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Lu Chen is still shaken by the experience.

Using the force of that palm strike, his speed increased significantly again. After rushing into the city, he was shot by an arrow by a soldier, but he ran fast and missed.

The most dangerous thing was Qingzhu's angry palm strike.

Fortunately, he was wearing leather armor and a breastplate the whole time; otherwise, even if Qingzhu's palm strike didn't kill him, it would have seriously injured him.

"My Vajra Body and Iron Armor Technique have worked wonders, and my Primordial Body is also quite good; its recovery speed is indeed powerful. Before, I felt like I was about to die from the pain, but now I can still endure it!"

Lu Chen went to a secluded corner and glanced at his leather armor and breastplate.

The breastplate on the back was dented, and a handprint was clearly visible.

The leather armor was completely destroyed, even the back area was ruined, revealing a hand-shaped hole. When he took it off, the leather in that area was already brittle and turned into powder.

It was only a few days after I got it, and then it was smashed to pieces.

"This was incredibly close; it was like dancing on a knife's edge!"

Lu Chen felt that things had been too smooth for him before, which made him lack a sense of awe and crisis towards stronger forces.

"I must be more careful from now on. I can't afford to die before I've spent all my money, or I'll have wasted my time traveling here!"

He reminded himself of this.

"However, the gains this time were still quite good. Although I only heard half of the breathing technique, I understood the principle. The details that followed were just about meridian circulation and breathing methods, which had already shed their mystery for me!"

Lu Chen thought of the breathing technique, rubbed his aching body, and became excited.

His face was slightly pale. As he walked down the street, he realized he had no new clothes, so he went to a clothing store and bought a few pieces. Then he went to a blacksmith shop and asked them to make some plum blossom darts, coin darts, and armor-piercing spikes for him.

He didn't choose throwing knives this time to avoid anyone finding him through the trail of hidden weapons.

Although the probability is very low, it's always good to be safe.

As for the iron pellets, he replaced them with something else.

Barbed caltrops.

It has spikes on it, making it more powerful, and it can also be poisoned. The downside is that it's not very portable.

In addition, he ordered two new breast protectors, which will be ready tomorrow.

His leather armor also had a hole the size of a palm, so he chose to have a blacksmith forge an iron plate of about the same size, drill holes in it, and then he could repair it himself and continue using it.

He then went to the pharmacy to inquire if they had any medicine cauldrons for sale.

If he wants to refine elixirs, he needs materials and tools.

You can't stew it in an iron pot, can you?

At the entrance of the pharmacy, it seemed as if someone was monitoring everyone who bought medicine.

Lu Chen was startled.

"They acted so quickly? Did they know I was injured and guessed I might come to buy medicine, so they sent someone to investigate the pharmacy?"

He was somewhat alarmed.

This Qingzhu is very strong and intelligent; his influence should be even greater!

He entered the store without making a sound.

"May I ask what you need, sir? Do you need medicine or a doctor's visit?"

He arrived at a relatively large pharmacy, where a servant greeted him at the entrance.

Lu Chen asked, "Do you have any medicine cauldrons or alchemy furnaces here?"

"A medicine cauldron? A pill furnace? Young master, do you want to decoct medicine? We only sell medicinal herbs here, not earthenware pots!"

The servant shook his head.

"Do you know where I can buy a clay pot for decocting medicine?"

"Young master, you can go to the next street, called Chunhua Street. There is a general store there that should have it."

The servant was very polite.

"Do you sell medical books or pharmacopoeias here?"

Lu Chen asked again.

"You can go to a bookstore, they should have it."

The servant's expression was starting to betray him.

This person comes into the pharmacy asking all sorts of questions, but doesn't buy any medicine. Are you here to cause trouble?

"Okay, thank you. Do you offer discounts if I buy a lot of medicine here?"

"How much medicine does the young master need? If it's a large quantity, you can discuss it with our manager."

"I'm not buying now, I'm just asking. If the price is right, I'll come back in a couple of days to buy."

The servant remained silent, only smiling as he looked at Lu Chen.

"Do you have any medicine for diarrhea? I have diarrhea."

Lu Chen clutched his stomach and let out an untimely fart.

The servant's smile was a little stiff, but he still quickly got him a packet of medicine.

"What kind of person is this? Just buying some diarrhea medicine, and asking so many random questions!"

The servant thought to himself, "What do you mean?"

Lu Chen paid the money without feeling embarrassed and turned to leave.

The person watching at the door glanced at Lu Chen, asked the servant about the medicine he had purchased, and then paid no further attention.

Lu Chen carried a bag of medicine on the road, found a secluded spot, quickly changed his clothes, and transformed his appearance.

He had already broken up the medicine in his hand and thrown it away.

"Let's find an inn first!"

Lu Chen strolled around the city and couldn't help but marvel at how big it really was.

He estimated that the area enclosed by the city walls was several tens of square kilometers.

The city walls are on all four sides, each side is more than ten li long, which is at least five or six kilometers long, roughly equivalent to twenty or thirty square kilometers.

"No wonder it can house hundreds of thousands of people. Even in ancient China, there weren't many cities of this size. But Shanyang Prefecture is only a mid-to-low-tier prefecture in the entire Daqian Dynasty. There are at least a dozen such places, as well as several larger border towns and capitals."

While thinking to himself, Lu Chen randomly found an inn to stay at.

Once inside, he took off his clothes and looked at his back in the mirror.

A dark red palm print was clearly visible on his back, looking ferocious and terrifying.

"The palm print seems to have faded somewhat. Is that chilling energy true qi? Could it be that the Azure Master cultivates true qi of the yin or water attribute?"

The true energy was now surging wildly within his body, and after so long, only a tiny bit had been used up, causing him immense pain.

Fortunately, he had a strong physique and the restorative ability of his Hunyuan Body, which allowed him to withstand the damage while recovering. Otherwise, he would have difficulty walking and would urinate blood.

After putting on his clothes, Lu Chen recalled Bishop Qing's breathing technique, wrote it down from memory, and combined it with his original ideas, which gave him even more inspiration.

"I never imagined they would do it this way, condensing their qi and blood, igniting their qi and blood, and using their spiritual power to refine essence into qi."

Lu Chen had a vague feeling about it.

This method is too inefficient.

How much Qi and blood does a person have?

Can it compare to the energy between heaven and earth?

Instead of refining one's own blood and qi into true qi, it is better to directly refine the energy between heaven and earth and make it one's own.

Moreover, this half of the White Ape Breathing Technique also gave him inspiration.

Where was he stuck before?

Since we cannot sense the energy of the sun, moon, and stars, there is no way we can absorb their energy.

But how does the White Ape Breathing Technique sense this energy?

One must use spiritual power to ignite the blood and qi to generate qi and blood smoke, thus beginning the process of refining essence into qi.

The act of igniting is likely intended to amplify the signal, making it easier to detect energy.

"So, can I use my own thoughts to 'ignite' the energy between heaven and earth? What does 'ignite' mean?"

Lu Chen pondered for a moment, then cleared the table and moved it to the window. He sat cross-legged on the table, facing upwards, and slowly closed his eyes.

First, he meditated and entered a state of deep concentration. Then, Lu Chen gathered the scattered thoughts together and visualized the sun gradually setting in the west.

A giant, bright red ship appeared in his mind.

He began to try, lighting the ignition.

"The sun is already burning, how can I keep it burning?"

Lu Chen suddenly had this idea, and then a flash of inspiration struck him.

"The sun has already been ignited, but what about the energy it contains? How can this energy be condensed and ignited by me? Another nuclear fusion? Also, what is light? Light seems to be an electromagnetic wave, and it has wave-particle duality. So light is also a particle, but what is a particle?"

Lu Chen, a liberal arts student, suddenly thought of this question and frowned.

I regret it so much! If only I had studied science!

Mastering math, physics, and chemistry means you can go anywhere in the world without fear. This is indeed a wise saying. Not only can you go anywhere in the world, but you can even go to other worlds or travel through time without fear!

"Is 'Bo' like water ripples? We Chinese certainly don't choose names randomly. This 'Bo' should be similar to the concept of ripples, perhaps like the ripples caused by a stone hitting water—an abstract concept, not a tangible substance?"

Lu Chen guessed.

"Does a mobile phone use electromagnetic waves? Can we understand waves as a medium that can transmit signals? Is the energy of the sun transmitted through waves? If I want to amplify these signals so that I can observe them more easily, do I need more, larger, and denser waves?"

Lu Chen never dreamed that after transmigrating to another world, he would one day become a pseudo-scientist, racking his brains to create a cultivation technique based on the little scientific knowledge he had that he didn't even know was correct!

So magical!

His thoughts became disordered, and the great sun that he had originally visualized crumbled.

Lu Chen was not discouraged. He refocused his consciousness, visualized the sun rising again, and began another brainstorming session.

"Oh, right, I remember that in the past, you needed to install an antenna on the roof to receive TV signals. If I need to absorb the energy of the sun, moon, and stars, can I also get an antenna? Could I myself be that antenna?"

He had a sudden inspiration and tried to visualize his thoughts as an antenna, attempting to receive energy from the sun, moon, and stars that are everywhere in the sky.

"Breathe in."

As he tried, he attempted to use the White Ape Breathing Method and the abdominal breathing and reverse abdominal breathing methods that he had tried many times before.

After a long time, he remained sitting motionless on the table, seemingly without success.

The sun slowly sets.

The last rays of the setting sun shone brightly.

A flash of golden light seemed to appear on Lu Chen's body.

The sun has completely set.