Julia jumped out of the driver's seat and saluted the elf stroking the truck's front, "Lord."

The Lord of Pirie City turned to look, squeezing a stiff smile on his face, "Julia, as expected, it's you who is responsible for leading the way."

Among the elves of Gass City, very few know the locations of other cities. Apart from the intercity messenger, only Julia, the future intercity messenger, knows the way.

To become an intercity messenger, one must have the power to freely travel between multiple cities. Only elves of at least the master level have such abilities.

Not every city has an intercity messenger. Take Pirie City and Mayin City for example; neither has its own intercity messenger. For communication between cities, they need to rely on Julia's father.

An intercity messenger needs to be away for nine months of the year; if it's busy, they might not be able to stop all year round.

It is precisely because of the existence of intercity messengers that communication between the various elf cities is maintained.

Therefore, the vast majority of elves trust the intercity messengers, and even for Julia, who may become an intercity messenger, the elves are willing to show goodwill.

Calculating the time, Julia's father might still be busy between other cities, so starting from Gass City, the only elf who could lead the human convoy to Pirie City is Julia.

"Thank you, my Lord, I didn't expect you to remember my name." Julia bowed again.

"No need for such formality, after all, you might become an intercity messenger in the future and serve our city. It should be us thanking you." The Lord of Pirie City scratched his head, pulling out a few hairs without minding.

It looked shocking, yet few elves cared, not even Julia, who remained calm.

The Lord of Pirie City looked towards Yan Luo, and with a hand tangled in a few hairs, he patted the truck's front and asked, "You seem to be the human leader, do you sell these 'carriages'?"

"No," Yan Luo replied.

The Lord of Pirie City said "Oh" and did not press further.

He had the three trucks hurry to the nearby warehouse, which was originally a place for spare mining machines. Now the mining machines had been moved, so it was just right for unloading the cargo.

The Lord of Pirie City, unlike the lords of the other two cities, did not need to worry about financial issues as Pirie City was quite wealthy. They could buy everything on Yan Luo's trucks.

Next, the Lord of Pirie City and Yan Luo watched the unloading while discussing what they could use to purchase the human goods.

Pirie City didn't have much in terms of magic tools and magic arrows; they didn't need those items.

And the elves of Pirie City were different from those in other places; they relied on the machine limbs installed on themselves to cast spells.

Although this made the types of spells they could cast quite limited, it allowed rapid and repeated casting for fire suppression against enemies.

Meanwhile, the elves of Pirie City hadn't lost the ability to cast spells autonomously; they just weren't as reliant on their own casting abilities.

In response to this, Yan Luo provided a suggestion—modularization!

The elves of Pirie City could install a type of modularized mechanical limb. Some parts of this limb could be detached and installed, allowing the adjustment of the machine limb's output mode through module assembly when performing specific tasks.

Hearing Yan Luo's suggestion, the Lord of Pirie City immediately exclaimed.

"You humans are really clever!"

They had always wanted to solve the monotonous output mode of the machine limbs, but until now, they only thought of replacing new machine limbs to change the output mode, completely unaware that they didn't have to consider machine limbs as a whole.

To operate the machine limbs, they indeed needed to design the limb as a whole, with runes nested within each other to ensure operation.

Thus, they were stuck in a conceptual rut.

In reality, they could use puzzle-like methods, assembling a complete magic array with relatively independent runes—the way they originally did it—just 'loosening' the runes now.

Only with the modules installed could the machine limb operate; removing the module, due to a lack of runes, would stop the operation.

This was indeed a problem, but such a problem could be solved.

Yan Luo's suggestion sparked the inspiration of the Lord of Pirie City, who enthusiastically conversed with Yan Luo and also with the three truck drivers standing nearby.

Unfortunately, although the three truck drivers had translation plugins, their proficiency in Elven wasn't as smooth as Yan Luo's, so most of the time, the Lord of Pirie City ended up mainly conversing with Yan Luo.

Yan Luo knew that by doing this, the technological level of the Pirie City elves could quickly advance, but he didn't mind.

Even if the technological development of the Pirie City elves was fast, it couldn't catch up with the existing human technological level shortly.

They had abandoned the original gifts of the elves, opting instead to pursue mechanical power, which wouldn't threaten humans for some time.

During the honeymoon period between humans and elves, the Pirie City elves lacked the capability to surpass the human technological level in terms of technical prowess, so Yan Luo didn't care much about how many innovative ideas the elves could gain from him.

After all, he was just a high school graduate who hadn't even attended university—a modern semi-illiterate—with only a rough understanding of machine operation principles. The insights he provided mainly came from what he'd seen and heard, not really disrupting the innovative thoughts of the Pirie City elves.

Pirie City mainly produced mechanical specialties of the Elf Race, all of which, without exception, were powered by Magic Power, a feature of great reference value for Blue Star.

Even if these machines were functionally lagging, as long as they could provide some inspiration to Blue Star's machinists, they would be considered valuable items.

Therefore, Yan Luo planned to purchase in large quantities.

Although his ultimate goal was to completely eliminate the Abyss, before that, Blue Star had a long period to coexist with it, for which he needed to prepare.

After chatting for a while, the Lord of Pirie City went to look through the digital products, and after a few glances, his smile faded.

—These things were definitely not crafted by artisans.

Nowadays, Pirie City had the concept of division of labor and cooperation, but the machines made by various artisans bore their distinct styles.

Now, what he was seeing seemed like objects crafted by the same artisan.

Whether it was the shell or the internal structure, they appeared entirely flawless.

This reminded the Lord of Pirie City of parts they ground with machines.

When grinding machine parts, they needed to customize a standard first, or the machines wouldn't operate smoothly.

The human machines he was seeing now seemed like parts crafted by various machines, pieced together in the end.

This was a manufacturing mode vastly different from the current production method of the elves. If done this way, the same products could be produced in a short time, with extremely high production efficiency.

The Lord of Pirie City recalled 'modularization' that Yan Luo had just mentioned to him. Although there were some deviations in principle from what he was seeing in these machines, there were shared truths.

"So that's how it is..."

No wonder Gass City and Mayin City couldn't buy all the goods brought by the human convoy; it was because of the significant gap in production techniques between them and the humans.

Most elves were still producing items by hand, while humans had already employed tireless machines.

If machines broke, they could be replaced, but elves couldn't produce items ceaselessly without rest or sleep.

The Lord of Pirie City could even think that the batch of goods brought by the human convoy wasn't all the merchandise they had on their hands; they had even more goods they could sell to the elves.

If humans wanted to, they could completely spread their products throughout the Elf Race in a very short time.

The sales of human goods did not overlap with the machines produced by Pirie City, but if human goods truly spread in their world, it could impact the machines produced by Pirie City.

Humans could 'dump' their goods on the Elf Race, against which the elves would have no resistance at all.

—Unless the elves refused to trade with humans!

Thinking of this, the Lord of Pirie City exhaled a heavy sigh.

What should they do next?

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