Ten days later, Li Yunfei already knew the situation within hundreds of kilometers around Bucks City.

Where there is a mountain range, where there are warrior relics, where there are mineral deposits, even where there is a tree can be remembered clearly.

Speaking of which, the surroundings of this Buck City are also very good, not only are there many warrior relics, but also a vein of fire copper, for Li Yunfei's next concept, fire copper is also an extremely important resource, it can be said that it should not be in vain.

After knowing the situation around Bucks City and drawing a map in his mind, Li Yunfei stopped his wilderness reconnaissance.

At this time, the reincarnation of the Sands of Time had been carried out more than one hundred and twenty times, and this morning, when the time turned to the moment he touched the Sands of Time again, the corners of Li Yunfei's mouth raised, a smile appeared, and he turned around and began to wander around Bucks City.

Seeing this scene, Lao Yan's eyes couldn't help but widen and he couldn't believe everything in front of him.

In his eyes, this kid is simply a madman with masochistic tendencies, during this time, in addition to practicing lifelessly, he kept going mad, that is, he went into the wilderness to find places where birds don't, and almost dug three feet into the ground, so to speak, after finishing the hard work and being a miner, he couldn't stop at all.

And now this kid is actually starting to walk!

"Hey, boy, you're finally enlightened! Aren't you crazy? Talk to my uncle, I'm almost suffocating, uncle, I'm most afraid of loneliness, do you understand the heart of a lonely old man who has lived for tens of thousands of years......" Lao Yan began to chatter again.

It's just that he hasn't finished saying this sentence yet, Li Yunfei has already thrown him out of his arm casually, and he is in a piece of rubble on the side of ****.

The already unstable rubble ...... immediately dumped down and buried the old burner......

"Someone's beating up the elderly! Come on! Come on!" Old Burner's voice came from under the rubble, and it sounded like an urn, "I said Thor, little Thor, big brother Thor! Uncle! Dig me out! I'm afraid of the dark! Don't! Don't go! Are you leaving? Are you leaving? I said how can you bear ......?"

Li Yunfei continued to walk forward without looking back, and after a while, he had walked far away and came to a fairly intact building.

Seeing this house, Li Yunfei was very satisfied, he searched for a long time, just to find such a place.

If this house is different from any other building, it has an extremely smooth black wall made entirely of marble!

What Li Yunfei needs now is such a thing.

Then he smiled slightly, took out a specially made white coat from the spatial ring and put it on his body, and after a little thought, the flames on his fingertips burned, and began to carve on this black wall.

Figures in the shape of a human or a square appear on the wall, along with characters and formulas.

With the power of his fingers and the heat, the marble walls were almost like a clay slab, and they were very useful.

A large part of the reason why Lao Yan was thrown aside was that he didn't want anyone to see the things he was writing now.

Of course, even if Lao Yan was really here, he couldn't understand what Li Yunfei wrote at all, because all he wrote were Arabic numerals and various letters from his previous life.

But through the graphics he draws, you may be able to guess what he's doing.

If Li Yunfei's real teacher, the powerful alchemy master Silver Spider Karis, was here, he would definitely be able to see that all the drawings on this wall were all kinds of alchemy structure diagrams, and many of them were deeply related to the alchemy puppet experiments he had done before.

And if a magic gold chariot driver appeared here, he would also be able to recognize that the square shapes drawn by Li Yunfei were the magic gold chariots.

However, compared to the magic gold chariots they were driving now, the magic gold chariots drawn by Li Yunfei were more beautiful, and their shapes were like fish.

It's just that the huge humanoid images painted by Li Yunfei will never be recognized.

The wind was howling, the white-clothed were hunting, Li Yunfei was writing and painting on the stone wall with a solemn face, and occasionally he would directly wipe off some carved graphics with his palm, and the stone chips were flying.

At the same time, his spatial ring flickered from time to time, and alchemy dolls that he had collected before, as well as various components and raw materials, appeared around. Li Yunfei often glanced at it a few times, and then began to write quickly.

If it weren't for the ruined environment around him, he would have thought that he had returned to the laboratory of his previous life, and was verifying various ideas on the abacus.

At this time, Li Yunfei was already completely immersed in writing, and after a while, most of the stone wall had been written by him.

Time flies, and the night is coming soon, but it can't hinder Li Yunfei's actions in the slightest, you must know that he is directly carved on the stone wall with flames, and the bright flames can completely illuminate everything around him.

By midnight, the building's four walls were densely carved with various shapes and characters.

Most of these figures are huge humanoids, as well as various disassembled limbs, and dense snake-like pipes, which I don't know what they are used for.

Finally, the moon rose to the zenith again, the cycle of the day reopened, and in the blink of an eye, the time turned to early morning, and Li Yunfei still maintained the posture of just touching the sand of time.

"It's finally come out, but it's suffocating my old man! Boy, you're not human! I'm mad! I don't know how to respect the elderly, and your behavior is simply ...... Hey, what are you doing? I won't say it, can't I stop talking! Don't ...... you?" Lao Yan, who had escaped from the ruins, first shouted, but then found that Li Yunfei had arrested him again, and threw him into the rubble on the side without saying a word.

A pile ......of gravel and mud fell, and the old burner was buried again.

"You're a thousand-knife killer! The world is going down, and people's hearts are not ancient! Dig me out quickly--I'm wrong, brother, Uncle Thor! Grandpa! I'm afraid of the dark! Don't go......"

As if he hadn't heard it at all, Li Yunfei returned to the front of the marble building again.

At this time, time has reincarnated again, and the original dense portrayal has all disappeared, and the entire wall is as clean as new.

However, Li Yunfei did not have the slightest regrets, the things he wrote down yesterday and the results after the calculation were all left in his mind.

Then, without the slightest hesitation, Li Yunfei's fingertips ignited a raging flame again, and a new round of writing began.

After cultivating Dou Qi and surveying the terrain, the cycle of calculus writing began.

This time, after sixty days of reincarnation, Li Yunfei breathed a sigh of relief and showed a satisfied smile.

The research, which had been out of time for a long time, was finally completed at this time.

As for the next step of the magic gold industry, he already knew it at this time.

When he left here and returned to Roland Megacity, it was the time when the magic gold industry began to develop greatly!

At this time, the reincarnation of this day had been carried out more than two hundred times, and Li Yunfei sat cross-legged on the ground and began the cultivation of the "Burning World Flame Extinguishing Technique" again.

However, what he cultivated before was the Burning Sky Fighting Flame, but this time what he cultivated was those mysterious and mysterious "techniques!"

"Burning the World Flame Extinguishing Technique" is worthy of being a technique created by the gods, not only has extremely powerful power in forging the body, but these magical "techniques" make Li Yunfei feel refreshed.

You must know that he has only cultivated a "hidden" word trick before, and he has been able to hide his aura in front of those powerful golden warriors, and he doesn't know what the effect of the "technique" behind him will be.

This time, he didn't bury Lao Yan again, but put him not far in front of him and began the cultivation of "art".

With the previous lesson, Lao Yan has completely lost his temper, not only does he not dare to speak poorly at all, but he also guides Li Yunfei's cultivation from time to time, just like an amiable old principal.

This artifact master has completely understood that no matter how much he is an artifact, he will not be angry at all in front of this young man, and the other party will simply eat him to death.

There is almost no concept of time in cultivation, and the reincarnation of each day passes, but Li Yunfei is completely willing.

Because he found that these "techniques" have extremely interesting places, and there are several "techniques" that are extremely powerful!

What he can cultivate now is, in addition to "hidden", "explosive" and "cut".

Although he could only practice to a certain level every time, time would reincarnate again, and the previous hard work would disappear immediately, but this kind of non-stop practice had accumulated a huge amount of experience for him.

These experiences mean fewer detours and more skillful use!

Taking the word "hidden" as an example, it took him hours or even days to enter the state of "hidden" at the beginning, but now he has completely sent and received it freely, and he can collect the Burning Sky Dou Flame in his body at any time, as if he would turn into a corpse in an instant.

Immersed in cultivation, Li Yunfei even forgot to count how many reincarnations he had passed.

And Lao Yan is even more suffocated every day, but he doesn't dare to spill, he is simply depressed like a wronged little old lady.

In the early morning of this day, everything was reincarnated again, and Li Yunfei didn't even stop, he sat cross-legged on the ground and began to cultivate again.

In the previous reincarnation, he had a deeper understanding of "explosion" and "cut", and now he needs to seize this opportunity to try to recall how he felt at that time.

Lao Yan stood there bored, staring blankly at the sky with his mouth open, like a puppet.

At this moment, a small black dot appeared in the sky and slowly drifted past.

"There's a bird. The old man said dumbfoundedly.

The next second, he suddenly woke up from a dream and shouted: "It's a bird! It's a bird! It's a bird! It's alive! The cycle of reincarnation is lifted! We can go out!"