When the renowned Profound Yin Mountain appeared before them, the entire team instantly felt a heavy atmosphere.

This mountain was exceedingly vast, towering into the clouds, shrouded by endless storms and Yin Qi.

The surface of the sea below was already in a violent uproar; if ordinary people came by boat, they would likely perish before even approaching.

Not to mention the pervasive Yin Evil Qi, which hardened the sea surface into sharp ice drifting with the waves like blades.

Of course, those in the Mahayana Realm had no fear, but if that were all, Profound Yin Mountain wouldn't be one of the "Three Mountains," a perilous place.

Overhead, the dense storm clouds seemed almost palpable, with lightning roaring incessantly. At the foot of the mountain, it was manageable, but ascending towards the peak, the lightning dragons increased in density, and the summit was nearly a field of white light.

This world makes no distinction between demons and humans; when Thunder Tribulation arrives, it strikes indiscriminately, and everyone present had tasted its bitterness; even those in the Mahayana Realm felt their hearts race.

Zhang Kui also had a solemn expression; no wonder the Nether Soil Stone Coffin was useless here, this was like an Iron Mountain.

Spirit Sect Leader Chilin reached out his claw towards the void ahead, and suddenly a ray of lightning appeared, bouncing between his red-scaled sharp claws.

He narrowed his eyes slightly, extinguishing the lightning casually, then turned to instruct the others: "The Spiritual Qi here is rampant; if you don't want to die on the spot, don't use Illusionary Dharma Aspect, and be cautious of the ever-present Celestial Power."

"Yes, Sect Leader."

The members of the Spiritual Sect nodded promptly, and those from the East Sea Water Mansion bowed in gratitude for the reminder.

Chilin then looked at the Old Turtle Demon.

"Elder Gui, lead the way."

The Old Turtle Demon nodded, a trace of excitement flashing in his eyes, "Everyone, follow me."

"Flying here will result in being consumed by countless lightning bolts, but there's minimal risk at the foot of the mountain, so everyone need not be nervous."

With those words, his form transformed into rolling black smoke, descending towards the seaside, and everyone followed one by one.

The surrounding sea region near the Profound Yin Mountain was full of dense hidden reefs, washed by waves and struck by lightning, becoming pitch-black and smooth, revealing themselves when the waves rose.

Though flying wasn't possible, both parties glided swiftly, soon reaching the foot of the mountain.

What greeted them was a black beach barren of grass, where Evil Qi seeped from the sand cracks, forming a hazy white mist.

Amidst the rumbling thunder, the white mist surged and billowed, seemingly hiding something within.

Zhang Kui immediately used Tongyou Skill to observe.

The mist was empty and showed no abnormalities, but beneath the ground, Spirit Light and Evil Qi intertwined, colorful like a chaotic mix of paints.

This place… wasn't naturally formed!

The Old Turtle Demon clearly had been here before, leading the group without slowing, soon nearing the mountain foot.

With a thunderous clap, a gigantic iron monument suddenly appeared before them, over ten meters high, with edges melted and solidified.

Whenever lightning struck, the center of the dark monument would light up with ethereal blue patterns and tadpole-like characters.

"Everyone!"

The Old Turtle Demon's expression turned serious,

"Beyond this Divine Stele is the path up the mountain; this place was originally an Ancient Battlefield, where strangeness thrives and immense danger lurks, remember not to provoke anything."

The crowd nodded in agreement.

Many were here for the first time, eagerly staring at the luminescent patterns on the monument, "Elder Gui, what does this say, could it be ancient immortals' script?"

Elder Gui smiled faintly,

"Perhaps, those who've traveled to the Underworld might have seen it; no one knows its meaning."

Upon hearing this, they lost their interest.

Bao Wuxin also explained to Zhang Kui using Divine Sense, "Many have tried to decipher ancient immortals' script but have always been unproductive."

"In the Underworld, sometimes there are murals and texts, the best of which is a kind of ancient jade, allowing comprehension without knowing the script, which is why many seek such things…"

Zhang Kui listened intently, observing the luminous patterns and tadpole characters flashing under the lightning, increasingly resembling an Array.

And this iron stele, broad in the middle and narrow at the sides, resembles a broken sword blade.

If true, what sort of entity could wield such a long sword?

Ancient Battlefield… Iron Mountain… chaotic underground Evil Light… suddenly, a flash of inspiration, Zhang Kui had a thought.

This place… must have been fused by a great fire, the underground isn't a vein of iron but the melted metals of countless weapons!

Looking at the mountainous terrain towering into the clouds, Zhang Kui felt a shiver in his heart, just the melted residue forming this, what a mountain of corpses and sea of blood might have existed initially…

No time for further thoughts; both parties of more than thirty Mahayana practitioners were climbing the mountain.

The mountain was scattered with jagged black stones, the ground was black powder, occasional lightning strikes would kick up large black dust.

Zhang Kui observed the surroundings, while monitoring the Hundred-Eyed Demon Monarch and the Snake Demon couple possessed by the Military Advisor.

Strangely, these two were behaving well, silently hurrying the journey, unnoticed by others.

These two… why don't they act out?

Zhang Kui felt puzzled but soon considered a possibility: their goal might also be that Dragon Bone ship!

Heh…

Zhang Kui sneered inwardly, estimating that once they reached their destination, confrontation would begin, each showing their skills then.

Just then, the Old Turtle Demon suddenly called out: "Quick, everyone stop!"

The crowd halted instantly.

Just ahead, the black sand ground shifted, then with a boom, black sand exploded outward, revealing a monster.

This creature stood over a meter high, five meters long, with a single eye gleaming red, somewhat resembling a scorpion but with its body formed of black debris, appearing as if cobbled together from various things.

This creature…

Zhang Kui furrowed his brows, using Tongyou Skill, noting metallic Array Spirit Light within its body and fragments of flesh imbued with Evil Qi, peculiarly bizarre.

As the monster saw them, its eyes gleamed with a red light, and with a swoosh, it lunged forward with a foul wind, extending sharp black iron forks from its mouth.

"I'll handle this!"

From the Water Mansion team, a Fish Demon with shell armor and bulging muscles flashed forward, wielding a bronze axe with a sinister wind howling.

A flash of black light, accompanied by a loud bang, and the monster was cleaved in two, its innards a bloody mess, flickering with evil light.

"Elder Gui, this monster is not as good as Divine Travel..."

"Don't move!"

The Fish Demon had just started to speak when Elder Gui harshly interrupted, "Quick, throw the axe away!"

The Fish Demon's pupils contracted immediately, seeing smoke rising from the part of the axe tainted with the monster's blood, the shredded flesh crawling like a living thing up the axe handle towards his hand.

This was an Ancient Artifact!

The Fish Demon felt a headache instantly, hurriedly throwing the axe away, his scalp tingling as he quickly retreated.

The monster's corpse, cleaved in two on the ground, began slowly merging, the flesh lines wrapping around the bronze axe and absorbing it into its body.

Elder Gui face turned serious,

"This thing is unkillable, loves devouring Ancient Artifacts, everyone put away your weapons."

No one dared delay, following the order immediately.

Sure enough, without the lure of Ancient Artifacts, the red light in the monster's eyes dimmed as its body closed, and it burrowed back into the black sand.

"Elder Gui, what on earth is that!"

The Fish Demon, unhappy to lose his handy Ancient Artifact, asked angrily.

"A peculiar entity from Profound Yin Mountain..."

The Old Turtle Demon looked grave, hesitating before speaking: "This thing can grow as it pleases, without restraint. I once saw it as large as a mountain peak, thankfully it was moving up the mountain."

With that, he turned his head back.

"Everyone, the Profound Yin Mountain is full of strange beings, once the great Venerate Huanxin of the East Sea studied them extensively. Now it's dangerous, so I won't hold back any knowledge..."

Zhang Kui was listening intently when he suddenly saw the Divine Soul of the Hundred-Eyed Demon Monarch within the Black Snake surge, then forcibly suppressed.

"Taoist Friend Bao, who is Venerate Huanxin?"

Zhang Kui quickly asked using Divine Sense.

"Once a great figure of the East Sea, a Loose Practitioner with good relations with my master and the East Sea Water Mansion, held in high esteem, it was him who led the sealing of the Hundred-Eyed Demon Monarch."

No wonder...

Zhang Kui found it amusing.

At the same time, the Old Turtle Demon continued to introduce: "I once acquired Venerate Huanxin's notes, he documented three peculiar entities on Profound Yin Mountain."

"The creature we just encountered was named Artifact Demon, which loves devouring Ancient Artifacts but will eat anything chaotic, nearly unkillable, very troublesome, which is why no Ancient Artifacts are found on the Three Mountains."

"Another is suspected to be the evil remnants of deceased Immortal Gods, resembling ghostly beings but existing within an illusion, unfazed by spells, craving to devour Divine Souls, named Divine Resentment, Immortal Fiend."

"Cangkong Mountain and Fallen Immortal Mountain are both ancient battlefields, though differing in terrain, should have similar entities."

Everyone listened carefully, for this was the distilled experience of a great power, sometimes it could save lives.

Obviously, if not for the dragon bone ship, the Old Turtle Demon would not share such valuable knowledge.

After speaking, the Old Turtle Demon looked up the mountain, "Everyone, let's go, the location is halfway up, be extremely careful."

Everyone nodded in agreement, proceeding cautiously along the way.

Though many were in the Mahayana Realm, they couldn't fly here, and the white mist, like the yellow mist of Ji Temple Secret Realm, obstructed Divine Sense, slowing them down.

Zhang Kui was naturally unafraid; with his Tongyou Skill, he could see clearly within a kilometer radius, even the few Artifact Demons lurking underground.

Suddenly, he was shocked.

A strange figure, five meters tall, was moving rapidly ahead, bare-chested, with black-purple skin, armored legs, four arms, three eyes, and a black halo behind, faint and phantom-like.

Divine Resentment!

"Retreat quickly!"

Zhang Kui immediately warned.

Bao Wuxin immediately understood, pretending to slow down unintentionally.

The Divine Resentment moved with incredible speed, in the blink of an eye reaching the front of the team, where the demons, lacking Zhang Kui's Tongyou Skill, could only see a vague black shadow flickering.

"It's Divine Resentment, scatter!"

The Old Turtle Demon's scalp tingled, he had already retreated several hundred meters while speaking.

Everyone scattered urgently, but it was too late; the Divine Resentment suddenly rushed into the body of a Wolf Demon Mountain Lord from the Spiritual Sect.

The Wolf Demon Mountain Lord's eyes turned pitch black in an instant, his head creaked, and he laughed maniacally, exposing ferocious fangs at those around him.

"Bastard!"

Sect Leader Chilin was furious, scarlet flames appeared out of thin air, engulfing the Wolf Demon like a bloody wave.

The Old Turtle Demon hastily called out, "Sect Leader Chilin, fall back, spells won't work, killing it will only make it possess another."

Sect Leader Chilin was startled, quickly stopping.

The Wolf Demon Mountain Lord, burnt to a crisp and blackened, crawled out with a sinister grin, mouth bleeding.

Everyone's scalp tingled, they had heard the Old Turtle Demon's words. The Divine Resentment was indeed troublesome; if they killed it, it might end up possessing themselves.

Meanwhile, Zhang Kui was horrified, for in his personal space, "Longevity" stirred restlessly, a wave of hunger surging like a tide.

This, is greatly useful for "Longevity"!

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