The sky had completely darkened, the jingle of the day had stopped, and the world had fallen silent again, except for the howling mountain wind.

After a day of excavation, the flying lizard's nest was dug down more than a meter deep, and Su Ming still lived in the previous position, that is, it was already more than a meter shorter than before.

There, he had to experiment to see if he could dig down or go up, so that he could speed up the deduction and determine the direction in which the special energy was emitted.

Five days later

The cave has now completely changed, and the place where Su Ming's bed used to be used is now a large stone pit on the side. Along the stone staircase on the stone wall, they came to the bottom of a pit, where Su Ming and the others were squatting, carefully looking for something in the fine stone pile.

Looking at their attentive appearance, they thought they were counting the sand on the ground.

This situation started four days ago, when Su Ming was transporting the broken rock out of the beating, he accidentally touched a very small crystal crystal with his hand, it was very small, and after taking it out of the rock, it was only the size of a peanut.

If it hadn't just come out a little bit, and it was touched by Su Ming's finger and detected by the system, maybe it would continue to hide and be unknown, this is luck, nothing can stop it.

"Ding, an energy substance is detected and can be absorbed. Excuse me, host, do you absorb it immediately?"

The sudden appearance of the system prompt startled Su Ming a lot, and the stones in his hand fell. The system prompt also disappeared, but Su Ming was sure that the system prompt just now was genuine.

Now it's gone, indicating that you have to come into contact with that energy substance to prompt again.

Su Ming immediately gathered the stones that fell on the ground together, and stroked them one after another, just like stroking a lover, so carefully and gently, and did not let go of any place.

Finally, while he was stroking, oh, inspecting a rock, the system's prompt reappeared. And after continuous testing, he found a small bit of epidermis of the energy stone, which was probably about the same as a needle.

After determining the location, Su Ming carefully knocked the stone open, revealing its true face, the size of a peanut, the whole crystal clear, showing a faint purple, in the light, it is so colorful and mysterious.

Su Ming felt that it was better to give it a name, called the Power Stone. It's too vulgar, it's too irresponsible for it, it's not appropriate, or it's better to call it a spirit stone, after all, it's called like this in Xiuxian novels.

After discovering the spirit stone, Su Ming's morale was high, after all, with the spirit stone, it could be quickly deduced, as long as it was successful, then there would be new exercises, which also meant that the strength of the tribe would be greatly improved in the future.

At least next time, the tribe can hunt even if it's not a badly injured flying lizard, but it doesn't have to migrate in the fall.

And at that time, the prey on the plains was much larger than in other places, and at other times, perhaps just hunting for a few days, and food for the winter was enough.

Now every rock dug out from the bottom of the cave has to be knocked very fine, like sand, and then slowly searched, hoping to find a spirit stone.

With the first piece, there will be a second piece, and soon, the figure of the spirit stone was found in the rock, and with the continuous excavation, Su Ming also found that the frequency of the spirit stone was getting higher and higher.

From the one-meter-deep rock excavated where the first spirit stone was found, Su Ming and the others harvested a total of five spirit stones, and when they dug one meter down, after all of them were processed, they got twelve, and the more they dug down, the more spirit stones they harvested in each layer of rock.

Maybe there is a spirit stone mine below, and now it is only on the periphery of the spirit stone mine, in order to verify the speculation, and also to harvest the spirit stone mine faster, Su Ming and the others will only dig where he sleeps now, and no longer dig the entire cave together.

With the continuous digging deeper, the system's deduction progress of the advanced body forging technique is also like a plug-in, without the use of spirit stones, the system deduction can complete at least 1% of the progress every day, and now it has reached 32%.

At this rate, there will be two months at most before the deduction of the advanced body forging technique can be completed.

The deduction of this advanced body forging technique actually did not use Su Ming's own body data flesh and blood energy, but used the special energy contained in the spirit stone.

To be honest, Su Ming is very curious about what will come out of this performance, what will it be like, everything has not yet been revealed, everything is unknown.

A month later, Su Ming and the others dug up a total of two hundred and twenty-three spirit stones, if it weren't for the heavy snow blocking the mountain, and there was no forcing to dig many rocks, otherwise they would all want to ask the tribe for help.

Even if their bodies could bear it, but repeating the same thing every day, and working at the bottom of the pit deeper and deeper, soon everyone consumed the enthusiasm they had when they found the spirit stone, and they began to get tired of it.

In this way, the excavation work was stopped, even Su Ming no longer slept at the bottom of the pit, and he was tired and tired, which was too painful and depressing.

Seeing that the progress of the deduction had reached 78%, Su Ming decided not to wait, and directly used the spirit stone to speed up. He couldn't wait to see what the Advanced Body Forging Technique was like.

From the pile of spirit stones wrapped in Sancheng animal skins, Su Ming selected the smallest spirit stone and put it in his hand.

"Ding, an energy substance is detected and can be absorbed. Excuse me, host, do you absorb it immediately?"

"Absorb immediately," Su Ming immediately chosen.

Choosing to absorb, Su Ming felt a cool breath that followed his arm all the way to his mind, and then disappeared, while there was one more option on the system panel.

energy

Number of Class 1 (nameable): 1.1

There is also a button that can be accelerated after the deduction, click on the button, and suddenly a plus sign appears to choose how much energy to put in.

When Su Ming saw it, he directly named this energy as spiritual energy, and then directly began to absorb the spirit stone.

Energy plus 1.5, Energy plus 1.3, Energy plus 1.8...... Soon the hundred spirit stones were consumed, and the amount of energy stored in Su Ming's system also reached 153.

In order to see the relationship between the energy invested and the acceleration of the deduction speed, Su Ming first invested 10 units of Kundalini, and then the systematic deduction progress was directly 79% and 80%...... At 83%, it stopped.

Investing 10 units of psionic energy again increased the deduction progress by another 5%, and once again investing 10 units of psionic energy, the deduction progress still increased by 5% to 93%. It seems that there is no problem that the Deduction requires different psionic energy for each acceleration of the deduction progress at different progressions.

There is still a difference of 7%, and Su Ming is not in 10 units, and 10 units are invested. Instead, invest 15 units of psionic energy, which directly accelerates the deduction progress to 100%.

The advanced body forging technique deduction is completed

Su Ming couldn't wait to start looking at the functional description of the Advanced Body Forging Technique to see what kind of magic it had, it needed special energy like psionic energy.