level 10 to Level 100.

After all, with more train residents, the deterrent effect of 10 heavy machine guns was insufficient, so adding more, with 100 almost enough, and also the "Space Stasis," a purple-grade component, which although he never used, he always felt it might one day come in handy if some monster breaks through the armor and gets inside the train.

At that moment, a space stasis.

Direct pinpoint shooting.

The iron ore consumption wasn't much; it's just that he seemed to overlook one issue, which is that currently, the train hasn't been expanded, and there isn't enough ceiling space for so many heavy machine guns—100 is indeed a bit too much.

Especially in the train room.

But soon he realized.

The position of these heavy machine guns can be customized, meaning if a carriage has a "Gate of Space," the heavy machine guns can be installed in the Gate of Space.

This is great.

He left a circle of heavy machine guns on the ceiling of the train room and built a Gate of Space in the train room wall, stuffing the remaining 80 heavy machine guns inside the Gate of Space in the train room.

Perfect.

The same goes for carriages 8 and 9.

Each side of every carriage has 2 Gates of Space, a total of 8.

Each Gate of Space installs 20 heavy machine guns; the remaining are embedded in the ceiling, ensuring absolute control even within the Gate of Space.

As for the remaining Guard Carriage and high-talent carriages...

They are all installed in default positions, on the ceiling.

As for "Earth-Burst Missile," which requires liftable carriages, the heavy machine guns are all installed in corners on both sides that don't affect lifting.

The Constant Star Train currently has 15 carriages, one train head.

10 Doomsday Cannons externally, with very strong firepower.

Internally, 1600 heavy machine guns, with even stronger firepower.

And once upgraded to Level 100, gained three supermodel effects.

-

"Built-in Fire Control System Level 20 Supermodel Effect": Ammo consumption halved.

"Built-in Fire Control System Level 50 Supermodel Effect": Penetration strengthened.

"Built-in Fire Control System Level 100 Supermodel Effect": Fire rate increased.

-

This component's Level 5 and Level 10 supermodel effects allow firing of blank bullets and nerve bullets, mainly for maintaining train order.

"Not bad."

Chen Mang looked at the information on the train control panel screen, smiling as he looked at other components again, even feeling a bit of anticipation for some unknown monster to board his train, expecting the opponent to think they finally reached the train's weakest inside point, only to look up and see the heavy machine guns in his train.

While still in shock, he'd use space stasis for direct targeted strikes!

Whoever comes will die.

If the king himself arrives, they still have to light three incense sticks before leaving!

...

Inside Carriage 5, Female High-Talent Carriage.

"..."

Yan Yao looked a bit dazed, looking up at the densely packed heavy machine guns on the carriage ceiling, almost covering every corner. After counting for a long time, she murmured, "Chuchu, there are just the two of us right now in this carriage, aren't 100 a bit much..."

"It is a bit..."

Ji Chuchu sat by the window, with some boredom and an absent-minded expression, "But that's not important, what's important is that Master Mang seems to have forgotten me, hasn't come looking for me in a long time."

"Seems like it."

...

In Carriage 7, Guard Carriage.

"Yeah." Biaozi nodded with pride: "Master Mang really thought it through well. With the increase in residents, the original 10 heavy machine guns internally on the train were indeed insufficient, 100 is just right."

"The only thing that puzzles me is..."

"I remember this component, it upgrades to a certain level, and then the number of machine guns in the carriage is determined by this level, so how high must it be upgraded for 100 guns."

"Can't you calculate such simple math?" Old Pig glanced at Biaozi.

"It's not that I can't calculate, I just don't dare."

...

Inside Carriage 15, Breeding Carriage.

"This has nothing to do with me, right?"

Squatting on the ground, holding a train blade and dissecting a female zombie, Mr. Li, a bit dazed, looked up at the 100 heavy machine guns overhead: "Should be in every carriage, right? It couldn't have been made just to prevent a zombie riot."

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