The price of the Blood Boiling Secret Skill is frighteningly high.

Unless it's a life-threatening moment, no Martial Artist would use such a secret technique.

Fortunately, compared to when he originally used Source Power to enhance the Blood Boiling Secret Skill, the mental exhaustion now is still bearable.

It's just that his physical energy was completely depleted, and Lin Zheyu couldn't even move.

Even every breath felt uncomfortable.

Lin Zheyu didn't delay any longer.

He closed his eyes.

A thought transmitted outward.

'Use one unit of Source Power to enhance the Turtle Breath Skill.'

In more than two years, Lin Zheyu had cultivated over a dozen cultivation techniques, most of which he had refined to the level of Perfection.

Among them, the Turtle Breath Skill was the most suitable for recovering the body.

The essence of the Turtle Breath Skill is a Health Cultivation Skill.

It emphasizes locking the body's essence and energy to cultivate an unmarred physique, thereby achieving longevity.

The ability to conceal breath is only a side effect of the technique.

Using Source Power to enhance this already perfected skill would still deplete his spirit.

But it's the least draining among all the cultivation techniques.

The moment the thought transmitted.

Lin Zheyu's mind went momentarily blank, entering a state of consciousness.

His Turtle Breath Skill had long been cultivated to Perfection and could not be further enhanced.

By using Source Power for enhancement, after entering the consciousness space, he would continue to practice according to the third level of the Turtle Breath Skill.

Practicing a skill already at Perfection to make it even more perfect, proficient, and extraordinary.

Entering the consciousness space, Lin Zheyu still felt severely mentally exhausted.

His head throbbed with pain, extremely uncomfortable.

But he couldn't stop his cultivation in the consciousness space.

Upon entering, his spirit was plunged into a specific state, like a machine running a program.

He could only ceaselessly strive towards a certain goal, training madly.

In the forest.

The bright moonlight bathed Lin Zheyu's face.

His face, pale and bloodless due to the use of the secret technique, turned rosy at an incredible speed.

A vast mysterious energy surged from the depths of his cells, guiding the medicinal power from his abdomen and the medicinal soup, nourishing his body.

Anticipating enemies behind him, to be safe, he'd drunk two water pouches of medicinal soup earlier.

Each water pouch contained the concentrated medicinal power of three doses of Blood-Nourishing and Bone-Strengthening Soup.

Lin Zheyu's cells, like shriveled sponges, began to swell and recover under the nourishment of the vast mysterious energy and medicinal power.

A few breaths later.

Lin Zheyu opened his eyes.

But soon tightly closed them again.

The moment he opened his eyes, he felt his head buzz, as if it were about to explode.

His mental exhaustion became even more severe.

"Hoo~ hoohoo~~"

Lin Zheyu's chest rose and fell, his brow furrowed, adjusting to the state of mental exhaustion.

Having the experience of mental exhaustion from raising the Blood Boiling Secret Skill with Source Power before, he adjusted quickly.

Compared to last time, this time's mental exhaustion was significantly less.

About seventy percent of the last time.

Still within tolerable limits.

Three minutes later.

Lin Zheyu rubbed his temples and slowly stood up from the ground.

His body's exhaustion had fully recovered with the help of Source Power.

However, his Qi blood only recovered about thirty percent.

The Blood Boiling Secret Skill nearly burned away all his energy, and much of the medicinal power from the six doses of Blood-Nourishing and Bone-Strengthening Soup in his stomach was used to compensate for the physical loss.

As for mental strain, although it was more severe, it didn't hinder his movements.

Through hundreds of breakthroughs and the process of enhancing cultivation techniques with Source Power, Lin Zheyu's spirit had long become extremely resilient.

This level of mental suffering meant nothing to him.

After his body recovered, Lin Zheyu paused for about three more minutes to adjust to his more severely exhausted spirit.

Then continued on his way.

On the journey.

Due to excessive mental strain, his ability to control his body decreased sharply.

Moreover, with the poor visibility in the forest at night, he nearly bumped into trees several times.

"Mr. Zhao!"

At the meeting point, Liang Yunhui exclaimed joyfully.

"Are you okay?"

Liang Yuhan looked at Lin Zheyu and said calmly.

She sensed the fluctuation of Qi blood in Zhao Hao earlier while traveling.

At that time, it seemed there was a problem with his body.

Liang Yuhan suspected Zhao Hao might have used a certain secret technique, triggering an old ailment.

"No need."

"How's your Qi blood recovery? If it's almost there, we should keep moving," Lin Zheyu said.

Even though his Qi blood only recovered about thirty percent, with just his formidable physique, his strength was comparable to a Martial Artist at the second transformation of Qi blood.

Relying solely on pure physical strength and extraordinary lightweight skills, Liang Yuhan's speed couldn't match his.

"I'm fine," Liang Yuhan said.

…

…

A streak of light appeared in the sky.

The sun slowly rose, illuminating the whole world.

"Let's rest a bit; the Pei Family shouldn't be able to catch up," Lin Zheyu said.

They had been traveling all night.

With their Qi blood depleted, they relied on sheer physical strength to keep going.

"Ah, finally, a chance to rest."

Liang Yunhui leapt off Xiaohei's back, stretching lazily.

Although she didn't have to travel by herself, sitting on Xiaohei's back, the jostling was more uncomfortable than traveling on foot.

"Xiaohei, you've worked hard, here's something for you."

Liang Yunhui patted Xiaohei's head, pulling a few pieces of jerky from her chest pocket.

This jerky, cured for preservation, was one of Xiaohei's favorite treats besides roasted meat.

Lin Zheyu found a place to sit cross-legged and rest.

Already severely mentally strained and having traveled an entire night, his head throbbed with more pain, and slight dizziness clouded his vision.

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