Apart from the accessories and daily necessities, he was unwilling to consume iron ore.

"Hmm..."

Chen Mang sat in the train cabin, glanced at the "Train Radio," and after ensuring his Traveling Frog hadn't died first, he looked at the control table screen.

He had lost contact with Er Dan for ten days now.

Now he was pondering a question.

Should he upgrade to Level 10 armor first, or Level 9 train first?

-

"Upgrade Requirements": One essential vehicle accessory fully crafted, consuming 150,000 units of Level 2 iron ore, all accessories in the wagon exceeding Level 160, possessing five supermodel effects.

-

Upgrading to a Level 9 train requires consuming 1.5 million units of iron ore.

The upgrade requirements for a Level 9 train are almost identical to a Level 8 train, except the required iron ore consumption differs. Once upgraded to Level 9 train, he could discern why those Level 9 trains couldn't leave the Zombie Basin.

Upgrading from Level 8 to Level 9 armor costs 500,000 units of iron ore per wagon.

Upgrading from Level 9 to Level 10 armor costs 700,000 units of iron ore per wagon.

The Fixed Star Train consists of 16 wagons in total.

That amounts to a total of 11.2 million units of iron ore.

Adding the iron ore required for upgrading to a Level 9 train means it requires 12.7 million units of iron ore in total. Huh, just barely enough.

In that case, there's no need to choose, just take both upgrades.

Next moment—

Several lines of text appeared on the control table screen.

-

"Your train has upgraded to Level 9."

"No new craftable accessories unlocked."

-

Level 9 train!

No new functions were unlocked, not a single additional craftable accessory.

But when he saw the upgrade requirements for a Level 10 train, he suddenly realized why Level 10 was a threshold.

-

"Upgrade Requirements": The train must complete any task of B level or above difficulty and must kill 3 Level 9 monsters from the region to leave the area.

-

These upgrade requirements were indeed somewhat stringent.

Completing a B level difficulty task wasn't easy, no wonder so many trains were stuck at Level 9, unable to leave, probably because at least one of these conditions wasn't met.

Moreover, upgrading to a Level 10 train doesn't require consuming any iron ore, nor has any accessory level, supermodel effect, or quantity limits.

Speaking of which.

The "2D" train should meet the first condition, given it was an A-level potential train.

The "Traveling Frog" also fulfills it as an S-level potential.

He just needs to heavily injure 3 Level 9 monsters before leaving for this train.

As for him...

He satisfies both conditions, meaning he can upgrade to a Level 10 train and leave the area anytime, proceeding to higher level areas.

At the next moment.

He consumed 11.2 million units of iron ore, upgrading all Fixed Star armor to Level 10, leaving only 280,000 units of iron ore inside the train, instantly clearing the iron ore he accumulated over time.

The upgrade cost for defensive accessories was indeed pricey.

He just needs to dig for a while, clear most monsters in the area, wait for Er Dan to exit the Adventure Map and assist Er Dan in breaking through to Level 10 train, so he can leave the area for higher level areas.

Perfect!

Everything is progressing smoothly.

"..."

Chen Mang glanced out of the window, all residents rested today, at noon all residents sat cross-legged outside the train, while Old Pig and others once again moved out those steel frames from "Armor Research and Development Center."

Completing the final assembly of a giant screen using Mecha as a hoist.

The movie was already filmed.

Today was its premiere day.

That giant screen was manufactured using the "Custom Screen Production Line," though it could also be made with Mechanical Eye, the production line price was slightly cheaper and featured a naked-eye 3 effect.

The screen was a hundred meters wide.

Before Doomsday, apart from some super large theaters, it was hard to find such a large screen, directly maximizing viewing experience with strong pressure.

That screen consumed 500,000 units of iron ore!

If not for the screen, he'd have 780,000 units of iron ore now.

Forget it.

"..."

Chen Mang pursed his lips, let everyone watch a movie to relax, at this moment no need to be stingy, then looked at the Level 10 supermodel effect of the "Wagon Steel Armor."

He had quite a few Level 10 supermodel effects.

But this accessory's Level 10 supermodel effect was definitely the priciest!

-

"Level 10 supermodel effect for Wagon Steel Armor": Half consumption on upgrade.

-

"Amazing!"

Chen Mang took a deep breath, dismounted from the train, knelt on the ground, lit three cigarettes, inserted them in the ground, solemnly and sincerely clasped his hands, gazing at the cloudless sky.

"Oh Heaven, I'm sorry as a brother lately, I even forgot to burn incense for you."

"Let me make it up to you now."

"Hope the Level 20 supermodel effect remains half consumption."

Afterwards, he stood up, satisfiedly grinning, pleased with the supermodel effect, the only dissatisfaction being if the supermodel effect appeared at Level 5.

It would've saved him a lot of iron ore.

His current armor should be at least Level 12!

Still, it was enough!

Satisfied.

For unknown reasons, he suddenly felt the air was good today, mood was great, and couldn't help but smile, leaning on his cane, gazing into the horizon, the unknown fear of the "Blue Region" dissipating notably.

In a while, upgrade the "Doomsday Cannon" to Level 20.

Perhaps the supermodel effect of the Level 20 Doomsday Cannon still halves consumption; though a bit wishful, must attempt to know...

He luckily only needed to consume iron ore.

Others tested using Murphy Stone, nobody disclosed supermodel effects, if the supermodel effect from Murphy Stone upgrade was useless, wait to cry!

At this moment—

Zhang Yiren cautiously approached: "Master Mang, the movie preparations are ready, Pig Deputy Captain asked me to invite you, just waiting for you to start."

"Okay."

Chen Mang smiled, walking with the cane toward the opposite side of the train.

Behind him the train parked on the wasteland, alongside a giant screen, ensuring over 5000 residents could clearly see the screen's content.

"This..."

Zhang Yiren puzzledly gazed at the departing back, Master Mang seemed in a good mood? Did he watch the film early and think it was good?

No way...

Is he that strong?

At this time—

Train Radio transmitted Er Dan's voice, just arriving at the train cabin, Chen Mang paused, returning to the cabin: "Ai, wait for the screening."

Then picked up the walkie-talkie.

"How's the situation, Er Dan?"

"All smooth!" came Er Dan's excited voice over the walkie-talkie: "Big haul, Master Mang, where are you, coordinates, I'll find you?"

"Oh?"

Chen Mang raised his eyebrow, glanced outside at the three still burning cigarettes, good things come in pairs!

What day is it, lucky day?

Immediately sent his coordinates.

"Sent you the coordinates, hurry up, just in time for the screening, let's watch together."

"Received."

...

After handling this, Chen Mang pulled three cigars from the drawer, walked outside the cabin, slightly apologetic: "Seemed stingy, come, Heaven, today let's dine well."

Inserted three cigars into the ground.

Then wielded the "Single-Operator Flame Thrower" at the three cigars' cut ends, fiercely pulled the trigger!

Blazing fire abruptly surged out.

After mere seconds, the cigars were ignited.

Cigar ignition is slow, takes time with a lighter, but using a flamethrower is faster and simpler, it was an accessory he obtained recently, the "Single-Operator Flame Thrower Production Line."

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