While the player is in Battle Through the Heavens, the system is in The Great Ruler.

Chapter 150 Little Fairy Doctor: "Come to my room tonight..."

"I choose the Jade Slip for Inheritance."

With a slight thought, Lu Yu conjured a jade slip shimmering with golden light in his palm. He focused his mind and examined it, a vast amount of information flooding his mind like a tidal wave:

"The Yin-Yang Returning to Origin Sword Technique... Dragon Soaring Technique... Myriad Poison Heavenly Net Palm... Nine Nether Heavenly Frost Sword Technique... Heavenly Serpent Transformation Dragon Scripture..."

His fingertips gently caressed the jade slip, his eyes gleaming:
"This Heavenly Serpent Transformation Dragon Scripture has actually reached the Great Perfection of the Earthly Sovereign level. I thought it was just an Earthly Sovereign technique that Qing Yanjing gave me casually. In the Dou Qi Continent, it would be enough to cultivate to the peak of Dou Di..."

"Qing Yanjing, as the saintess of the clan, indeed has a rich collection. Which unfortunate dragon-like divine beast at the Great Perfection of the Earthly Sovereign level was killed to obtain it?"

"And then there's the Nine Nether Heavenly Frost Sword Technique and the Myriad Poison Heavenly Net Palm, both high-level Earth-rank combat techniques. When mastered, they're comparable to true divine arts? That is, Heaven-rank combat techniques? Equivalent to two Emperor Seal Techniques..."

"The fighting techniques treasured by the ancient clans seem quite common in the Floating Pagoda Ancient Clan. The five great ancient divine clans are truly rolling in wealth..."

Lu Yu scanned the two fighting techniques and cultivation methods that Qing Yanjing had given him in the simulation with his soul power, and couldn't help but sigh.

Then, he turned his attention to two other fighting techniques: Dragon Soaring Technique and Yin-Yang Returning Origin Sword Art.

Both of these fighting techniques were practiced by Mu Chen in the simulation, and he had taught them to Mu Chen in the simulation, so he treasured them.

"Although the Dragon Ascension Technique is an incomplete divine technique, in a lower plane, it is equivalent to a low-level quasi-heavenly-rank movement combat skill."

Lu Yu stroked his chin, pondering, "In the Dou Qi Continent, Heaven-rank movement techniques are rare. After all, once you reach the Dou Sheng realm, your mastery of spatial power is unparalleled, making ordinary movement techniques seem useless..."

"However, in the vast world, only a fifth-grade Supreme can manipulate the power of space. The spatial mysteries contained in this Dragon Ascension Technique allow powerhouses below the Supreme level to comprehend the wonders of space ahead of time and perform spatial traversal. If used on the Dou Qi Continent, their speed would likely far surpass that of ordinary Dou Sheng powerhouses..."

"After all, back then, the White Dragon Supreme escaped from the hands of several Supreme experts by using the Dragon Ascension Technique, which he had mastered to its fullest extent..."

"If I were to cultivate to the point of minor success, I dare not say I could become a Dou Sheng, but I think an ordinary Dou Zun expert would be unable to catch up with me."

With that thought in mind, Lu Yu then looked at the last fighting technique in the jade slip.

High-level Earth Rank, Yin-Yang Returning to Origin Sword Technique.

When mastered, it is comparable to a minor divine technique!

Without a doubt, this is also a top-grade Earth-rank combat skill.

Unlike other combat techniques, this Yin-Yang Returning to Origin Sword Technique, in addition to its basic content, also includes insights from beginner to mastery engraved on the jade slip.

In the end, there was even a fragment of a fighting technique that fused with the Lesser Divine Art, the Great Luo Heavenly Flame Sword, to create a completely new fighting technique, called the Four Symbols Evolution Heaven Sword.

Lu Yu flipped through the annotations of the Two Elements Returning to Origin Sword Technique and couldn't help but marvel. He quickly reached the last page, where a passage appeared, describing his comments on the two fighting techniques.

"While the Yin-Yang Returning to Origin Sword Technique is exquisitely crafted, it leans heavily on technique, resulting in a slight deficiency in power. Its principle of Yin and Yang in harmony implicitly contains a profound realm beyond the Supreme Being..."

"The Great Luo Heavenly Flame Sword, on the other hand, is quite the opposite. It is incredibly powerful but lacks finesse, focusing only on killing and lacking the subtle variations of fire control..."

"If one can use Yin and Yang to transform into the Four Symbols, the Four Symbols to generate the Eight Extremes, and the Eight Extremes to give rise to all things, then it can form its own system. If this is combined with the Sword Yang Imperishable Dharma Body, it will surely be able to..."

The handwriting suddenly becomes messy here:

"Unfortunately, time was limited, making it difficult to predict the future. I am unsure if my predictions are correct or not, and I hope Brother Lu will forgive me..."

The conversation ended abruptly there.

Lu Yu frowned slightly, feeling a sense of annoyance, as if he had suddenly come across a brilliant part only to find that the author had cut it short.

"Never mind, it's just a simulation of me after all..."

"What else can I do but forgive you..."

"However, speaking of swordsmanship, I currently have quite a few sword techniques and formations at hand. The Yin-Yang Harmony Sword Technique combines Yin and Yang, the Great Luo Heavenly Flame Sword is fierce and domineering, the Nine Nether Heavenly Frost Sword is chilling, and the Blazing Fire Heaven-Burning Sword Formation is both offensive and defensive... These are all rare and unique skills."

He stroked his chin, pondering what he had learned:
"Although I have mastered the Earth-rank combat techniques I have learned so far, such as Heavenly Fire Dragon Step, Heavenly Dragon Flame Finger, and Burning Heaven and Boiling Sea Palm, the strongest of them is only comparable to the high-level Earth-rank..."

"As for the Imperial Seal Technique..."

A hint of caution flashed in Lu Yu's eyes. He shook his head and muttered to himself, "Our connection with that clan is too deep; we can only use it as a last resort..."

"It's time to switch to a few new fighting techniques. Next, I should first cultivate the Yin-Yang Returning Origin Sword Technique, and then delve into the quasi-Heavenly Rank movement technique, Dragon Soaring Technique. After all, the Yin-Yang Returning Origin Sword Technique is less difficult, and I can also learn from the experience gained in simulations..."

Thinking of this, Lu Yu took out several blank jade slips of inheritance and recorded several cultivation techniques and fighting skills into them.

……

Soon after,

The top floor of Lingbao Pavilion.

"Here, I brought you some good stuff."

Lu Yu leaned back lazily in his chair and casually pushed the two jade slips forward.

With quick eyes and hands, Cai Lin grabbed the ice-blue jade slip.

"Nine Netherworld Frost Sword Technique?"

She raised an eyebrow, "A high-level Earth-rank combat skill?"

Little Fairy Doctor gently picked up the purplish-black jade slip and probed it with her soul power.

"The Ten Thousand Poisons Heavenly Net Palm, a poison-attribute palm technique..." she murmured, her eyes suddenly lighting up.

"Qinglin, this is yours." Lu Yu pulled out another cyan jade slip as if by magic.

Qinglin hurriedly caught it, and the colorful little snake in her arms curiously poked its head out.

"The Heavenly Serpent Transformation Dragon Scripture?"

She stammered out the name, and after reading the contents, her face instantly turned bright red with excitement.

Looking at the three people's completely different reactions, Lu Yu couldn't help but chuckle: "How about it, am I doing a good job as the sect leader?"

Cai Lin snorted coldly and parted her red lips slightly: "So-so."

As she spoke, her slender fingers carefully tucked the jade slip into her sleeve, her movements as gentle as if she were handling some precious treasure.

Qinglin clutched the jade slip tightly, her large eyes shining as if filled with starlight: "Thank you, young master!"

The little Cai in my arms was also excitedly flicking its tongue and making a "hissing" sound.

Little Fairy Doctor didn't speak, but merely glanced at Lu Yu. Beneath the purple veil, her eyes, like autumn water, shimmered with tenderness, conveying unspoken words in a single look:

Come to my room tonight.

Lu Yu raised an eyebrow knowingly, a knowing smile playing on his lips.

……

That night, the moonlight was as clear as water. Lu Yu arrived at Little Fairy Doctor's door as promised, and gently knocked, but no one answered. He pushed the door open and entered, only to see a graceful figure bathing behind a screen, shrouded in mist.

"Xian'er?" Lu Yu called out softly.

From behind the screen came the voice of Little Fairy Doctor, tinged with laughter: "You've come at the perfect time... Could you please get the fragrant dew that's on the table for me?"

Lu Yu shook his head and chuckled, his gaze sweeping over the fragrant crystal bottle on the table. As he approached, through the misty spray, he could see Little Fairy Doctor's cascading black hair falling into the water, her snow-white shoulders faintly visible.

"Today's Myriad Poisons Heavenly Net Palm..." Little Fairy Doctor suddenly turned around, her purple eyes peering through the mist, "I want to try it now..."

Before he could finish speaking, a wisp of purple poisonous mist coiled around Lu Yu's wrist like a serpent. He raised an eyebrow and looked over, only to see the beautiful woman in the bathtub with eyes that sparkled with tenderness, showing no sign of wanting to test her skills.
With a "plop," water splashed everywhere, and Lu Yu was pulled into the bathtub by the poisonous mist.

The bathroom was instantly filled with steam, the water droplets and rising mist mingling and completely enveloping the two figures. Petals on the water's surface rippled with the waves, vaguely outlining the alluring figure of Little Fairy Doctor.

"Is this... the move you wanted to try?" Lu Yu's voice came from the mist, tinged with a hint of mischief.

In the misty haze, Little Fairy Doctor's cascading black hair clung damply to her snow-white shoulders. She slightly raised her eyes, a mischievous smile playing in her purple pupils, and glistening water droplets still clung to the tip of her pert nose.

"What..." she parted her lips slightly, her breath sweet as orchids, "You don't want to?"

Her delicate, pretty face was so close, her damp, dark hair cascading down, the ends brushing lightly against his neck, sending shivers down his spine.

Lu Yu's breathing suddenly became rapid, and his Adam's apple bobbed involuntarily.

……

The next morning, a ray of sunlight shone through the gauze curtains onto the messy bed.

Lu Yu opened his eyes and found Little Fairy Doctor curled up in his arms like a lazy cat, her long eyelashes trembling slightly with her breath.

Seemingly sensing the movement, she slightly opened her purple eyes, lazily snuggling into his arms, her hair still carrying the faint fragrance of last night's medicinal bath.

"Good morning." Her voice was a little hoarse, just like it had been in the water the night before.

"Good morning," Lu Yu replied with a soft laugh, his gaze tenderly fixed on the beautiful woman before him.

Little Fairy Doctor seemed to notice his gaze, a mischievous glint in her purple eyes. She extended a slender finger and gently tapped the tip of his nose: "What are you looking at?"

“My Xian’er is so beautiful…” Lu Yu’s gaze was gentle, and his voice was full of sincerity.

Upon hearing this, Little Fairy Doctor's fair face instantly flushed red, as if she had applied rouge, making her even more beautiful. She gently pushed Lu Yu's chest, her voice barely audible: "Aren't you getting up... Didn't you say you were going to find Xiao Yan today?"

Lu Yu chuckled softly and reluctantly got up. In the morning light, his strong physique was clearly defined. He casually draped a moon-white robe over his shoulders, with a jade belt lightly tied around his waist, making him appear even taller and more elegant.

……

Inside the alchemy room, the flames in the cauldron burned fiercely.

"Brother Yan." Lu Yu pushed open the door and entered, just in time to see Xiao Yan completely focused on controlling the Wind Fury Dragon Flame. The young man looked up at the sound of his voice, his forehead still covered with fine beads of sweat.

"Brother Lu."

Xiao Yan's expression was solemn, and his voice was tense with focused concentration, "Wait a moment, this batch of Purple Jade Breakthrough Pills will be completed soon."

Lu Yu nodded in understanding and stood quietly to the side to observe.

Xiao Yan's fingers flew across the screen, casting exquisite fire-controlling techniques into the cauldron. The flames sometimes swirled like dragons, and sometimes resembled fiery lotuses. After about a quarter of an hour, a dazzling purple light suddenly burst forth from the cauldron, and a round, jade-like pill broke out of it, which Xiao Yan steadily stored in a jade bottle.

"It's done!" Xiao Yan breathed a sigh of relief, then turned around and smiled, "Brother Lu, what brings you here today?"

Lu Yu took out a jade box from his storage ring, opened it, and a ball of leaping crimson flame appeared. He explained, "I'm giving you something good. This is the Earth Flame Source of the Earth Flame Sect. It should be of great benefit to your Earth Core Flame."

"If I swallow it, the Earth Core Flame will likely be able to advance into a true different kind of flame."

Xiao Yan's eyes lit up, and he was about to take it when he heard Lu Yu continue, "However, there is one condition—before you leave, you must train more alchemists for the Spirit Treasure Pavilion."

At this moment, the phantom of the old apothecary floated out from the ring, stroking his beard and laughing, "You've got some business sense, kid."

He pondered for a moment, then said, "Young Master Lu, this is not difficult. We agree."

"However, if you have difficulty finding the ingredients for the Bone-Growing and Blood-Melting Pill on your journey to Zhongzhou, you might as well go to the Starfall Pavilion and ask Venerable Feng Xian for help. He and I are sworn brothers. Take this letter with you, and he will help you."

As he spoke, the old doctor took out a piece of white paper, gathered his soul power at his fingertips, and began to write in the void, eventually turning it into a silver letter that fell into Lu Yu's hand.

"What if we encounter trouble that even Feng Xian can't handle..."

The old apothecary paused for a moment, then continued, "You can ask Feng Xian to introduce you to a woman named Xuan Yi at the Pill Tower. She holds a prestigious position in the Pill Tower, and out of consideration for her friendship with Feng Xian, she should be willing to lend a helping hand."

Lu Yu solemnly accepted the silver letter, carefully tucked it into his pocket, and bowed, saying, "Thank you for your guidance, senior. I will remember it well."

The old apothecary nodded slightly, a hint of solemnity appearing on his illusory face: "The situation in Zhongzhou is complex, with various forces deeply entrenched. You must be cautious in everything you do on this trip. The medicinal materials needed for the Bone-Growing and Blood-Melting Pill are extremely rare and precious. Even with Feng Xian's help, it may not be smooth sailing."

"If you encounter other dangers along the way, do not act rashly; preserving your own life is the top priority."

"Don't worry, senior, I understand."

Lu Yu nodded, then asked, "I just don't know why you didn't seek help from that senior in black robes from the beginning..."

The old alchemist looked slightly embarrassed and coughed lightly: "The Pill Tower is a sacred place for alchemists, gathering the world's top alchemists and rare treasures. Xuan Yi is one of the best among them, and his alchemy skills are unparalleled, but..."

He paused, then continued, "This woman is aloof and acts entirely on her own whim. If it weren't for Feng Xian's introduction, ordinary people would find it difficult to even meet her. After you arrive at Dan Tower, remember to be careful with your words and actions, and do not offend her."

Lu Yu smiled knowingly and wisely refrained from asking further questions, simply cupping his hands and saying, "Thank you for your guidance, senior."

……

Two days later, dawn broke.

Lu Yu and Little Fairy Doctor walked side by side, arriving at Canaan Academy in the morning light. Inside the inner courtyard, Elder Su Qian was already waiting in the council hall.

"Sect Master Lu, how have you been?" Su Qian stroked his long, white beard and greeted him with a smile.

"The Grand Elder remains as dashing as ever." Lu Yu returned the greeting with a cupped hand, his tone warm and friendly.

After exchanging pleasantries, Su Qian's expression turned serious, and he said, "That girl Zi Yan has recently stolen three sixth-grade medicinal herbs from the herb storeroom again..."

Upon hearing this, Lu Yu couldn't help but rub his forehead: "This girl... with her current cultivation level of eight-star Dou Zong, ordinary medicinal herbs probably won't be very effective for her, right?"

“That’s right.” Su Qian sighed softly, but his eyes were filled with satisfaction. “After much thought, I’ve decided it’s time to let this girl go out and see the world.”

Lu Yu pondered for a moment, then smiled and said, "How about we do as we discussed earlier and have Zi Yan accompany me?"

Su Qian immediately beamed with joy, stroking his beard and saying, "This arrangement is perfect! With Pavilion Master Lu looking after me, I can finally put my mind at ease."

……

(End of this chapter)