After returning to the courtyard, He Yiming rested for half a day before he arrived in the underground secret room.

After opening the copied wood-type auxiliary exercises, He Yiming began to ponder carefully.

The next moment, what surprised him was that the contents of this secret book seemed to become extremely familiar. He just opened them casually and immediately understood the contents of it.

This feeling was like his familiarity with Hunyuan Jin, which had been completely engraved into his bones and soul.

He was shocked and suddenly thought of the incredible and unexplainable magical state he had encountered in the library just now.

He had such a feeling, perhaps it was because of this inexplicable state that he imprinted everything in this secret book into his mind, as if he had studied this thing for the rest of his life.

The bone transformation technique may sound a bit creepy, but in fact, it is not a trauma that harms people, but a strange technique to practice your own bones.

Once this technique is successfully practiced, the bones on your body can be stretched and contracted within a certain range. According to the above description, an adult can even reduce the height of his body by one head in an instant.

Of course, it will not take a day to practice to this level, and you must have talent in this area.

If a person has poor bones, he will never be able to practice to the best level.

Also, it is best to start practicing this technique when a person is underage. If a person becomes an adult, his bones will be completely grown. When he practices again, he will achieve twice the result with half the effort, and he may not be able to practice successfully.

However, He Yiming was not worried about this. The practice of so many strange martial arts in the past made him full of confidence in his body.

Since the adventure in the lake, there seems to be no martial art that cannot be practiced or reached the peak level.

Putting down the copied secret book, He Yiming took a deep breath, and the internal energy in his dantian boiled like a tide.

The powerful internal force kept flowing, and waves burst out huge energy in his body like waves. His bones were affected by internal force and began to undergo strange changes in the next moment.

A burning feeling appeared on each bone, as if the iron ore had been baptized by high temperature, repelling the impurities inside little by little, and slowly extracting the most essence of it.

His bones seemed to be faintly soft and crisp. The bones, which were originally hard as the sea rocks that had experienced countless winds and rains, slowly undergo a strange change. They seemed to have turned into cavernous bodies and began to condense into a ball.

This is the greatest strange ability in bone transformation technique, bone refining.

Use your huge internal strength as the guide and your body as the furnace to exercise every bone. This process is not only long, but also extremely painful. But if someone can completely persist, not only will his own bones be strongly trained, but they are far ten times tougher than before, but also have the ability to turn bones into cotton, and can stretch and contract as much as you want.

Of course, it is impossible for humans to be bones to be compared with sponges, but when this technique is practiced to the extreme, it is not difficult to reduce the height of a head as described in the book.

He Yiming felt every change in his body wholeheartedly.

The pain of bone refining did not seem to be very unbearable to him. This was not a mistake in the martial arts, but his bones seemed to be unique and seemed to be trained by some kind of strength. Therefore, this bone refining technique was just the icing on the cake and did not make him feel unbearable.

He Yiming didn't know that his body had begun to shrink slowly. Not only was a certain part shrinking, but the whole person began to shrink.

After a long time, his closed eyes moved slightly and finally opened.

He took a long breath. The practice of this technique was much more difficult than he imagined. If it weren't for all the contents of this technique and some of the experience notes in his heart, he might not have been able to successfully practice it at one time.

Opening his eyes, He Yiming was stunned. He suddenly realized that everything he saw in his eyes seemed to have undergone a wonderful change.

But the next moment he immediately understood that it was not that the surrounding environment had changed, but that his figure had changed.

His body actually shrank nearly one end, and his body shape has also changed accordingly.

He raised his hand, but found that his arms had been retracted into his sleeves, stretched out his legs, and indeed his lower limbs were also shrinking a little.

He Yiming had a strange look on his face. After all, he was still a fourteen-year-old child. He suddenly encountered such a situation and couldn't help but feel very interesting.

After shaking his hands and feet for a while, He Yiming finally had enough fun. He stretched his arms flat and pulled them slightly backward.

With his movements, a series of "crackling" sounds like firecrackers suddenly came from his body.

Then, his body began to grow taller magically.

After a while, He Yiming came back again, and the inexplicably lowered height grew back.

His bone-transformation technique has become more successful in just one day.

However, He Yiming did not stop. He took a deep breath. As he inhaled this breath, his body suddenly became thick and fat.

It's like a thin man who suddenly put a ball in his belly, and his whole body became deformed.

This is another function of bone transformation surgery, which increases the gap between bones and thus increases the entire person's height.

Of course, the difficulty of elevating is far greater than shrinking the bone. Even if He Yiming practiced this technique to the peak, it would not be possible to grow half of it out of thin air.

His height had just grown half his head and stopped. Being able to reach this point is already the limit that the human body can reach.

If you want to grow up, then perhaps only the strong people in the innate realm can do it.

After trying various effects of bone transformation, He Yiming finally calmed down.

For him, bone transformation technique is just a fun technique, just like a toy that a child likes.

However, his purpose of practicing bone transformation technique was not to play, but to increase his internal strength and break through to the top ten level.

After sitting cross-legged again, the huge internal energy in He Yiming's body began to slowly move.

This time the internal energy was not fast, but when it was running, it was a kind of stubbornness that was as solemn as a mountain, with a determination, and would not stop until the end of the Wujiang River.

What travels through the meridians in the body is not the fire-type exercise that is like a prairie fire, but the Hunyuan Jin, a golden exercise that He Yiming has been in contact with since he was five years old.

This is his first practice technique. Now that he is impacting the tenth level of internal strength, it is also the same set of techniques.

Slowly, the huge internal force stopped at the gate of the tenth level line.

These internal forces did not start to impact or dissipate, but were blocked here little by little.

The ten-story extreme barrier is like a huge dam, blocking all internal energy into the upstream reservoir. No matter how turbulent the water in the reservoir is, as long as it does not exceed the height of the dam, it will never spread out.

This embankment is a barrier, and the internal strength is flowing water.

When a person is practicing internal energy, his body is like this big reservoir, and the water inside continues to accumulate and increase.

When the internal strength reaches this level, the water in the reservoir has accumulated to the limit that the reservoir can accommodate, that is, it is time to impact the embankment.

From that moment on, no matter how the practitioners practice, the internal strength in their bodies will never increase by one point.

If you want to accumulate more internal energy in your body, you must find a way to make the water in the reservoir break through the embankment and enter a wider world.

This is the process of breaking through the limit barrier and successfully advancing.

However, although this principle is well known, it is extremely difficult to make the water break through the embankment without letting the water wash the entire reservoir down.

Practitioners always encounter extreme barriers, practice in seclusion, or wander around in search of opportunities and break through difficulties.

But there are no one out of ten who can really find opportunities and make a breakthrough smoothly.

If it is the first few layers, it is a little simpler, but when it hits the tenth level, it is really difficult to reach the sky.

Looking at the entire Taicang County, there are only two people with the ten-story internal strength. Even in Taichong County, where horses and thieves are rampant and everyone is full of soldiers, there will be no more than ten people with the ten-story internal strength cultivation level.

From this we can see how difficult it is to break through this level.

However, if all this is put on He Yiming, it will be no problem at all.

His physique is extremely special. Even when he reaches the limit barrier, as long as he practices a certain new technique, even the most trash in the world can increase his internal strength slightly.

And it is precisely this little internal strength that is enough to become the last straw that defeats the camel.

It is precisely this little internal strength that allows the water in the reservoir to have enough power to break through the embankment.

A difference of slight difference can lead to a thousand miles of mistakes.

He Yiming created his name as a genius with his little more internal energy than others.

At this moment, when he gathered all his internal energy at the entrance of the tenth level meridians, he finally couldn't bear the huge pressure at the tenth level and broke through it with a bang.

The huge internal energy flowed into the new meridians, like a dragon returning to the sea, and an extremely wonderful feeling surged all over the body, and it was indescribably refreshing.

On the tenth level, he finally reached the limitless realm that ordinary practitioners could not reach.

Ps: It's time to the tenth floor, do you have any tickets? Let's take two tickets^_^
Chapter completed!