At this time, waking up has completely reversed the jet lag.

But that's how it is.

Outside the window, the sound of the "Doomsday Cannon" roaring can be heard from time to time, and the Target Detection Radar shows thousands of red dots, with hundreds of monsters attacking them.

Some high-level monsters were cleaned up by the Doomsday Cannon.

Low-level monsters.

Were handled by the team led by Biaozi along with the third team led by its captain.

They're almost mad with the battle.

The number of monsters is simply too much, causing a need to stop the train and confront the monsters head-on if one wants to mine peacefully, which is stressful.

Should a zombie slip through and rush into the residential area, it would cause chaos and casualties.

It's a troublesome situation.

If everyone rushes back to the train, it could result in a large-scale stampede accident.

"... Phew."

Chen Mang jumped off the train, stretched his limbs, and then lit a cigarette, standing beside the train looking at the distant starry sky, dazing like that, doing nothing.

His eyes were unfocused.

From the corner of his eyes, he could see Zhang Yi and Zhang Er controlling the "Thunderbolt" mecha, continuously eliminating the monsters near the train in the dark to ensure they don't reach the crowd.

The third team captain was controlling the "Leech" mecha, precisely shooting the monsters that broke through the defense line.

The cooperation between both sides was indeed seamless.

Usually, each team trained separately, but after a whole afternoon of battle, the coordination between the two teams had become seamless too.

Other team members without armor were also wielding the "Giant Wave Gatling" to kill the monsters.

"Tututut!!"

"Boom boom boom!!"

"Clank clank clank!!"

The sound of bullets firing, explosions detonating, pickaxes striking iron ore mixed together, sounding like a symphony, quite pleasing to the ear!

Chen Mang stood there in a daze for half a day before finally returning to the train cabin.

He looked at the screen on the control panel showing the specific information of the "military factory."

This wasn't a piece of accessory.

But a function belonging to the train.

The monster flesh he obtained in total was exchanged for 170,000 merit points, with higher-level monster flesh exchanging for more merit points.

-

"Military Factory."

"Can research, produce, and purchase various firepower or defense-related accessory blueprints."

"Requires Train Assistance AI to be at least Level 10 or above."

"Each research, production, or purchase consumes 'merit points.'"

"Current research directions——"

"White-grade Firepower Accessory Blueprint, 1000 merit points."

"Green-grade Firepower Accessory Blueprint, 10000 merit points."

"Yellow-grade Firepower Accessory Blueprint, 50,000 merit points."

"Blue-grade Firepower Accessory Blueprint, 100,000 merit points."

"..."

-

"Not bad."

Defensive accessory blueprints are priced twice as much as the offensive ones.

The specific research time depends on the AI's computing power; the faster the computing power, the less process occupancy, the faster the research speed.

With this train function.

The train now has one more way to obtain accessory blueprints.

"First research 5 white-grade firepower accessories, and 5 white-grade defensive accessories, let me see the effects."

"Yes!"

From the train cabin speakers, Ai's response quickly came.

Besides that, there's the red-grade accessory "Armed Black Hole Robot Production Line," this accessory occupies a large area, placed in the Gate of Space in carriage 2, which is Ai's exclusive studio.

It can manufacture offensive "Black Hole Robots."

Can be AI-controlled, or programmed for automatic combat like attack, patrol, etc.

The specific number of "Black Hole Robots" AI can control at once depends entirely on the AI's computing power, which means it depends on the level of the Train Assistance AI.

He stood up and walked into the Gate of Space in carriage 2.

What came into view were various instruments, as well as those high racks and a pile of materials stacked beside.

"Train Captain."

A robot full of mechanical structures walked towards him with big steps, the next moment its mouth suddenly opened wide, and a small Gatling gun extended from it, slowly rotating the muzzle.

"This is a Level 1 robot produced by the Level 1 'Armed Black Hole Robot Production Line.'"

"Armor and weapon levels are both at Level 1."

"Can be used for patrol, guarding, etc."

"The robot has a small space behind its head, which can store a large amount of copper ore, used to manufacture and fire Gatling bullets, among other weapons."

"This production line is customizable."

"Various weapons can be self-selected, like chainsaw, shoulder-mounted rockets, and foot mines."

"Armor level can also be self-selected."

"The manufacturing price of different robots varies."

"..."

Chen Mang did not speak, just walked briskly beside the "Armed Black Hole Robot Production Line," the largest accessory he has ever seen, much bigger than the Earth-Burst Missile, almost like a small military factory.

Upgrading and manufacturing both require copper ore.

This is a good thing.

And he really needs it now, given that there are so many monsters; relying solely on those guards, defense is somewhat difficult, having the support of armed robots would be much better.

After thinking for a while, he immediately consumed 540,000 units of copper ore, upgrading it in one go to Level 10.

The upgrade price wasn't expensive.

This accessory is mainly expensive in terms of manufacturing.

A standard version Level 8 robot, having Level 8 armor, 3 Level 8 weapon accessories, costs 500,000 units of copper ore.

This price is somewhat expensive, and this is just the standard version; if you want to add some special accessories, like "night vision goggles," "Level 1-3 intelligent chips," etc., the price becomes even more expensive.

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