An emperor in his later years is summoned by his sister to save the nation's fate.

"An eye for an eye, so take this blow from me!"

Lu Li's eyes were icy cold as he raised the jet-black Taiyin Immortal-Slaying Blade high in his right hand.

"cut!"

The imperial weapon roared, and a dark red blade of light, thousands of feet long and exuding an aura of extreme destruction, shattered the void and slashed down towards the Underworld Emperor.

With this slash, all things came to an end. Not only did it condense the cutting power of the Great Dao of Space, but also, because the Taiyin Immortal Slaughtering Blade had devoured the Azure Flame Emperor's soul, a phantom image of a fierce soul with the Azure Heaven Overlord Body was clearly reflected around the blade's aura!

The enormous, domineering, ferocious spirit let out an angry roar, transforming into a killing illusion that crashed directly into the depths of the Underworld Emperor's mind, shaking his very soul!

Faced with this world-destroying blade that could not be dodged or avoided, and the mad roar of the Primordial Overlord in his mind.

The Underworld Emperor's face was extremely grim.

"You've driven me to this point; you must pay the price!"

The Underworld Emperor knew that if he continued to hold back under such extreme sharpness, he would definitely be in danger of perishing.

His withered eyes suddenly fixed on the Seven Killings Sect's grotto below.

"Turn them all into nourishment for me!"

He slammed his palm down on the earth in a frenzy. Tens of thousands of disciples in the Seven Killings Sect headquarters, along with a few surviving elders, were all transformed into a raging death aura in that instant before they could even scream. They were forcibly stripped away and devoured by the Underworld Emperor!

It absorbed the life force and resentment of an entire immortal assassin organization.

"boom!"

The Hades's once withered black hair turned black again in a very short time, and his previously shrunken body rapidly expanded.

He reached the pinnacle of his cultivation, forcibly crossing the barrier of the forbidden zone in a short period of time, and once again ascended to the flawless realm of the Great Emperor, returning to his peak!

"The Seal of Reincarnation in the Underworld!"

The Underworld Emperor roared, and the Great Dao of Death within his body surged. He pushed out a massive seal formed from countless white bones and death energy, imbued with imperial might, and forcefully rammed it into the descending red blade of light.

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"Boom—!"

The power of the two imperial weapons erupted completely at this moment, and the entire sealed cave space shattered under the impact of this attack.

The void within a radius of tens of thousands of miles was instantly transformed into chaos, with a violent energy storm raging out.

Although the Underworld Emperor managed to barely block the blade's edge with his peak strength, which had been sublimated to its ultimate form.

But before he could catch his breath...

"The methods I possess are not limited to the sword."

Lu Li's icy voice suddenly came from all directions.

Immediately afterwards, the Nine Secrets of Travel was activated in conjunction with the Great Dao of Space!

Lu Li's figure instantly transformed into nine afterimages, rapidly traversing through various spatial rifts.

He stepped out with the mysterious Qilin Step.

"Bang! Bang! Bang! Bang!"

Take four consecutive steps!

A deafening cracking sound echoed through the void. In that instant, the entire collapsed chaotic space was forcibly sealed by a spatial suppression force, actually condensing into a spatial cage hundreds of miles in size, trapping the Underworld Emperor who had returned to the Great Emperor's realm within it, and even the flow of laws became stagnant.

Without pausing, Lu Li once again unleashed the Great Perfection Ancient Sacred Body Origin.

The towering, white-robed celestial king's illusory figure solidified once more above the main hall.

"The Immortal King's Finger!"

The illusory image of the Immortal King extended a golden finger, which was entirely formed from the essence of the Golden Holy Body and the vitality of the Taiyin. With a terrifying power that could suppress all gods and demons, the finger slowly descended from the heavens!

The extreme of life is the absolute nemesis of death!

This pure Yang, sacred and divine Immortal King's finger pressed down on the Underworld Emperor's body, which was condensed with endless death energy.

"Sizzle..."

The golden light collided with the black death energy. Under the absolute restraint of this life force, the Underworld Emperor's state of ultimate sublimation was abruptly interrupted by this finger. The imperial might within his body began to plummet at an incredible speed!

"What... what kind of power is this?"

A look of horror flashed in the eyes of the Underworld Emperor. He originally thought that Eternal Night was just the weakest emperor in history, and that he could easily suppress him as long as he reached the ultimate level of sublimation.

But only now did he realize with despair that he had no chance to struggle against Yongye, who possessed the Great Accomplished Holy Body and the supreme physical body technique!

"Escape! We must return to the deepest part of the Underworld!"

Completely shattered, the Underworld Emperor looked terrified and, disregarding his supreme dignity, turned to tear through space and escape.

But Lu Li was fully aware of his intentions.

"Trying to use spatial teleportation techniques in front of me? You overestimate yourself."

Lu Li flashed, unleashing the full power of the Xingzi Secret Technique. His speed had transcended the limitations of time, and he appeared calmly on the path that the Underworld Emperor was bound to take in an instant.

"Die."

Lu Li's eyes were cold as he gripped the Taiyin Immortal-Slaying Blade with both hands, unleashing the laws of the sixth level of the Great Emperor realm.

He swung the sword.

"Pfft!"

The ancient head, imbued with the essence of death, soared into the air, its supreme blood cascading across the starry sky.

The supreme ruler of the forbidden zone of life—the Underworld Emperor—has fallen!

With his fall, strange phenomena erupted throughout the entire Eastern Wilderness and even deep within this Netherworld.

A light rain of blood began to fall from the sky, and the black earth of the underworld trembled violently, cracking open with countless fissures.

The laws of the Great Dao shattered in the sky, emitting mournful cries and the howling of the wind, as if mourning the demise of a powerful being.

Meanwhile, the ancient supreme beings in the other major forbidden zones of life, such as the Undying Mountain, the Primordial Ancient Mine, and the Desolate Ancient Forbidden Land, who had kept their eyes closed, opened their eyes in unison after sensing that yet another supreme being had been killed by Eternal Night in such a short time. Their divine senses intertwined in the void.

"This...this is impossible!"

"He actually killed the Underworld Emperor? And on the Underworld's home turf!"

"What is the origin of the blade in Yongye's hand? And... what he just used was clearly the battle technique of the Great Perfection of the Ancient Sacred Body and the most advanced spatial Dao!"

"This madman... has been posing as the weakest emperor for ten thousand years. His cunning and methods are simply terrifying!"

On this day, the entire Xuan Tian Realm was shocked, and on the desolate ruins, Lu Li stood against the wind.

After absorbing the soul of the Underworld Emperor, the second profound imperial rune on the Taiyin Immortal-Slaying Blade slowly condensed and took shape amidst the blood-red light.

Under the cleansing influence of the pure killing power fed back by the Imperial Weapon.

"boom!"

Lu Li's bottleneck was broken once again, and his cultivation level rose accordingly. In that instant, he directly advanced to the sixth level of the Great Emperor realm!

He reached back and snatched the scroll of the Emperor's Weapon, the Netherworld Emperor's Death Mystic Book, which had lost its owner.

Then, his figure transformed into a blur, traversing the void and returning to the side hall of the Primordial Holy Land.

The main hall doors were tightly shut. Lu Li waved his long sleeves, and the space within his sleeves instantly opened. The secret chamber where Tianjizi, whom he had previously protected, was located landed smoothly in the center of the main hall, and then the formation collapsed.