Seeing this situation, Lin Feng couldn't help but frown. The rock in front of him was so hard, which he had never expected before.
After carefully observing the rock in front of him, Lin Feng found that it was indeed somewhat different from what he had dug before.
The rocks he dug before were all blue, but the rocks in front of him were green with some silver. Touching it with his hand, Lin Feng felt a coolness coming from the stone.
At this time, Lin Feng noticed that the energy fluctuations around him had almost doubled. Although it was still relatively weak, as a level 7 cultivator, he could indeed detect it.
In anger, Lin Feng increased the energy injection in his hand, and used the electric pick to push against the rock in front of him.
"when!"
When the pick of the electric pick hit the rock in front, not only did it fail to knock off a piece of gravel, it actually shattered the pick.
It's so hard!
Seeing the scene in front of him, Lin Feng couldn't help but open his mouth.
Although an electric pick is an ordinary wall demolition tool, it is specially designed for this kind of work, and its pick heads are made of professional materials. Although it is not indestructible, it is also extremely tough.
And when the pickaxe hit the rock in front of him, it shattered directly, which meant that the rock was too hard.
Lin Feng touched the rocks on both sides of the wall with his hands and found that they were different from the ones in front of him. They were still the same rocks he dug before.
Could it be that a particularly hard rock is blocking the way? Lin Feng thought to himself.
Returning to the entrance of the cave, Lin Feng took two more pickaxes and returned to the small hole he dug.
Changing the pickaxe, Lin Feng dug towards the wall next to him. A large amount of gravel fell from the wall, and Lin Feng wanted to bypass this hard rock.
But an hour later, Lin Feng finally discovered to his chagrin that the thing in front of him seemed to be more than just a solid rock. He dug a full ten meters and found that no matter where he started digging, after advancing to a certain extent, he would eventually encounter the same hard rock as before.
Lin Feng discovered that the hard rocks exposed ten meters around him seemed to be connected together. The surface is smooth and hard, with no faults at all.
Could it be said that this is a separate wall? Lin Feng suddenly had such an idea in his mind.
In his original world, some banks' underground vaults were designed this way. That kind of vault is built underground and then surrounded by thick walls made of hard steel and other materials. In this way, even if some robbers want to dig holes underground to get to the vault and steal money, it will be impossible. They cannot break through the hard outer wall of the vault.
The scene in front of him was a bit like the vault in Lin Feng's previous life, except that it was not made of metal, but of real stone.
Thinking of this, Lin Feng wanted to know more and more what was behind this hard wall. Now Lin Feng had a feeling that the hard stone in front of him was not naturally formed, but man-made.
Because the width of ten meters was dug continuously, Lin Feng could easily see the barrier in front of him, which was about ten meters wide and as high as one person.
Lin Feng discovered that in addition to being very smooth, the surface of the huge stone in front of him also had some traces left by man-made tools. There are some small scratches on the wall, which should have been left by the machine.
Lin Feng tried touching the stone in front of him with the electric pick in his hand, but it did not leave any trace. That means these lanes were not caused by him, but had been left long ago.
But Lin Feng didn't want to give up just like that. He had been digging here for seven days and couldn't give up just because of a hard barrier. If there is really any good stuff here, it may be seized by those from the mountain forces. Lin Feng wanted to enter the mountain before they discovered the secret.
Putting down the pickaxe in his hand, Lin Feng took out the black iron bayonet he had taken out from the supermarket from his waist. This bayonet is said to be made of black iron, so it is also very sharp.
Taking up 60% of the energy in his body, Lin Feng poured it into the black iron bayonet in his hand. Without hesitation, Lin Feng slashed at the rock in front of him with his knife.
"boom!"
Under Lin Feng's powerful energy, several pieces of gravel were chopped off the rock in front of him.
Looking at the black iron bayonet in his hand, Lin Feng found that there was no damage on the blade.
It seems that this weapon is better, Lin Feng thought to himself.
Since the black iron bayonet could chop the rock in front of him, Lin Feng no longer hesitated and continued to chop at the rock in front of him.
"Bang bang bang..."
As Lin Feng slashed down, gravel continued to fall from the rock in front of him.
However, the rock was extremely hard. After cutting for a full hour, Lin Feng was able to cut off about one meter of the thick rock. This shows how hard the rock is. If it were the same situation before, Lin Feng would be able to move nearly ten meters in an hour.
Since it had an effect on the rocks in front of him, Lin Feng couldn't give up. Time passed little by little, and Lin Feng kept slashing at the rocks in front of him with his black iron bayonet.
With every meter he advanced, Lin Feng felt that the energy fluctuations around him increased by one point. With such an effect, Lin Feng continued this work non-stop.
Another seven days passed. During these seven days, the rats raised their demands on the people they caught. Within a week, others dug holes to a depth of almost a hundred meters, but Lin Feng encountered the hard rock after digging a thousand meters. It took Lin Feng seven full days to penetrate less than a hundred meters deep.
But despite this, Lin Feng's speed of digging hard rocks is no worse than that of ordinary people. At this rate, if other ordinary people dig for another two months, they will probably encounter that kind of hard rock.
But they are all ordinary people, and electric pickaxes have no effect on hard rocks. It is estimated that by then the forces on the mountain will use their cultivators.
But even then, they may not be able to dig out the hard rock like Lin Feng. The black iron bayonet in Lin Feng's hand is something that does not exist in this world. As for whether other weapons have any effect on hard rocks, Lin Feng doesn't know.
On the eighth day, Lin Feng returned to his small hole as always. He had been digging holes for half a month. After going a hundred meters deep into the hard rock, Lin Feng felt that the energy fluctuations around him were very active.
On this day, Lin Feng used the black iron bayonet in his hand to chop at the hard rock in front of him as usual, but suddenly the knife struck down and Lin Feng stopped his movements.
Originally, he felt the strength in his hands relax, but what he saw next shocked Lin Feng.
Lin Feng actually cut a small hole into the hard rock in front of him, and a stream of light shone out from the hole.
(End of chapter)