One Level 1 Energy Stone can keep a drone flying for hundreds of hours, but if you want to open fire, it depends on what level of bullets you're firing. If Level 3 bullets, it can sustain firing for 10 minutes.

This accessory has already been upgraded to Level 10 by him, and every drone is naturally Level 10 too. Theoretically, it can fire Level 10 bullets.

Just...

The capacity of a Level 1 Energy Stone is too small, it can only support the firing of Level 3 bullets at most.

If Level 10 bullets need to be fired, you'd need at least a Level 5 Energy Stone installed.

However, the main purpose of drones isn't attack capability; detection is the primary function of drones. Clearing out some minor foes is okay, but against Level 10 bosses, there's no room for drones to show up.

...

Soon —

A large number of images were transmitted back to the "Train Assistance AI" by the drones, and after being edited and pieced together by the AI, it formed a complete picture. At the bottom was a huge square.

There were many mechanical arms and racks around the square.

No monsters nor robots.

Several minutes later.

The Constant Star Train slowly landed on the square, which was covered with various strange patterns, and there were many high racks around the square, with numerous mechanical arms installed on them.

The whole place looked like a rocket launch base.

But no rocket was visible.

"Goodness..."

Chen Mang gazed somewhat stunned at the surroundings of the square. At the edge of the square was a huge five-story-high shelf, with many large-scale firepower weapons placed on it, including rockets, heavy machine guns, exoskeleton armor, colossal chainsaws, and massive swords, among others.

There were also many ammunition boxes.

The caliber of that heavy machine gun was larger than his "Doomsday Cannon" caliber.

This round of shots will scare both humans and ghosts.

He looked up again through the skylight, gazing at the giant opening inside the cave overhead, and the countless incandescent lamps inside the walls, finally understanding why this boss was called the "Mechanical Zombie King," and understanding what this place was for.

Normally speaking.

When the timing is right, the zombie at the top should fall onto this square, and then these high racks and mechanical arms would install these weapon accessories onto this zombie, forming a... giant killing machine.

Similar to the "Fixed Star Third Generation Mecha" he saw in Mechanical City.

Except, it would be larger in size, with excessively equipped firepower weapons.

"Can these things be taken away...?"

Chen Mang gazed somewhat greedily at the large firepower accessories placed on the side shelves, which were initially not designed for humans; they were bigger than people.

They were initially designed for this zombie.

The quantity of these firepower accessories is large, but compared to that zombie, they aren't very big. They can completely be installed on that zombie.

Placing them on the train is also excellent; although they aren't Train Accessories, once used, it might be impossible to make more ammunition. But in the end, they're free; such free things are always welcome, the more, the better.

"Ai."

"Let Biaozi lead a team down to check things out."

"Yes."

...

"To make a mark, to make a mark, to make a mark!!!"

Accompanied by the opening of the door of Guard Carriage No. 7, the excited Biaozi tightened the belt on his special operations uniform, grabbed his rifle, and led a team of members to jump off the train, beginning to meticulously inspect the unusual aspects of the square starting from the edge.

It was his time again to make a mark.

Alright.

Even if something were found, it wouldn't be called making a mark, it's his duty. But... at least it's considered a small accomplishment.

Though his heart was excited.

When actually executing the task, Biaozi instantly adopted a cautious demeanor, looking nervously from the edge at the surrounding small racks, searching quickly. There were many high racks around the square, similar to the fixed racks before rocket launch.

Besides those high racks, there were also many small racks only over a meter high.

Various tools were placed on them.

"No dust."

Biaozi slightly furrowed his brows, picked up a wrench and examined it up and down, then reached out a finger to lightly swipe over the rack. It was unknown how long this place had existed, how could there be no dust, should there be fresh air circulation?

Is this fresh air system so effective?

The rack in front of him was basically filled with various tools, while the adjacent rack was filled with some armor, weapons, etc.

"Hmm?"

Biaozi suddenly halted in place, a trace of surprise flashing in his eyes. These armors and weapons didn't look like they were configured for the train; they were smaller, meant for Mecha configuration. Could there be Mecha here?

If a Mecha didn't require such high physical fitness.

Perhaps he could have his first Mecha!

Thinking of this, Biaozi explored more vigorously.

Then he looked back at the team members behind him, not speaking, but issuing commands via Cluster Thinking to President Ai, who then transmitted them through the Iris Chip to the team members in front of them. In a blink of an eye, the command was silently communicated.

Immediately.

All team members nodded in unison, then scattered around, each searching separately.

...

"Train Captain."

Standing inside the train room, Ai spoke coldly without mechanical emotion: "First of all, it can be determined that the carved patterns on the square are not a maze, they don't meet the basic elements of a maze."

"Nor is it some kind of text."

"As for whether it's mysticism or other text, my database doesn't contain relevant information."

"But..."

"It does look like some kind of ritualistic presence."

"Ritual?"

On the console's screen, a planar map of the square's patterns quickly appeared.

At the same time, Ai's voice sounded.

"Assuming I pour a bucket of blood from this position, then this bucket of blood will flow through these carved channels, covering all the patterns, like this."

The leftmost pit-like depression of the pattern on the screen slowly turns red, soon the entire pattern turns red, with Ai simulating what happens if blood is poured into the depression.

"..."

Chen Mang didn't speak anymore, only slightly squinting his eyes, looking at the patterns of the square outside the window, maneuvering the Constant Star Train to fly up and land on the vacant areas around the square, since there's a possibility of a ritual, better not foolishly stay on the square.

Otherwise, he might end up being sacrificed himself!

This place is really quite a mix, with rituals, zombies, and mechanical firepower!

Thirty minutes later.

"Train Captain, Biaozi and his team have completed the survey, specific information is already displayed on the screen, besides there is a chip, the chip is in a transparent box."

"There is a line of text on the box."

...

"..."

Chen Mang looked down at the transparent box containing the chip in his hand, the chip inside was about the size of a pinky finger, looking very much like the memory cards from the old times of his last world.

The box had written on it...

"Mechanical Zombie King Construction Plan!"

"Can you download the information on this chip?" he turned to Ai beside him.

"Of course."

Ai stepped forward to take the transparent box and carefully inserted the chip into the interface of the "Train Assistance AI" on the console, speaking in a mechanical yet chilly voice: "Provided the chip isn't encrypted at too high a level."

A minute later.

Ai's voice resonated within the train room again, still in that cold mechanical electronic tone, but with a trace of admiration and joy.

"Congratulations, Train Captain."

"This is a relic similar to Mechanical City, but it isn't an Adventure Map. This chip details how to manufacture this devastating 'Mechanical Zombie King' killer weapon."

"And..."

"Everything of significant value here is hidden beneath this square, opening this square requires a large amount of flesh, not just blood."

"The password is the patterns."

"And the key, is precisely the copious amount of zombie flesh in your fridge, Train Captain."

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