"Eh?"

After hearing Ai's suggestion, Chen Mang raised an eyebrow suddenly: "Ai, I discovered you seem to have a capitalist undertone, those are still our residents, how could you directly use them as consumables?"

"That's not right."

"Making them mine in their dreams at night is just overtime work."

"That's not treating them as people."

"..."

After a long silence, Ai's voice came from within the train: "Train Captain, an AI starts with no undertone at all, any undertones are subtly influenced by the Train Captain."

"Then please try to learn more of my good side next time."

"Okay."

"But your plan is worth considering, although using residents is inappropriate, dream mining doesn't require voluntary action, it's a forced behavior, so captured enemies, including residents who make mistakes, can just be thrown in."

...

Chen Mang was in a good mood and happy to chat a bit more with Ai.

Currently, the train has a total iron ore of —

267.13 million units of iron ore!

Nearly 300 million!

The iron ore stockpile of the Fixed Star has reached a peak, and with so much iron ore, his armor can be upgraded again, giving him more confidence when venturing into the red zone.

The trains in the red zone are truly terrifying...

Three consecutive major crisis events, yet none of the trains were destroyed. Each has its own unique skills, making their foundation evident in a crisis.

Their firepower was so strong it was frightening!

Their train defenses might not seem high, but the firepower is indeed fierce...

Upgrade!

His current train is Level 13, and the armor is Level 15.

Going from Level 14 to Level 15, one carriage costs 5 million.

And going from Level 15 to Level 16, one carriage costs 10 million units of iron ore.

With 16 carriages in total, with half consumption, that comes to 80 million units of iron ore.

When the 80 million units of iron ore turned to dust and integrated into the carriages, the armor level reached 16!

Level 16 armor, in position!

The purple zone, "Stone Man Zone," has its highest level monsters at Level 15, while his armor has already reached Level 16, so in that respect, the armor level is already overqualified.

But that's not enough.

He still needs Level 17 armor, still having plenty of iron ore, so continue upgrading!

Going from Level 16 to Level 17, one carriage costs 20 million units of iron ore, with 16 carriages in total, that's 160 million units of iron ore.

Upgrade!

The 160 million units of iron ore inside the train again turned to dust and integrated into the carriages, as streaks of white light flashed by, the train armor reached Level 17.

Up two levels in one go!

Another level up, and he could pretty much walk horizontally when facing monsters in the red zone, but he still needs to be careful around other trains, as those possess higher-level weapons...

...

"Not bad."

In space, Chen Mang stood not far from the Fixed Star, looking at this train he put considerable effort into building, grinning with satisfaction.

When the armor reached Level 17, the appearance changed slightly.

Still entirely matte black, but appeared even heavier, when compared with those Level 3 armors, the difference was clear!

Quite good.

The only bit that's a bit disappointing is...

Damn, this armor upgrade required way too much material!

Just two upgrades, and it took 240 million units of iron ore!

With so much iron ore, it's equivalent to how many days' turnover of Neon City, he was just thinking about how to spend nearly 300 million units of iron ore extravagantly, and before doing anything, he's left with just 27.13 million units.

Almost back to being poor.

"Sigh."

Chen Mang sighed deeply, it's a long-term burden, no wonder that Level 18 train was so despairing upon hearing that a Level 100 train is needed to truly survive in Doomsday.

How could one not despair?

Thinking about the materials needed to reach a Level 100 train, he's already in despair just considering it.

The figure of a Level 100 train was something Qi nonsensically made up, Qi doesn't know the answer either and just randomly said it, but he feels that this Level 100 might not even be the limit; of course, a train of this level can survive Doomsday, but to freely soar across the universe it's not enough.

After all, a juvenile A-Class Stellar Giant Beast, upon maturity, is already Level 120. A Level 100 train doesn't even stand a chance against it...

...

Chen Mang returned to the train cabin and looked at the upgrade conditions for a Level 14 train, getting ready to start upgrading again.

-

"Upgrade Conditions": Consume 50,000 units of Level 3 iron ore, require all add-ons within the carriage to exceed Level 240, have more than 500 survivors, and have killed a Level 14 monster.

-

He satisfied all the conditions.

When he first arrived at the Stone Man Zone, the rabbits were all killed, there were quite a few Level 14 monsters in there.

Worth mentioning is.

There are no more Red-skinned Rabbits in the Stone Man Zone now, not even Level 1 rabbits, the rabbits were so united, crossing mountains and rivers to chase him, but sometimes being too unified isn't a good thing, if they weren't this unified, they could at least have left a seed.

They wouldn't have been slaughtered to extinction, not even leaving a seed behind.

After consuming 5 million units of iron ore.

A line of text appeared on the control panel screen.

-

"Your train has upgraded to Level 14."

"More customizable add-ons unlocked."

-

"Oh?"

Chen Mang looked thoughtfully at the new function that appeared on the control panel; aside from a few stumbling blocks, until now every train upgrade has come with an additional new feature.

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