Perhaps this access card is used to open this dungeon? But this dungeon, people can easily pass through the iron bars, making this access card somewhat useless.

He handed the access card to Zhang Yi beside him.

The key was too high, he couldn't reach it.

Zhang Yi took the access card and gently placed it on the "door access lock" on the iron bars; after three seconds, there was no response.

"Master Mang, let me go in and have a look."

Just then—

Biaozi volunteered, with a serious expression: "There might be some clues inside."

"I'll go too," Li Shiji said as well.

"Hmm."

Chen Mang slightly furrowed his brows: "You two, be careful."

"Yes!"

...

Ten minutes later.

Biaozi and Li Shiji came out of this train dungeon, shaking their heads.

"No clues whatsoever."

Li Shiji shook his head and said, "I stood on Biaozi's shoulders and looked inside the train compartment, but it's completely empty, this flesh and blood train seems... more like a living entity, not scrapped, but already dead."

Chen Mang nodded, indicating he understood.

Then he turned to the stairs behind him and briskly walked towards the staircase leading upstairs.

At the end of the corridor, opposite the dungeon of the flesh and blood train was a staircase leading to the next level, indicating that the clue should be on the upper level.

There was no staircase leading down, only one leading up.

This level.

Still a corridor, with train dungeons on both sides, all appearing damaged, unrecognizable.

After exploring for quite some time.

They found a very small "dungeon" in the corner of the corridor, obviously not on the same level as the surrounding dungeons, with just 2 meters in height and an area of about ten square meters.

The gaps in the iron bars of this dungeon were only as wide as a thumb.

No human could possibly squeeze through.

And...

It's excessively narrow, whereas jail cells for humans have gaps in iron bars about 10 centimeters wide, this width effectively prevents any person from slipping through the gaps.

There was also a "door access lock" on the iron bars.

Chen Mang took out the access card and placed it against the door access lock.

The next moment—

The access card in his hand suddenly shattered into countless points of light that merged into the door access lock, followed by a crisp cracking sound, as the lock suddenly broke in two and fell to the ground.

The iron bars instantly retracted into the ground.

The once sealed dungeon suddenly became unobstructed.

In this cramped and narrow dungeon, there was nothing but a humanoid mummified corpse and a small bed... On the table beside it lay a chip and a blueprint.

A steel plate hung on the wall with four large characters written on it.

"Flesh and Blood Cage."

"..."

Chen Mang pondered as he looked around, it resembled the place the warden would stay, just that this warden seemed more human-like; besides a chip and a blueprint, there was also an access card on the table, which should be the access card that could open their cage.

Besides...

There were several sheets of A4 paper on the table, recording a lot of information, but because a long time had passed, it was completely unreadable; with a gentle touch, the paper turned to ashes and vanished into the air.

It seems all the answers must be in that chip.

He glanced around once more but found no further clues. Furrowing his brows, he picked up that "access card" and proceeded downstairs to see if he could really open it.

When Zhang Yi placed the access card on the "door access lock".

The next moment!

Everything around them suddenly began to fracture until it was all still again, and they were back to the position before entering the Adventure Map.

"How did it go, Master Mang!"

The voice of Er Dan came from the train compartment's sound system: "I remember this map has a 24-hour time limit, you all came out so soon, did you clear the map?"

"Not sure."

With a strange look on his face, Chen Mang shook his head; to say it was cleared, there was no reward, just a blueprint and a chip, the main thing was he didn't understand this Adventure Map.

There were basically no clues.

To clear this Adventure Map, one must have the "Dungeon Access Card", otherwise, the Warden's dungeon access card can't be obtained, and the map can't be cleared.

Wait...

He realized what was odd: shouldn't it be the warden's office, why did the warden have his office built like a dungeon style.

Looks like they'll have to wait until Ai fully absorbs the chip to understand what this Adventure Map is all about, hopefully, it contains some useful information.

The Fixed Star train set off again!

No matter what.

At least there's no regret in the "Zombie Basin", all resources were gathered, next they should continue towards the blue area, "Crisis Valley".

This time—

The Fixed Star train made no stops.

Headed directly towards "Crisis Valley"!

He felt a faint sense of anticipation for this new area.

...

About ten minutes later.

The Fixed Star train sped across the wasteland; Ai's voice came through the compartment's sound system.

"Master Mang, the information in the chip is fully absorbed."

"How should I say it..."

"This map wasn't meant for us to enter, we went to the wrong place, it's an opportunity map for a 'Flesh and Blood Train'."

"A long, long time ago, a flesh and blood train escaped from here, and the warden found out the way it escaped was that the flesh and blood train transformed into a thin layer of flesh armor covering the Train Captain."

"Though human, he had the defense and strength equivalent to a flesh and blood train, practically a superhuman."

"Easily slipping through the gaps in the iron bars."

"And smashed all the dungeons, released all the flesh and blood trains, as for why the one in the corner wasn't released, remains unknown."

"The warden's dungeon, those iron bars were for protection; if anything ever happened in the prison, these measures would activate to ensure the warden's safety, but it couldn't be opened from the inside, needing rescue from outside."

"But clearly, the Mechanical Civilization seemed to have no time for such things, leaving the warden to die inside."

"This chip contains his message."

"And that blueprint..."

"It was put in by the fleeing flesh and blood train back then, a purple grade accessory; installing this accessory allows a flesh and blood train to maintain rationality as much as possible and gain an upper hand in battles with flesh and blood train."

"From now on—"

"The ultimate fate of transitioning into a flesh and blood train is to merge with the train, but with specific accessories, even in full integration, one can maintain their consciousness; this accessory, for instance, may eventually allow achieving the heights of that train, transforming the flesh and blood train into armor, effectively deifying the flesh and body!"

"And the only method to open the warden's dungeon was with your access card, Master Mang."

"Without doubt, the one who traded you the Murphy Stone with this access card was likely a flesh and blood train; theoretically, this opportunity was theirs, but they sold it."

"..."

Chen Mang faintly smirked as he grasped the situation, then tucked the accessory blueprint into the drawer,

confirming that this flesh and blood train was indeed a trap.

We'll see when it becomes useful.

...

Nearly an hour later.

The Fixed Star train reached the boundary between "Zombie Basin" and "Crisis Valley".

A massive veil spanned across the two regions, with three enormous characters floating in the sky.

"Crisis Valley".

On the train's screen, several lines of text gradually appeared.

-

"The region ahead is a Blue Zone, Crisis Valley."

"The maximum level of monsters can reach Level 12; current train level is Level 10, with high danger level, exercise caution."

-

"A new journey begins."

Sitting inside the train compartment, Chen Mang gazed ahead at the veil, slowly pushing the control lever, the Fixed Star train accelerated rapidly, surged through the veil straight towards Crisis Valley!

He started to laugh.

He once more felt that adrenaline rush excitement.

"Wish me luck, Old Master." He quietly hoped.

Thanks to you, I'm carrying your dreams this far on my journey."

"Without you, there would be no me."

"I owe you a safe journey, and somehow, against all odds, here I am."

"I'll make sure to offer a few A4 papers the next time."

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