Between these two rewards, which one carries more weight?

It varies from person to person.

For him, Murphy Stone has no use, only a value for exchanging resources. For example, he sells Murphy Stones on the Train Radio, but Mondo told him that the main point of a "transaction" is to receive the payment; whether or not it's delivered is unimportant.

No one cares.

Once the payment is acquired, it's a good deal.

Now the Murphy Stone has even lost its only trading attribute...

...

Half an hour later.

Chen Mang descended from the train room once more, with no consolation prize to speak of. Earlier, Er Dan mentioned to him there might be one, but now it seems only the pioneers get consolation prizes.

However...

Er Dan had successfully upgraded his train to Level 4 and completed the S-Rank Mechanical Train transition task. At this moment, he was choosing from three train stunts over there.

One could say.

"Rare Train Order" + "S-Level Potential"!

This combination is practically the perfect start for a Mechanical Train, without exception. This doesn't count him, after all, his Level 0 permissions come pre-installed, which is a cheat not everyone has.

And that robot had also landed off to the side.

It had already been hauled back by Ai to the "Armor Research and Development Center". It seems Ai might be able to have two bodies in the future.

Pretty good.

At this time, Er Dan came running over excitedly, saying, "Master Mang, you gave me that purple-grade vehicle accessory 'Gilded Tail Spray', right? Just so happens my Azure Dragon originally had a lot of acceleration accessories, I've taken them all apart, and just now, among the three train stunts, I've selected one that boosts burst speed."

"With the train stunt activated, my train can reach a maximum speed of 6000 km/h."

"..."

Chen Mang's mouth twitched slightly. This speed was quite exaggerated, almost equivalent to the top speed of many fighter jets: "What's that red-grade heavy firepower you got?"

"Uh..."

Er Dan sighed with some regret: "It's not very useful, I got a 'Armed Black Hole Robot Production Line', red-grade. It can manufacture attack-type robots. Actually, I don't know how this can count as a heavy firepower accessory; it needs to be placed inside the Gate of Space."

Chen Mang's eyes narrowed slightly: "You produce it and place it in a carriage, then give it to me. I think I can use this."

"Alright!"

He didn't say anything more, just glanced at the train behind Er Dan.

This should be the only Level 4 train in the Zombie Basin.

Advanced areas don't allow entry of low-level trains, but if a train is built in an advanced area, that's a different matter. However, the low-level trains built can only remain in that area and can't head to lower-level areas.

...

Next up—

Er Dan continued upgrading all the way to Level 6, but had to stop there.

To go further, to upgrade to Level 7, he first needed to clear an Adventure Map, which the "Traveling Frog" train had not yet cleared.

In total, he consumed a small amount of wood, copper ore, and 1.8 million units of iron ore.

The major expenditure here was the armor.

That's right!

Chen Mang directly took out 6 Murphy Stones and used them on the "Traveling Frog", upgrading the armor of Er Dan's train engine to Level 9!

Short and sturdy!

Although small, it was tough enough!

The armor, from all perspectives, at least for now, is superior to the Energy Shield. Not only can it directly resist energy and physical attacks, but it also doesn't consume extra energy nor have lapses in activation due to failure to detect enemy presence.

If a train uses 17 carriages, then upgrading its armor to Level 9 would require a large amount of Murphy Stones.

But with only one train engine, upgrading requires far fewer Murphy Stones.

"Go on."

Chen Mang provided the "Traveling Frog" with 200,000 units of iron ore and 1 million units of copper ore, then looked at Er Dan sitting in the train room and waved his hand with a smile: "Clear an Adventure Map sooner, upgrade to Level 9 train quickly, and don't fall behind me by then."

"Bring me back some good stuff sooner."

"Once cleared, make a good strategy, and I'll go once more, to get a double reward."

"No problem!"

The train in front, which only had a train engine, was mounted with 5 Three-legged Cat Heavy Machine Guns and 10 Doomsday Cannons on top, all taken down and looking completely unappealing, much like a spikey iron porcupine.

Chen Mang even took out 2 Murphy Stones to upgrade one of the Doomsday Cannons to Level 10.

It had the potential to slay Level 10 monsters and held two supermodel effects of half consumption.

One might say.

Despite being small, this train in the Zombie Basin was considered invincible. No other train could pull a hit-and-run scam on this one, seeing that all these accessories were concentrated on the train engine, making it look somewhat crowded.

Especially on both sides of the train engine.

Various Tail Sprays, a total of seven kinds, gathered from who knows where.

At this moment, the "Bunny Cloud" wheels were already switched out.

With the 14 Tail Sprays emitting different colors of fire, the train instantly vanished at a blinding speed into the horizon. A few seconds later, a piercing sonic boom could be heard, leaving even a white streak across the sky.

As if a straight smoke band along the equator.

Straight and clear.

"This guy..."

Old Pig looked at the train that disappeared at the end of the field of vision and sighed with some emotion: "Isn't this like an intern turned full-time? Directly from a loose cultivator to becoming the Field Elder of a sect, check out how the benefits instantly skyrocketed, upgraded directly to Level 9 armor."

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