Chen Mang, standing beside the train, glanced up at the Green Dragon crouching on the roof and placed his index finger on the trigger of the rifle, ensuring he could react instantly.

He was also wearing white gloves.

These were also Special Tools, which could temporarily enhance his physical abilities. Even the badge, which he thought was useless, he wore.

The next moment—

In the center of the palace, five gigantic light screens suddenly appeared, and on these five light screens was an even larger light screen.

-

"Welcome, Train Captain of the Constant Star Train. The Undersea Maze is located in the green zone, Shahe Plain."

"For trains in the green zone, the Undersea Maze is not an easily accessible place, yet Train Captains of various means continue to make their way here."

"Human Civilization is like a centipede; it may die but does not decay."

"Perhaps one day in the future, the planet you are on will face destruction."

"But I believe the shattered Human Civilization will become countless stars, finding a suitable planet to inhabit deep in the universe."

"Please select your maze difficulty."

"Once the choice is made, it cannot be changed."

-

"..."

Chen Mang looked expressionlessly at the panel. Can't it speak properly? What does it mean by not decaying?

However...

He didn't concern himself with this for now and instead looked at the five difficulty levels of the maze.

-

S-level difficulty maze: Your consciousness will descend into a robot and appear on a random train. The Train Captain of that train will carefully arrange a static maze for you. If you reach the end within half an hour, you will pass smoothly.

ps: The components and armed personnel on that train cannot attack you, nor can you attack any of the components or personnel on that armed train. The "Train Assistance AI" on your train will possess the robot, granting you extraordinary thinking, and the robot will have the running speed of an adult male. Furthermore, the carriages of that train are limited to a maximum of 18.

Reward: 30 Murphy Stones.

-

A-level difficulty maze: You will fall asleep and enter 99 layers of dreamscapes. If you wake up within 24 hours, you will pass smoothly...

B-level difficulty maze...

C-level difficulty maze...

D-level difficulty maze...

-

Chen Mang's attention was mainly focused on that S-level difficulty maze, which had not disappeared. This was the task Er Dan chose last time, but unfortunately, it failed.

"What a pity."

He shook his head with some regret. It's a pity he wasn't the first to come in. Otherwise, based on his experience at the "Goblin Ruins," being the first to come in and completing a task meant that task wouldn't disappear.

It could be completed again, and then it would disappear.

Equalling completing it twice.

No, perhaps there are other restrictions that prevent completing it twice. Otherwise, in the "Goblin Ruins," there should have been a task that couldn't be chosen and disappeared. After all, the owner with the goblin ruins key could definitely complete a task they'd already passed again.

Without the slightest hesitation.

He immediately chose the S-level task, and he only glanced quickly at the remaining four difficulty tasks.

Just like Er Dan that day, quite confident.

This task.

Li Shiji couldn't help him; he could only rely on himself and the AI. He wasn't very familiar with mazes, but he understood other trains very well. He didn't believe anyone could arrange a maze on a train as he could.

If there were such an expert.

He'd acknowledge it.

But train spaces are only so large, and without the "Gate of Space," the space is almost fixed. A Level 3 train has no components related to space, allowing the design of a complex maze.

Even Li Shiji, without a Level 10 refrigerator, would struggle to design a maze. How about that?

A clever housewife can't cook without rice, indeed.

After he successfully made his choice, the five light screens above the palace slowly dispersed, merging into one light screen.

-

"Train Captain of the Constant Star Train has successfully chosen the S-level difficulty maze."

"Searching corresponding trains... Search failed... No trains available for descent."

"Issuing one-time Special Tool 'Consciousness Transmitter.'

"Once a train available for descent is found, the 'Consciousness Transmitter' will emit a piercing alarm and flash red. Press the button on the Consciousness Transmitter within one hour to transfer consciousness to the robot, formally starting the S-level difficulty maze."

-

The light screen slowly shattered, forming a walkie-talkie composed of lines in the air.

As the lines solidified, the walkie-talkie materialized from thin air.

It landed in Chen Mang's hand.

"30 Murphy Stones, not bad at all."

Chen Mang weighed the walkie-talkie in his hand with a smile. Now he could leave the Shahe Plain with a sense of complete accomplishment and without a trace of regret. Now he just had to wait for someone to tag along, and when someone chose the S-level mechanical train job transfer task, he would appear on the opponent's train like Er Dan.

Upon success, he'd acquire 30 Murphy Stones.

This is quite a fortune.

He obtained only 10 Murphy Stones from killing the "Level 7 Mechanical Zombie King," and this S-level task, to all Train Captains who could reach here, equates to picking up 30 Murphy Stones for free.

This opportunity is quite significant.

The Undersea Maze might only be in this region, but there should be several Adventure Maps with similar tasks in other areas.

Next comes the wait.

This cannot be rushed for now.

He tossed the walkie-talkie in his hand back into the train cabin. As he was about to say something to the Green Dragon lying on the train's roof, he noticed its flesh had begun to rapidly decompose at some point.

No blood can be seen.

The rapidly decomposing flesh turned into powder, drifting into the air.

Immediately after, he saw that Green Dragon staggering up from the train's roof, falling heavily in the palace's center, and within less than half a minute, the entire Green Dragon had disintegrated into powder, drifting into the air.

Simultaneously—

The plaza suddenly began to tremble slowly, and then the center of the plaza suddenly caved in, revealing a dark hole. Inside the hole were stone steps.

Dim oil lamps were hung on either side of the walls.

The hole wasn't very large.

People could enter, but armor and trains couldn't.

Below this hole should be the "Doomsday Adventure, Hell Green Dragon" where returning the Green Dragon home would yield a handsome reward.

"..."

Chen Mang strode back to the train and ordered Ai.

"Send a team down to check it out."

Then he turned his gaze back to the words on the control panel screen, his eyes slightly narrowed, thoughts swirling rapidly.

-

"...Due to swallowing the 'Deep Sea Shield' Accessory Original Image before dying, getting the Deep Sea Shield can only be achieved by killing the Hell Green Dragon through this one path..."

-

Accessory Original Image?

This sentence contained a lot of information, capable of linking many things.

Before dying, if the timeline is as expected, it must have died before the doomsday on this planet. It sounded like Doba, belonging to a species from another planet, which also perished in doomsday with the extinction of civilization.

However, this Green Dragon's resistance before dying was relatively strong, swallowing the 'Deep Sea Shield' Accessory Blueprint into its belly?

He quickly shook his head.

He cast all these thoughts aside; the origin of the doomsday could be discussed later. He was more concerned now about what rewards he could earn.

Biaozi wore the "Mechanical Eye" on his chest, allowing everything Biaozi saw within radar range to be transmitted to the control panel screen.

Chen Mang leaned back in his chair, staring at the image on the screen. It looked just like a first-person tomb exploration game; the passage was very long, and there was nothing besides stone steps.

Even the oil lamps weren't real.

Upon getting closer, he realized that the oil lamps were just light bulbs, merely shaped like oil lamps, with some ingenious designs added to make the light appear slightly flickering like that of oil lamps.

"Master Mang."

Biaozi's voice echoed from the train cabin: "I... I seem to see a dragon."

"..."

Chen Mang didn't speak because he saw it too. Below the stone steps was a large plaza with a massive dragon skeleton displayed on it.

This place...

It seemed quite similar to the Goblin Tomb area!

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