Song Lin handed the breath soil to the Divine Turtle and his companions, instructing them to combine it with the Heavenly Court.

He then flew out of the Palace of the Polestar, overlooking the Three Realms from the void.

The Three Realms do not interconnect.

The Heavenly Court is in the upper layer, yet not amidst the starry rivers, but above the skies.

Ascending to the Heavenly Heavenly Court brings a significant advantage: no more limitations of distance with its governed regions, and there's no longer a need to construct Heavenly Court passages to maintain communication between realms.

Above dozens of star clusters and star domains ruled by the Heavenly Court, its presence is everywhere.

Immortals who are granted permission to ascend the heavens, or descend from the Immortal Realm, can traverse instantly—this is the advantage of the Heavenly Court's domination, surpassing common civilizations.

Beneath the Immortal Realm lies the Mortal World, inhabited primarily by low-level cultivators, martial artists, and ordinary mortals.

Most City God Yin Gods from within cities reside in the underworld and rarely return to the Mortal World.

From Song Lin's vantage point, the Mortal World appeared clearly ordered, with all things in their rightful place.

Without chaotic interference, the Mortal World exuded much more peace and harmony.

Beneath the Mortal World is the underworld.

The three domains can interact and exchange, thus collectively referred to as the Three Realms.

As for other realms like the Eight Sceneries Realm and the Demon World, at best, they are appended to the system of the Three Realms.

The Eight Sceneries World, after its last plundering in the Lingwei Realm, saw significant growth in its foundations. Its Eight Sceneries Primordial Mother, Wu Chen, already reached the Harmonization Perfection stage.

Meanwhile, Guu Yuchan was also preparing for a breakthrough to Harmonization.

As for the Demon World, everything remained unchanged.

Once caught, all devils were thrown into that realm. The harsh environment of the Demon World ensures that ordinary devils wouldn't survive long before becoming its fertilizer.

Song Lin also observed various civilizations, ensuring each retained its unique traits while accepting the Donghua Dao system.

With the Secret Technique of the Taiyi Jinhua Scripture to temper the mind, Song Lin seldom forced others to learn his spells anymore.

Afterward, Song Lin entered seclusion for a while to organize the secret techniques of the Yinn Shang Heavenly Court.

The strengthening methods within Yinn Shang's sacrificial techniques were indeed worth imparting, though the part involving human sacrifices needed to be revised, replacing it with high-quality rare celestial treasures, which might yield better results.

The use of humans by Yinn Shang in the past was largely for cost considerations; using other materials was also feasible.

Soon, a Yinn Shang sacrificial technique was returned to the Scripture Pavilion of the Heavenly Court.

At the same time, another book came into existence, titled "King Wen's Sixty-four Trigrams."

This was the secret technique of the West Zhou Heavenly Court.

The dissemination of this Magic Skill could elevate the mathematical arts of the Heavenly Court to a new level.

Following this, Song Lin summoned Zhengxin Mei Hua and others to his presence.

Upon arriving, they immediately noticed a brand-new secret manual.

"This is…?"

Zhengxin inquired.

"Open it and see for yourself,"

Song Lin said with a smile.

After reading the contents on the jade scroll, both couldn't help but marvel at the ingenuity within.

"If one can fully comprehend this method, entering Harmonization Perfection would truly be within reach."

Zhengxin, Taihua, Mei Hua, and the Divine Turtle were heralded as the Four Great Houses.

However, only the Divine Turtle had reached Harmonization, while the other three had somewhat failed to live up to their reputations.

Now, armed with this secret technique, they had finally found the path to Harmonization.

After sending the others away, Song Lin was left with several matters unfinished.

"About a year should suffice; perhaps I can create a powerful Magic Artifact."

Song Lin already possessed the Four Great Treasures:

The Pure Yang Human Emperor Sword, the Heavenly Burial Coffin, the Lord's Eight Trigrams Furnace, and the Ancient Bronze Lamp.

Among them, the Human Emperor Sword, the Ancient Bronze Lamp, and the Eight Trigrams Furnace were innate treasures, while the Heavenly Burial Coffin was an acquired treasure.

The difference between innate and acquired treasures does not always lie in strength.

Acquired treasures are not necessarily weaker than innate ones.

Above magic treasures lies Immortal Artifacts.

Immortal Artifacts can only be forged with Innate Ancestor Qi, and only Heavenly Immortals are qualified to utilize Innate Ancestor Qi; thus, Immortal Artifacts possess greater power.

Song Lin planned to transform the Pure Yang Human Emperor Sword into an Immortal Artifact.

A year would likely be enough, as the Human Emperor Sword, having undergone his sacrificial refinement, was only a step away from becoming an Immortal Artifact.

The Bodhi Tree brought back from the Lingwei World itself was an Immortal Artifact, providing a reference model.

As for the others, their transformation would wait for another time.

In addition, Song Lin needed to cultivate the Nine-Transformation Mysterious Skill to its pinnacle after achieving Nine-Nine Returns to One.

Previously, he had reached the eighth transformation within a particular story world; now, achieving Nine-Transformation Perfection—a consecutive dual Nine-Transformation Perfection—would render his physical defense impenetrable against Evil Demons.

Time flowed ceaselessly.

On this day, the sky turned dark and oppressive, white clouds seemingly tainted with ink, rapidly transforming into pure black.

Whoosh… Whoooosh…

A pitch-black Yin Wind roared, akin to wailing ghosts and howling wolves. Eerie green Ghost Fire ignited from shadowed corners, followed by a skeletal hand breaking through the earth.

Over millennia, nearly every corner of the world had seen death.

In places where numerous people had perished, Yin Lands formed, usually suppressed by the Mortal World's Yang energy. With the surge of Six Heavenly Old Qi, such lands naturally broke through the surface.

Yet this was not the worst; ancient battlefields saw the rise of Ghost King Flags.

Men were titled Generals, while women bore the title of Ladies, strutting arrogantly with uncontested dominance.

These entities were immensely powerful, far beyond what the Mortal World could manage.

Not just the Mortal World—rebellions from Ghost Kings also erupted in the underworld.

The sudden emergence of so many experts across the world made it hard to dismiss the involvement of Outer Heaven Demons.

"It's likely the work of the Free Demons of Heavenly Transformation, beings that don't manifest physical forms, descending as avatars to indulge in others' joys and freely entertain themselves,"

Song Lin observed.

The term "Free" originated in the Buddha Realm and was widely adopted by various heavens.

"This complicates matters. Free Demons of Heavenly Transformation are adept at concealment; it's possible they've already infiltrated the Heavenly Court."

Due to their prowess in disguise, Free Demons of Heavenly Transformation were particularly troublesome during the Upper Pure Demon Tribulation.

Among the myriad Evil Demons, the most frequently encountered were Night Demon Heavenly Demons, towering three miles high, with lifespans of two thousand years—one year equating to seventy-three thousand Mortal World years.

Their bodies bore various flames, such as Ghost Fire, Earth Fire, and Yin Fire, all characteristic of Night Demon Heavenly Demons.

These were relatively easy to identify; despite their strength, the Heavenly Court, with its formidable forces, did not fear them.

The real challenge lay in the Free Demons of Heavenly Transformation.

These demons were elusive, capable of shapeshifting into countless forms.

The recent rise of demon lords and Demon Kings in the Mortal World and underworld might very well be the work of Free Demons of Heavenly Transformation.

These cases were still identifiable.

What truly defied recognition were the emergent prodigies or hidden demons within the Heavenly Court itself.

No one could tell whether these individuals were genuine or mere facades, whether comrades-in-arms might actually be demons.

Free Demons of Heavenly Transformation mastered impersonation—they could shapeshift into Buddhas, Immortals, even infiltrate sects and corrupt their doctrines. Some prominent sects had fallen to extinction through this ploy, with even some Sect Leaders revealed to be demons.

"We'll just have to be more vigilant moving forward. Among our higher ranks, let's establish a secret code; anyone who speaks the code shall be one of us,"

Heavenly Mechanism suggested.

"We also need to accelerate our research into methods of exposing demons. Furthermore, aside from Outer Heaven Demons, we mustn't overlook ancient demons hidden in the universe's corners."

Heavenly Mechanism arranged tasks methodically. As a former Spirit Treasure Celestial Master, he possessed ample experience. When absent, internal and external affairs were managed by him and Shi Yinhua.

Elsewhere, in the depths of the cosmos…

Boom!

A star exploded, and a three-inch tall, earthen-yellow figure emerged.

Taishi let out a deafening roar: "I have achieved Heavenly Immortal! Song Lin, I will settle my accounts with you now!"

In an unknown location, atop a towering, pitch-black altar…

A low, guttural voice emanated.

"Another year of Demon Tribulation. Hmm, the aura of the Eastern King… Heh heh, I have finally found you."

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