Martial Arts Crossover: That night, Huang Rong descended from the sky.

Chapter 352: Lang Fanyun: Even the dumbest person can understand...

Follow the pen of Bai Ri Tian Xia and embark on an adventure together in "Wuxia: That Night, Huang Rong Descended from the Sky".

Li Ping composed himself, clasped his hands in greeting, and said, "Greetings, Senior Xiaomeng."

The scene of Li Ping being disemboweled and having his heart ripped out was still echoing in Xiaomeng's mind; the shock was too great. Seeing Li Ping suddenly return to normal now, she felt somewhat unaccustomed to it.

She said coldly, "Don't think that just because you call me 'senior,' I'll forget what you said before!"

Li Ping laughed and said, "It's mainly because your seniority is incredibly high, so of course I have to call you senior! I'm very curious, what exactly is the difference between Taoism in the pre-Qin period and Taoism today?"

Xiaomeng curled her lip, her tone full of disdain: "The Taoism of today? It's not Taoism at all..."

Li Ping wasn't surprised that she would say such a thing: "Your senior comes from the Taoist Tianzong sect, so you must have a thorough understanding of Taoist theories."

"Rong'er gave me a formula before, saying it could help me extract the primordial true energy of ultimate yin and yang, but my brain can't keep up. Could you please give me some pointers, senior?"

Seeing that the number one person in the world was so respectful to her, Xiaomeng felt somewhat pleased and said lightly, "Tell me about it."

Li Ping wrote a string of symbols on the ground, then explained them one by one, and continued, "Rong'er combined mathematics and the Book of Changes to help me set up a formula for extracting the ultimate Yin and Yang."

"The moment of ultimate Yang purity is the peak point of the old Yang function F?(t). The peak point satisfies dF?/dt = 0 and d2F?/dt2 < 0..."

"Rong'er calls this 'Qian Yuan Yong Jiu,' which refers to the time when the Qian hexagram reaches its extreme, when there is pure Yang and no Yin."

"Similarly, the moment of purest Yin is the peak point of the old Yin function F?(t), where dF?/dt = 0 and d2F?/dt2 > 0..."

"Rong'er calls it 'Kun Yuan Yong Liu,' which refers to the time when the Kun hexagram reaches its extreme, when it is pure Yin without Yang."

"The ninth line of the Qian hexagram, 'The dragon soars too high and will regret it,' signifies that the extreme of Yang is about to decline, which is the best time to extract the ultimate Yang. The sixth line of the Kun hexagram, 'The dragons fight in the wild,' signifies that the extreme of Yin is about to recover, which is the best time to extract the ultimate Yin."

"Finally, Rong'er constructed a governing differential equation: dS/dt = α·F?(t)·H(tt?) + β·g(S), which Rong'er called 'The Great Derivation Number is fifty, its use is forty-nine'..."

Xiaomeng couldn't understand the differential equations at all, but she did understand the part that Huang Rong used the hexagrams of the I Ching to deduce.

Her brows furrowed deeper and deeper, finally giving a cold laugh: "Ultimate Yin, ultimate Yang, so you're pursuing pure Yin, pure Yang!?"

"absurd!"

"A single yang cannot last, nor can a single yin produce anything!"

"Just now, the sermon in your palace was saying, 'Do not mistake yin for yang, for cultivating only one thing will make you weak and frail.' The things you pursue are nothing but illusions."

"Pure Yin and pure Yang cannot exist independently!"

Li Ping was somewhat disappointed. She had originally hoped that this pre-Qin Taoist master could give her some inspiration, but it turned out that she didn't understand!

Oh well, at least what I've said will serve some purpose.

He looked at Yaoyue: "Sister Yaoyue, please demonstrate for Senior Xiaomeng."

Yaoyue raised her hand and gently swung a palm at Xiaomeng, which was the Taiyin Qi that she had absorbed from Yanfei.

With a casual wave of her hand, Xiaomeng unleashed her inner energy, causing Xiaomeng to instantly feel icy cold all over and her expression to change drastically.

That true energy was so pure and yin that it truly contained not a trace of yang energy!

"How is that possible..."

Xiaomeng's mind was buzzing, her whole body felt numb as if she were being electrocuted, and she said in a trembling voice, "Pure Yin without limit, how could that exist alone?"

All the knowledge she had acquired throughout her life was completely overturned at this moment.

She stared blankly at her hands, then looked at Yaoyue, her mind a jumbled mess.

Li Ping laughed and said, "If one cannot overturn the theories of the predecessors, how can one shatter the void and ascend to immortality? Cough..."

"Of course, ascension is not possible now, but breaking through the void is still possible."

Xiaomeng remained silent for a long time. When she raised her head, the previous confusion in her eyes was gone, replaced by a thirst for knowledge: "The cultivation method you practice... is extremely mystical, beyond my comprehension."

She paused, then handed Qiu Li forward: "Here you go! But on one condition: let me see those martial arts techniques."

Li Ping's eyes lit up: "What's so difficult about that? The Compassionate Sword Manual, the Great Demon-Planting Technique of the Dao Heart, you can choose whichever one you want to see."

"However, the secrets are not easily passed on, and the merits are not wasted. If you wish to see it, senior, you must stay and become a protector of my Search for the Gods Palace!"

Xiaomeng quickly shoved the sword into Li Ping's hand, afraid he would go back on his word: "It's a deal."

Li Ping took Qiu Li and said with a smile, "It's a deal."

Just then, Li Ping suddenly sensed something and activated his Yang Spirit to resonate with a distant energy source.

Before long, everyone's eyes blurred and Lang Fanyun appeared. He took a sip of wine and said with a smile, "Brother Li's cultivation has greatly improved, congratulations!"

Li Ping said with a bitter face, "Far from it. Brother Lang is here just in time, and I have some questions..."

He recounted his troubles.

Lang Fanyun laughed heartily after hearing this: "Brother Li is overthinking it."

The Rain-Covering Sword was drawn and exploded instantly, turning into countless points of light, just like the sunlight reflected off Dongting Lake at sunset!

Li Ping unleashed his Flowing Shadow Splitting Light Sword, and the two clashed.

Amidst the whistling sword energy, the sky was filled with ever-changing streams of light, and two figures appeared and disappeared intermittently...

These don't look like two people; they look like two sword immortals!

Xiaomeng was stunned.

Is this the world's number one divine sword?

What terrifying swordsmanship...

With the sword light withdrawn, Lang Fanyun asked, "Understand?"

Li Ping shook his head: "I don't understand."

Lang Fanyun choked, then pressed his temples and thought for a moment: "Here's what we'll do, when you spar with me, don't use those cold energies, flames, or lightning, just use your own true energy."

Li Ping was even more troubled: "Brother Lang, I'm not a naturally gifted player like you. My comprehension is terrible. Just say what you want to say."

Lang Fanyun was also troubled: "Some things can't be explained in words. You need pressure, the pressure of possibly dying at any moment, but you have immortality, so it's hard for you to feel that kind of desperate situation."

"I can't put that kind of pressure on you right now!"

Li Ping thought for a moment: "Perhaps quantitative change can lead to qualitative change? Brother Lang, let's try again."

Regardless of whether Lang Fanyun agreed or not, the Flowing Shadow Dividing Light Sword was unleashed once more.

Just then, Wanwan and Yan Lingji walked in with Gao Jianli and Gai Nie, and this is what they saw.

Gai Nie's pupils dilated violently, and his scalp tingled. Was this the world's number one divine sword and the fastest speed?

Is this swordsmanship that a human can achieve?

This has already exceeded the limits of human capability, hasn't it?

At this moment, all the guardians and disciples of the Search God Palace rushed over upon hearing the sword's cry.

Many of them were seeing Li Ping giving his all for the first time.

The sect leader is too strong!?

Then, they heard Li Ping give a soft shout, and with another flash of his sword, he was about to encircle everyone in its light: "Everyone, attack together! Kill me! Kill me! Kill me!"

Everyone's hearts skipped a beat. What was wrong with the sect leader?

Are you crazy?!

At that moment, Lang Fanyun sheathed his sword and shook his head, saying, "Brother Li, this won't do!"

"Calm down. You're not putting pressure on yourself, you're putting pressure on us!"

Li Ping shook his head and sighed, "You think I've lost my mind? Don't worry, I'm perfectly clear-headed!"

"My aptitude for martial arts is too poor, so I might as well make the most of my strengths!"

"Perfect timing! I've recently mastered the Hundred-Step Flying Sword technique. Brother Lang, please take a look..."