I have changed my destiny and become an unparalleled immortal.

The shopkeeper rubbed his fingers together, a glint of shrewdness and disdain flashing in his eyes.

"Snapped!"

Too lazy to waste words, Gu Yun simply slammed a heavy storage bag onto the counter.

Inside were a massive amount of low-grade spirit stones that he had plundered from Ghost Cry Forest and Falling Star Valley. Although the grade was not high, the quantity was enormous, forming a small mountain.

The shopkeeper with the mustache probed with his divine sense and saw the mountain of low-grade spirit stones. He immediately gasped, and the contempt in his eyes instantly turned into an undisguised greed.

Where did this big oaf steal so many low-grade spirit stones?!

"Of course, of course! Please wait a moment, sir!"

The shopkeeper immediately turned and went into the inner room. After waiting for a long time, he came out with a black jade slip and handed it to Gu Yun: "Everything you want is inside, sir. It's from Night Owl Pavilion, and we're honest with you, young and old."

Gu Yun took the jade slip, turned around and left without lingering for a moment.

The moment Gu Yun stepped out of Night Owl Pavilion, the mustachioed shopkeeper immediately waved.

From the shadows emerged four figures radiating a bloodthirsty aura, all possessing cultivation levels in the mid-to-late stages of Foundation Establishment!

"Shopkeeper, what kind of fat sheep?"

A scarred demonic cultivator licked his lips.

The shopkeeper with the mustache sneered, "A big, dumb oaf with not a shred of magic power, yet he's clutching a mountain of low-grade spirit stones! Follow him, and when you get to a secluded spot, be careful what you do. As for that storage bag, the usual deal, I'll take 60%!"

"Hehe, got it!"

The four figures instantly vanished into the night of Sinful Abyss City, disappearing into afterimages.

...

Outside the city of Sinful Abyss, there is a desolate mass grave.

Gu Yun walked unhurriedly, and the surrounding air gradually became cold and gloomy.

"Swish! Swish! Swish! Swish!"

Four figures suddenly leaped out from behind the withered tree, surrounding Gu Yun.

Scarface, carrying a large, demon-headed sword, grinned maliciously.

"Friend, it's not safe for you to walk alone at night. Hand over your storage bag and all your valuables, and we'll have mercy and leave you with a whole corpse!"

Gu Yun stopped in her tracks.

He didn't turn around, but slowly clenched his fists beneath his wide black robe.

The cracking sound of bones grinding together was particularly jarring in the silent mass grave.

"I'm currently burning with anger and have nowhere to vent it."

The hoarse voice seemed to drift out from the deepest hell.

"What?"

Scarface was taken aback.

The next moment!

boom!

A huge crater instantly appeared beneath Gu Yun's feet, and the black robe transformed into a blur that tore through the air!

too fast!

Without any magical pre-cast animation, relying solely on physical bursts of power, it's an unstoppable and deadly attack within a ten-zhang range!

Gu Yun's hand had already gripped his face like a steel clamp.

"Bang!"

With a flick of his wrist, Gu Yun slammed the scarred man's head, along with his ghost-head broadsword, into the hard rock, splattering red and white matter all over the ground.

"Third brother!"

The other three demonic cultivators were terrified and unleashed their flying swords and poisonous fire, raining down on Gu Yun.

"Want me to scratch your itch?!"

Gu Yun neither dodged nor avoided the spells, letting them bombard his black robe. The robe shattered, revealing his scarred yet lustrous skin.

Gu Yun was like a tiger among sheep. With a backhand chop, he shattered a flying sword and then grabbed a man's arm, tearing it apart forcefully.

"Sizzle!"

His entire arm was ripped off, and blood rained down everywhere!

"suck!"

Gu Yun opened his mouth wide, and the devouring power within his Purple Mansion erupted with a roar. Before the gushing essence blood could even land, it transformed into a torrent of blood energy and poured back into Gu Yun's mouth.

"Monster! He's a man-eating monster!"

The remaining two demonic cultivators completely collapsed and turned to crush the escape talisman to flee for their lives.

But Gu Yun kicked off with both legs, leaping dozens of feet in one bound, his knees crashing heavily onto the backs of the two men as if falling from a meteorite.

"Click."

Two sickening cracking sounds of spines breaking rang out, and all four were killed!

"call!"

Gu Yun exhaled a breath of turbid air. As he absorbed the energy, not only were his injuries almost completely healed, but the Book of Destiny also suddenly emitted a dazzling golden light!

hum!

Lines of dark gold seal script appeared in Gu Yun's mind:

[Four Foundation Establishment stage demonic cultivators killed.]

[Life Deprivation: Deprives the deceased of 1% of their remaining lifespan, granting them an additional seven years of lifespan.]

[The subject's current total lifespan: 392 years.]

"Killing someone can actually extend the lifespan of the *Book of Destiny*?!"

Gu Yun's heart trembled violently, and then an uncontrollable joy burst forth in his eyes.

So that's how it is! As long as you kill an enemy, you can also deduct an additional 5% of the deceased's remaining lifespan!

As long as he continues to kill and deprive his enemies of their lives, his lifespan through time reversal will be endless!

However, I am not a person who enjoys killing.

"Heaven is helping me!"

Gu Yun clenched his fists and casually kicked the shriveled corpse into the deep pit. He took out the intelligence jade slip he had bought from the Night Owl Pavilion and forcibly probed it with his divine sense.

A flood of information rushed into my mind.

"Found it!"

The jade slip records: Twelve years ago, in early autumn, the Yin Sha Old Demon, in order to break through to the Great Perfection of the Golden Core realm, secretly went to a place of extreme Yin on the border of the Great Jin Dynasty, the Ten Thousand Bones Cave, to undergo a secluded cultivation.

After three months, the old demon forcibly broke through the bottleneck! But at the last moment of the breakthrough, he encountered a backlash from his inner demons. Although he survived by sheer luck, he lost one-tenth of his magical power for three whole days after emerging from seclusion.

The intelligence was so precise that it pinpointed the exact time he emerged from seclusion: September 15th, the 3250th year of the Dao Yuan era!

"Twelve years ago, in the Cave of Ten Thousand Bones, on September 15th..."

Gu Yun's eyes were sharp, and he sneered inwardly. But what kind of organization was this, collecting such detailed information?

"The Crimson Butterfly reverses time, essentially turning back the clock. If I were to activate the Crimson Butterfly directly in Sin Abyss City now, I would have to travel a long distance to the Cave of Ten Thousand Bones in the past, enduring extremely high lifespan consumption! This would not only waste time but also burn through a massive amount of lifespan!"

"We must scout the location in the real world! Find the perfect ambush position in the present, then activate time reversal on the spot!"

Without hesitation, Gu Yun unleashed the Great Wilderness Body to its fullest potential, transforming it into a whirlwind that hurtled towards the border of the Great Jin Dynasty.

...

One day later, on the border of the Great Jin Dynasty, outside the Cave of Ten Thousand Bones.

This once desolate place, filled with an eerie atmosphere, has become somewhat barren over the passage of time.

Gu Yun stepped into the depths of the cave and carefully examined the surrounding terrain.

In the center of the cave, the white bone stone platform where the Yin Sha Old Demon once secluded himself for cultivation is still there, and there are even faint traces of array formations remaining on it.

Gu Yun looked up at the cave ceiling.

"Hiding in a stalactite crevice? That's stupid."

Gu Yun smirked, a hint of disdain flashing in his eyes.

"Even in his weakened state, a Golden Core cultivator can sense every slight movement on the cave ceiling once he releases his divine sense. Hiding up there is practically making yourself a sitting duck!"

His gaze slowly moved downwards, finally settling on the soil directly beneath the white bone platform.

A mad and outrageous assassination plan took shape in his mind.

"The reversal of the original position in the Book of Changes in Destiny is to anchor me, unchanged, at the absolute coordinates of this space."

"If I were to dig a three-foot-deep pit right now under this stone platform and bury myself in it..."

Gu Yun's eyes turned extremely cold and excited: "When I reversed time and returned to twelve years ago, this piece of land from that era... hadn't yet been unearthed by me!"

"This means that in the instant I travel back in time, I would be perfectly trapped underground by the solid soil and rock layers of twelve years ago! Completely enveloped by the earth!"

In this world of cultivation, even a Golden Core Ancestor's divine sense would encounter great obstacles when probing solid rock layers underground. Moreover, who would bother to use their divine sense to scan a solid rock three feet deep under their own buttocks to see if a living person is hiding there?!

"Once I activate the Turtle Breathing Technique, my heartbeat and blood stop, and I become a stubborn rock beneath this Cave of Ten Thousand Bones! The moment that old dog breaks through his cultivation and his mind is most relaxed, I'll burst out of the ground and give him a thorough thud between his legs!"

Gu Yun acted immediately.

He walked to the white bone stone platform, his hands transforming into fierce iron claws. With the terrifying power of the Great Wilderness Body, he silently dug a deep pit just large enough to accommodate one person directly beneath the stone platform.

Without hesitation, he jumped in, curled up at the bottom of the pit, and adjusted his breathing.

"The location has been chosen; now it's time."

Gu Yun silently plotted in the pit.

"The old demon broke through on September 15th. If I return only an hour earlier, and that old dog triggers a celestial phenomenon beforehand, or if there are guardians patrolling the area, the slight spatial tremors caused by my sudden entry into the ground could easily expose my aura."

"We only have one chance to win! We must go back in time!"

"At that time, the old demon was in the most crucial stage of his secluded cultivation, fighting against his inner demons, and his external perception was almost non-existent. Five hours was enough time for the temperature and aura of my body to completely assimilate with the earth's veins in the Ten Thousand Bones Cave, turning me into a truly inanimate object!"

Gu Yun's eyes were resolute.

Current lifespan: 392 years.

Reversing twelve years of time, minus twelve years of lifespan, and lingering for less than a day consumes ten years. In total, twenty-two years of lifespan are wasted.

"Twenty-two years of my life, in exchange for your utter annihilation, you wicked old dog, is worth it!"

Gu Yun closed his eyes, activated the Turtle Breathing Technique to its fullest extent, his heart stopped beating, and his blood congealed.