That is to say...

When he was still at the "Earth Core Nuclear Bomb" adventure map, he could have just found this train elevator and taken his Level 6 train directly to "Crisis Valley"!

Although doing so would forgo the adventure map's rewards and be meaningless.

The Level 6 train reaching the blue zone would be a waste.

But there indeed was such a passage.

Currently, this train elevator once again revealed a funnel, indicating that he should insert a coin. Once he did, the train elevator would open again.

"..."

Chen Mang, with a complex expression, controlled the Fixed Star Train towards the "Supersonic Train Tunnel", the tunnel through which he had escaped the adventure map that day. After the drill quickly cleared the entrance of debris,

He shot upwards along the tunnel at an angle!

Due to the tunnel being damaged, the supersonic effect could no longer be used, and the passage was almost completely blocked by earth, yet the drill opened the way.

...

Ten minutes later.

The Fixed Star Train hovered above Zombie Basin, with the train positioned just above that small mountain, precisely the one he flew out of that day.

Not far away was the place where the "Zombie Volcano" erupted.

"Not bad..."

Chen Mang quietly looked around; this small mountain was the exit, allowing only exit, no entry.

The next moment——

"Boom boom!!"

Under the accessory effect of the "weather control device", dark clouds covered the sky above the Fixed Star Train. A storm quickly enveloped, and rumbling thunder resounded between heaven and earth. Sometimes, lightning could be seen streaking through the clouds.

Under the thunderstorm.

The clouds below the Fixed Star Train also quickly turned into dark clouds.

This was the Level 10 supermodel effect of the Bunny Cloud wheels.

"When in stormy weather, clouds convert to dark clouds, drastically increasing speed."

Speed reached its peak!

Once again, heading north towards "Crisis Valley", and continuing to drill deep into the earth, finding the hole he just drilled out of, returning to the train tunnel three kilometers underground, again turning the train southward swiftly.

Soon...

He passed the intersection of Zombie Basin and Crisis Valley again.

This time, he did not control the speed, almost at peak speed, racing underground with the accessory effect of the "weather control device", the gale enveloped the train, and the Wind-Fire Wheel started burning fast, giving the train another speed boost!

Soon after, the incandescent lights on both sides of the train tunnel started flickering red, full of warning.

Once more, he arrived at the entrance of the "Earth Core Nuclear Bomb" adventure map's train elevator.

This time, he did not stop for a moment.

Instead, he directly maintained speed, driving deep into the tunnel, which gradually became less straight and started having slight curves.

And the region he belonged to on the control panel screen kept changing.

From Zombie Basin to Kunlun Mountain, then to icy snowfields.

Before long, the incandescent lights in the train tunnel again turned into continuously flickering red warning lights.

...

"..."

At this moment, Chen Mang walked down from the train cabin, wearing a sweater wrapped in a blanket, looking down at the vast snowy landscape below, he absentmindedly took out a cigarette from his pocket and lightly snapped his fingers.

The next moment——

Ai's left arm suddenly extended from the train cabin window, spanning several meters, came to Chen Mang, and with a puff, a flame was sprayed out.

He turned back to glance at Ai's arm, which quickly retracted like Monkey D. Luffy's, and said softly, "Modified again?"

"Mm-hmm, just a little modification."

Chen Mang didn't speak further, only sighed lightly, then, somewhat dazed, used his knuckle to rub his temple, as light blue smoke drifted in the air, with the chill keeping his mind quite clear at the moment.

He is currently positioned on a collapsed snowy mountain.

It was the snowy mountain of the "Level 7 Mechanical Zombie King".

Just now, the train elevator in the tunnel led directly to the secret factory of the mechanical civilization under the mountain.

This is a green zone.

A Level 10 train arrived here, with a rather strange feeling.

This "train tunnel" undoubtedly has something significant, yet he hasn't discovered where exactly that is. Just the fact that this train tunnel allows traversal between areas without regard for the base rule that higher-level trains cannot go to lower-level areas means this train tunnel is unusual.

The contents of this secret factory had been completely cleared out by him.

Nothing was left.

He didn't stay long either, but finished his cigarette and then returned along the elevator to the train tunnel. It still wasn't the end, as he continued to race swiftly along the train tunnel.

...

About half an hour later.

The train appeared above a tall tower.

Yes...

This was the "Heaven-Reaching Tower", located on the Shahe Plain's Heaven-Reaching Tower.

After he and Er Dan cleared this adventure map last time, the light curtain outside this adventure map changed.

-

"The area ahead is a Restricted Area, Heaven-Reaching Tower."

"Staying over ten seconds will incur intense attack"

-

Therefore, when Chen Mang discovered that coming up through that "train elevator" in the tunnel led him to the Heaven-Reaching Tower, his expression immediately changed, and he quickly planned to return to the train tunnel, as he did not want to suffer any intense attacks.

However, he had to first drive the train out of the elevator and complete the coin insertion before the train would operate again.

This was the established procedure.

Although rigid, there was no alternative; he had to follow it.

Despite trying to speed up as much as possible, the whole process was time-consuming, and before he could drop a Level 2 Energy Stone into the funnel, ten seconds had already passed.

Chen Mang furrowed his brow and placed his hand on the train stunt "Absolute Defense," ready to activate it at any moment to withstand any potential intense attack.

But——

After patiently waiting for dozens of seconds.

Nothing happened; let alone an intense attack, there wasn't even the slightest movement, extremely quiet.

"Huh?"

He confusedly sat inside the train cabin looking around, perhaps because he wasn't trespassing illegally but... entered this Restricted Area through a secret procedure, thus not receiving any penalty?

Upon realizing this.

He was no longer panicked.

He just gazed at the "Mechanical City" on top of the Heaven-Reaching Tower. After they completed the challenge previously, this Mechanical City's self-destruct system was activated, and the entire city turned into a wasteland amidst explosions, leaving nothing behind now.

"Shahe Plain, huh."

Chen Mang looked towards the leaderboard, and his name wasn't on it. Clearly, the Fixed Star Train did not truly belong to this area, and he couldn't connect to this area's Train Radio or the "Crisis Valley" area's Train Radio either.

In other words...

He was now in a rogue state, or a bugged state because theoretically, other areas couldn't detect the underground train tunnel. Only the "Crisis Valley" area could detect it. Moreover, even if detected, the outer shell of the train tunnel was extremely tough, impossible to enter.

Unless you have a Level 100 drill.

Ironically.

He actually did.

Usually, to have a Level 100 drill, you would need to consume only 98 Murphy Stones.

Not much, you could earn it by completing the S-level difficulty task in the Undersea Maze four times.

...

"..."

With a sense of nostalgia, Chen Mang controlled the train to fly out of the Heaven-Reaching Tower, heading towards a Level 4 train speeding below the Heaven-Reaching Tower, planning to bestow an opportunity, like offering 50,000 units of iron ore or something.

To let the other party experience the meaning of inexplicable.

He looked at the leaderboard; his name was not on it, which clearly indicated that the Fixed Star Train does not officially belong to this area, and he couldn't connect to this area's Train Radio or the "Crisis Valley" area's Train Radio.

Oh, now Er Dan is no longer a mere friend, having become his companion train.

Well, even the only friend is not there anymore.

However, when Chen Mang landed the Fixed Star Train and stopped this Level 4 train, he discovered that it was unexpectedly an old acquaintance.

It was the very train that brazenly drove past his train from the front that day, playing King of Electronic Music loudly!

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