"Stunt Control Console" has been successfully upgraded to Level 10 by him.

Both Supermodel effects are none, this accessory upgrade only has one option for obtaining more slots.

...

"Hmm..."

After contemplating for a moment, Chen Mang spent 240,000 units of iron ore to upgrade the Energy Shield to Level 3. This item is priced according to the number of carriages, and it's not cheap, as it can only fend off energy attacks. The Supermodel effect at Level 5 can fend off physical attacks, and receiving attacks will consume energy.

Level 3 is sufficient.

When activating Train Stunt "Absolute Defense," his defense level reaches Level 9, and this Level 9 defense faces no threats on the Shahe Plain.

There are 139,000 units of iron ore left.

It's almost time to consider upgrading to a Level 5 train.

He looked at the upgrade conditions for a Level 5 train.

-

"Upgrade Conditions": All five essential vehicle accessories must be fully crafted, and 20,000 units of Level 2 iron ore must be consumed; all accessory levels within the carriages need to exceed Level 100.

-

The conditions are much simpler than before.

Even the requirements for carriages are gone, and he has already directly ignored the accessory level requirements, just needing to consume 200,000 units of iron ore is enough; after today's mining is completed, the upgrade can start directly.

"Moreover..."

Chen Mang squinted slightly, as with each train upgrade, fewer accessories can be crafted, and upgrade conditions become less and less. At this rate of development, there will be almost no accessible accessories by the time it reaches Levels six or seven.

Meaning, by then, all accessories will have to be obtained by himself.

It feels just like an initial beginner's guide task.

After completing the beginner's guide, it's up to you to explore.

...

On the third day, at dawn.

This Level 2 iron ore has been fully mined, totaling 210,000 units of iron ore.

No more hesitation.

Immediately took out 200,000 units of iron ore for the train upgrade.

Soon——

Lines of text appeared on the train screen.

-

"Your train has upgraded to Level 5."

"More craftable accessories will be unlocked."

-

After upgrading to a Level 5 train, the number of craftable accessories is fewer, only four.

But the console has an additional new functionality.

"Mech Building."

"Ah?"

Chen Mang was slightly taken aback, looking at this additional new functionality, not an accessory, but an extra new feature that allows customizing exclusive mecha using a single soldier exoskeleton as the framework.

It's the kind of mecha that truly has defense and long-range attack capabilities.

Not the kind of single soldier exoskeleton.

The stronger the mecha, the higher the physical comprehensive quality required from the operator.

However, building mecha requires "Mecha Blueprint," and he currently doesn't have any mecha blueprints.

But there's good news.

Building mecha doesn't consume iron ore but "Red Heart Rock," a rare resource, and he harvested a total of 180,000 units while on the Tieling Wasteland, never having used them, almost rusting in the fridge.

He initially thought it wouldn't be needed for a long time; little did he know that upon upgrading to Level 5 train, it could be utilized.

"This is a good thing."

Chen Mang smiled, realizing that his 180,000 units of Red Heart Rock can finally be put to use.

He then took out a card from the drawer and inserted it into the console, looking at the coordinates displayed on the screen. The Constant Star Train immediately sped off into the wilderness!

The things are good, but without mecha blueprints, they can't be used temporarily.

He prepares to first visit the "Goblin Ruins" to see what the situation is.

...

Two hours later.

Speeding all the way, the Constant Star Train slowly stopped in front of a low mountain. This mountain looks unremarkable, with only a height of about ten meters. If not for the surrounding plains with only this one raised object, he wouldn't even consider calling it a mountain.

Next moment——

Accompanied by a flash of white light from the card in his drawer.

The low mountain in front suddenly cracked open, revealing a passage for the train to enter.

It seems this card is not only a map but also a key.

As soon as the Constant Star Train entered, lines of text appeared on the console screen.

-

"You have successfully entered the Goblin Ruins map."

-

When the train completely entered the passage, the small mountain closed tightly again, showing no trace from the outside.

The passage leads downward.

Following the passage forward, approximately ten minutes later, the train arrived at the center of an underground square.

The walls around are carved with countless murals, depicting scenes of goblins mining, living, dancing, and worshipping.

At the square's edge, there is a "Goblin Train."

However, it's already in a deserted state.

Next moment——

A light screen appeared out of thin air above the square.

-

"Welcome to the Goblin Ruins."

"Goblins used to be the most industrious race in the universe. They never thought of dominating the universe and never had grand ambitions, only wanting to coexist peacefully with humans, quietly establishing their underground cities."

"And occasionally swearing at foolish humans, which was their only hobby. It wasn't like this before, but after humans frequently insulted goblins as ugly, they developed this hobby."

"However..."

"With the arrival of Doomsday, this extremely small race in the universe has announced its complete extinction."

"Perhaps, in the distant future, there may be a possibility for the revival of Goblin Civilization, but before that, you can first accept the terminal gifts before the extinction of Goblin Civilization, making yourself stronger, thereby allowing Human Civilization to survive longer in this disaster."

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