Most white-grade components require only 100 units of iron ore to craft, and then from Level 1 to Level 2, require 100 units of iron ore, and from Level 2 to Level 3, require 200 units of iron ore.

This way, each level up requires an additional 100 units of iron ore.

As for most green-grade components, crafting requires 500 units of iron ore, then from Level 1 to Level 2 requires 200 units of iron ore, and from Level 2 to Level 3 requires 400 units of iron ore.

Each level up increases by 200 units of iron ore.

Of course, it's not absolute.

Some special components, like "Wagon Steel Armor" and "Wind-Fire Wheel," require more iron ore for crafting and upgrading, especially "Armor," which is the most resource-intensive component he's seen.

To this day, he hasn't even seen this component's Supermodel Effect, nor does he know when he might be fortunate enough to see it.

It's truly resource-expensive.

...

The Level 5 Supermodel Effect of the "Train Assistance AI" is Cluster Thinking.

With each upgrade, the AI's intelligence improves, allowing for faster communication with the Train Captain, and its computing and information processing capabilities are enhanced.

This is reflected on the train as.

The ability to control more components simultaneously, such as controlling the oxygen production rate while also deploying the Target Detection Radar and using the Heavy Machine Gun to lock onto enemies within the radar range.

The current trend of the train is that most components later on are basically managed by the "Train Assistance AI," so upgrading the level of the Train Assistance AI is extremely important.

After upgrading it to Level 10, he also acquired a brand-new Supermodel Effect.

-

"Train Assistance AI Level 10 Supermodel Effect": Capable of network intrusion, decryption, and decoding most network firewalls.

-

"Network intrusion?"

Chen Mang frowned slightly. This world does have the Internet, but it's Doomsday now. Where are there any service providers maintaining the network? The network has long collapsed, and this Supermodel Effect feels pointless.

However...

Soon, he pondered thoughtfully. There's no network on the wasteland, but perhaps in high-level areas, there are still some places connected to the net, and there might be opportunities for use in the future.

Having is always better than not having.

You can never have too many skills.

It's akin to most people learning to swim, even though they may never fall into water in their lifetime, but if they do fall in, this skill becomes their last straw.

After upgrading the "Train Assistance AI" component, he looked towards the "Assistive Universal Wheel" component.

This is a special component.

It's not among the twelve components that can be crafted on a Level 2 train, but he remembers this component vividly, back when he was a slave on Master Kun's train; it was precisely because Master Kun was reluctant to craft the "Assistive Universal Wheel" component.

This resulted in the train being less agile, and when they were about to be surrounded by the Corpse Tide, they had to abandon all wagons and escape alone.

The effect of this component is quite simple; it significantly enhances the train's agility, allowing it to make sharper turns with a smaller turning radius.

The cost of crafting the Universal Wheel is hefty.

Crafting such a component requires 5000 units of iron ore, which explains why Master Kun of the past was reluctant to craft it. Indeed, the cost is quite steep, but at least there's no further iron ore consumption for subsequent upgrades, making it a one-time expense.

This component cannot be upgraded.

The level automatically matches the train's level, so a Universal Wheel on a Level 2 train is Level 2.

He tried it.

Even with his Level 0 authority for Unlimited Upgrade, he couldn't upgrade this component. This component simply has no upgrade option.

As the level increases, the train's turning radius becomes smaller.

After crafting is complete.

Three wheel-like devices, similar to airplane landing gear, appear underneath each carriage, centrally below, to assist with turning.

Besides that...

Chen Mang squinted slightly, turning his gaze to other components he had never upgraded. Since he experimentally upgraded the unremarkable "Train Radio" component to Level 10 and acquired the Supermodel Effect of remote trading.

He now held high expectations for these unremarkable components.

Even if nine of the Supermodel Effects were useless, as long as one turned out to be like "remote trading," it would be a huge gain.

Nothing else needs to be said.

At least, besides him, no one on the "Tieling Wasteland" is likely upgrading the "Train Radio" component, because this component has no visible effects after upgrading.

After glancing around the train room, he fixed his gaze on the "telescope."

This was one of the white components among the seventeen components that could be crafted on a Level 1 train, a single unit product just like the "single bed," not a production line, requiring only 10 units of iron ore to craft a telescope.

It's truly cost-effective.

Before the existence of the "Target Detection Radar," the telescope was almost his only means of exploring the distance.

After having the Target Detection Radar, he hadn't used the telescope for a long time. It was only when he glanced around the train room that he remembered this component.

...

Crafting requires only 10 units of iron ore, and upgrading consumes even less.

Only 550 units of iron ore were needed to upgrade it to Level 10.

After upgrading, the visible distance became farther, and clearer, although it still couldn't compare to the Target Detection Radar, which could even show the faces of creatures and information about monsters, hidden information that the telescope couldn't provide, not to mention radar displaying enemies deep underground and within walls with clarity.

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