The young man looked at the message from the Constant Star Train, paused slightly, and then couldn't help but chuckle, feeling that his gesture had been appreciated.

When the Constant Star Train rises in the future.

If he ever finds himself in a life-threatening crisis, this favor might just save his life.

Moreover...

"It's still pretty good."

He looked at the porn magazine in his hand, flipping through it continuously. Despite not lacking women, this magazine gave him a different feeling, making him feel like he was still in a civilized society.

Just then—

"Son..."

The train room door was pushed open, and a middle-aged man spoke softly with a bitter expression: "You've become the Train Captain now, I'm your father after all, can't I enjoy some peace?"

"Enjoy peace?"

The young man frowned deeply, speaking seriously: "Enjoy what peace, this is Doomsday, what do you think it is, playing house?"

"One less person mining, the train develops a bit slower."

"Today you enjoy peace, tomorrow I enjoy peace, then the day after everyone goes to hell to enjoy peace slowly."

"Don't you understand this reasoning?"

"Enough."

The young man discreetly stuffed five meat buns, a pack of cigarettes, and the porn magazine into his father's arms, whispering: "Take them and hide them. I'm giving you a little treat, you definitely can't rest. If you rest, those uncles and aunts of mine will surely strike."

"I've managed to control the situation with great difficulty."

"Don't mess up my plans, okay."

"...Sigh." The middle-aged man sighed lightly, then looked down at the porn magazine in his hand: "I understand the reasoning, mining every day is fine, but can't you let me enjoy some peace as well with how extravagantly you play around? Your mother left early, and I've never remarried..."

"Don't think about things disrespectful to Mom, I'm telling you, you're behaving indecently."

"But with how extravagantly you play around, are you honoring your mom?"

"That's your wife, not mine. I don't have a wife, doesn't concern me."

"True."

...

Green grade Vehicle Accessories Blueprint "Oxygen Generator."

Chen Mang looked at the blueprint in his hand, feeling a bit emotional. Although he didn't quite approve of the young man's approach, he had to admit the young man was a big help to him; with this, he no longer had to worry about oxygen.

Not only during mining, but he wouldn't have to worry about the sufficiency of oxygen in the caverns.

Even the four refrigerators filled with slaves would have a sufficient oxygen supply, and there'd be no need to create slave carriages in the future; all slaves would be stuffed into the fridge, and the previously built four slave carriages could serve as high-class slave carriages, a privilege only for Level 1 slaves.

Creating this accessory requires 500 units of iron ore.

Not too expensive.

He immediately spent 500 units of iron ore, crafted an Oxygen Generator in the Level 10 goblin slave carriage, and then spent 9000 units of iron ore to upgrade it to Level 10.

With each upgrade, oxygen production increases, and of course, energy consumption also rises.

The Level 10 Oxygen Generator is already adequate to produce breathable oxygen for 1000 people in an oxygen-deprived space. This accessory's Circuit System connects to the "Generator," and it's quite an energy-consuming device upon activation.

A 100% Level 1 Energy Stone can provide 100 hours of travel for a Level 1 train and provide normal travel for the current Constant Star Train for 60 hours.

It can power a Level 1 Off-road Motorcycle to run continuously for 100 days.

There are many energy-consuming devices within the train, and of course, most energy-consuming devices don't need to be constantly turned on. The Energy Stone put into the generator last time still has 37% capacity.

After upgrading the "Oxygen Generator" to Level 10, two Supermodel Effects were also gained.

-

"Oxygen Generator Level 5 Supermodel Effect": The Oxygen Generator can connect to the 'Train Assistance AI,' which will automatically control the oxygen output of the generator based on the degree of oxygen deficiency in the space, requiring the green-grade "Train Assistance AI" accessory to be fully upgraded.

"Oxygen Generator Level 10 Supermodel Effect": Real-time analysis of the surrounding environment's air quality and synchronization of the report to the Train Assistance AI.

-

"Hmm." Chen Mang raised an eyebrow slightly. These effects are pretty good; both are quite useful.

He left the train room, walked through the carriages, and finally arrived at the Level 10 goblin carriage, looking at the "Oxygen Generator" placed in the corner. It looked a bit like a large bubble machine used by wedding companies, with a large nozzle.

When it starts running.

A large amount of oxygen will be ejected from this nozzle.

It's already running now. At the current concentration of the oxygen production, running continuously for 24 hours would deplete about 50% of a Level 1 Energy Stone, equivalent to spending 250 units of iron ore to use it for a day. Compared to other accessories, it's quite energy-consuming, but it's much more cost-effective than a slave's mouth.

Buzzing sounds.

Accompanied by the buzzing, the Oxygen Generator started working, and a large amount of oxygen began to flow into the cavern.

Nice.

It's also considered aerobic exercise.

Chen Mang couldn't help but laugh at himself, glancing around intending to find someone to explain his humor, but seeing everyone around was busy, only Old Pig noticed him. However, his serious and respectful demeanor made Chen Mang purse his lips and gesture with his hand to Old Pig that he didn't need to come over, then walked back to the train room alone.

Better finish watching the movie that was left unfinished just now.

...

"Whew."

Among the slaves, a young man squeezed near Mr. Li and cautiously glanced around before whispering: "Mr. Li, didn't you say when new slaves join the train, you have a plan to climb up a step? How's the progress now?"

"Just wait a bit longer."

Mr. Li swung the pickaxe in his hand heavily against the iron ore in front of him, shaking his head: "Haven't found anyone who's insensitive."

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