My Level Zero System

However, if Kain could actually upgrade [Thunder Magic] from [★] to [★★], his strength would jump to a terrifying extent…

Alright, Kain admitted that he had been hesitating all this time because he had experienced enough of the mighty power of the "incomplete mid-class magic skill". With this, the slow, step-by-step growth in strength from upgrading other low-class magic could not satisfy Kain.

And of course, this increase is also limited, and will also gradually decrease, until upgrading low-class magic skills has no other effect except to fill the skill pool.

So in the end, Kain chose to walk the path of upgrading [Thunder Magic].

"1000 skill points…"

Kain whined, then he sighed.

Although he had prepared himself mentally for a long time, it would be a lie to say he didn't feel any pressure.

But this was a challenge that Kain accepted.

Feeling a little better, Kain stood up and walked out of the guardian monster's room.

Seeing Kain come out, the Adventurers who were sitting outside in a daze cheered happily, at the same time, Kain's strength in their hearts became even higher to the point where it was hard to estimate. Because after going through such a battle, Kain was still completely unaffected.

Following behind Kain, the five of them were led into the large room of the guardian monster. The first thing that caught their eyes as they entered was the giant corpse of the monster.

"Damn! It's the Pythonel!"

An Adventurer was so scared that he jumped up.

Everyone couldn't help but feel secretly scared. With their previous plan, the amount of explosives they had prepared could only kill Salamanders, which were usually the guardian monsters of this floor. But whether or not this amount of explosives could break the scales of a Pythonel like this was another problem.

Once again, if it weren't for Kain's appearance, most likely they would all have died here. Unable to defeat the guardian monster, they wouldn't be able to return even if they survived the battle. And it would be a hopeless and horrible death.

"Sir, these scales... are very valuable."

An Adventurer spoke up.

Kain just nodded, not too surprised.

These scales are like pieces of metal, or rather, they are metal, no matter if it is used to make weapons, armor or other tools, the effects of metal are undeniable.

"Sir, If you don't mind..."

"Go ahead, the previous agreement still stands."

Kain waved his hand casually, then sat down to rest, looking as if he didn't care as he took out his drink and food to eat.

The other five people thanked Kain profusely. Then they started to work hard to mine the pile of scales. Because the monster's body was too huge, they could only mine a small part of it.

This had to take into account each person's carrying capacity. Of course, their calculations did not include Kain.

Even so, Kain could still see the plight the Adventurers were in. So after resting, he stood up and left the guardian monster's room.

The others were still working diligently, not noticing when Kain left. Only when they rested did they realize where Kain had gone.

While these people were still confused, Kain returned, bringing something that made them even more confused.

What did they just see?

A chariot? No.

It's a chariot made of bones!

Looking at this carriage that was like a unique work of art, all five Adventurers gasped in amazement.

"Sir… You... really made this?"

One asked in an uncertain voice.

Even though they already knew what the answer was, this was still too miraculous.

Sure enough, as expected, Kain nodded.

This cart was made from the long, sturdy bones of Salamander corpses, tied together with their tendons because they were even more flexible than rope. The wheels were made from a single piece of stone carved into the shape of a wheel, which wasn't too difficult.

The other Adventurers assumed that Kain's hands would not touch these things, but the truth was that he had done so for most of his life.

And after the initial confusion, all the Adventurers were delighted, with this bone cart, they could further optimize the amount of resources they earned.

No one is afraid of getting dirty, if they are afraid of getting dirty then it's best to quit being an Adventurer from the beginning.

Afterwards, everyone sat down to eat and drink to replenish their strength. Because their luggage was either lost or unusable, the food and water provided during this period of time all came from Kain.

After all, he had been preparing food for three months, and only twenty days had passed, so it was only a small loss for Kain.

One person could not help but sigh.

"I heard that there is an extremely magical Magus artifact, it is clearly a small bag that can only fit in the palm of your hand, but you can put anything in it, and it doesn't increase the volume of the bag. If there is such a magical creature, then why would we be afraid of not being able to get more supplies?"

"It does sound magical, doesn't it, Sir Kain?"

"That's not far off, it's not a rumor, it's the truth."

Kain nodded and said.

During his time studying at the academy, he also spent time expanding his knowledge. And the magical artifact that the Adventurer mentioned was called the "bottomless bag", a magical item created by the legendary Magus who possessed [Space Magic].

With that thing, you can literally stuff anything.

Although Kain is unclear on the principle of creating such an absurd thing, in the book's description, the Magus created this thing from an application to "dimensions where ordinary perception can hardly conceive".

After resting, the Adventurers returned to work.

Only Kain remained at the resting place, but no one complained about that. They even take it for granted.

Finally, after two days, the entire bone cart was filled, every possible place was stuffed. And to prevent it from being too bloated, a cloth provided by Kain was draped over the top to completely seal it all.

"This time, I will return with you guys."