The forces from the Bai Ren Sect and the Wanyan Sect, despite the turbulent undercurrents, were unwilling to diminish their strength at this critical juncture when a sub-god level demon beast was about to break through and various forces were vying for control of the Ghost King’s Lair.

Whether it was Ying Chuan Ying Yue or that old fellow Wan Tianchou, they both had only one thought in mind: the real battle would begin after entering the Ghost King’s Lair.

And Yun Sheng also believed that compared to Wan Tianchou, this expedition into the Ghost King’s Lair was more about dealing with other local forces.

Yun Sheng paid close attention to these other forces from the Eight Prefectures of the Netherworld. Compared to Bai Ren Sect and Wanyan Sect, they were not weak, with a few individuals even reaching the peak of Martial God level.

In comparison, the major forces from Jimo County seemed insignificant.

After roughly understanding the backgrounds of the various forces, Yun Sheng began surveying the terrain of Ghost Water Creek with Ying Yue.

Ghost Water Creek was originally a stream.

The flowing river here was a muddy black color. The flow was not substantial, but it was continuous throughout the year. The creek stretched for about five miles, winding and deeply secluded.

Setting aside the sub-god level demon beast about to advance, the vicinity of Ghost Water Creek was densely populated with demon plants, the most troublesome of which was a type called Throat Arrow Wood.

This demon plant, with the slightest disturbance, would shoot out a large number of deadly thorns.

With just a touch, a person would turn into a pool of blood.

Furthermore, they had to guard against the creek jellyfish that might suddenly emerge from the water.

These jellyfish could unleash powerful large-scale ice magic, freezing people instantly.

"The situation roughly stands as such. Judging by the signs, the sub-god level demon beast has not yet broken through," Ying Yue and Ying Chuan selected a relatively open area about ten miles away to set up camp.

When night fell, all the forces refrained from using magic arrays or campfires to avoid alerting the sub-god level demon beast, opting instead to chew on some cold dry rations.

Around midnight, a commotion came from the direction of Ghost Water Creek.

In the originally pitch-black sky, an Angry Cloud suddenly appeared.

The Angry Cloud rolled like a furious flame, like a turbulent sea stirred by the wind. Listening closely, one could vaguely hear the rumbling thunder within the Angry Cloud, highlighting its formidable and terrifying power.

"It’s the Dark Heavenly Thunder that appears only when a Dark Divine Beast breaks through!" All the waiting forces around the camp stirred with excitement.

Yun Sheng and Ying Yue also exited their tent.

Yun Sheng had experienced several Heavenly Tribulations: once when the Nine-leaf Purple Ginseng advanced to become a divine-level spiritual grass, once when Uncle Yun Canglang broke through to Martial Saint, and the last time when Grandpa Yun Bahe advanced to Martial Saint.

Comparatively, each breakthrough was grander than the last.

All things under heaven possess their own destiny. Among plants, the Human Clan, and demon beasts, plants are the weakest, so their Heavenly Tribulation is also the smallest in scale.

The physical strength of the Human Clan places it between plants and demon beasts. Therefore, the power of their Heavenly Tribulation is moderate.

Demon beasts are a unique existence in the world, possessing the most formidable physique. Correspondingly, their cultivation difficulty is the highest, especially in a place like the Netherworld. Demon beasts that reach breakthroughs have committed countless evils in their lives, so the Heavenly Tribulation they encounter when they breakthrough is bound to be the most powerful.

The power of the Dark Thunder Tribulation is extraordinary. If successful, that sub-god level demon beast will break through the divine-level bottleneck.

But if it fails, that sub-god level demon beast would be plunged into an irreversible state, its soul likely only able to add dark power to the Demon Suppressing Stele.

The appearance of the Angry Cloud signified that the sub-god level demon beast was about to attempt a divine-class breakthrough.

This moment was also the best opportunity to infiltrate the Ghost King’s Lair.

"Look! It’s that sub-god level demon beast!"

Someone exclaimed as a bone-chilling beast roar resonated from the depths of the secluded Ghost Water Creek.

A beast’s shadow, as large as a hill, leaped out from the chaotic stone water creek.

Yun Sheng then saw clearly the true form of the demon beast.

It was an Arrow-tailed War Rhinoceros, a special dark demon beast native to the Netherworld. It was born with both magic and martial prowess, possessing formidable dark fighting energy while also capable of wielding powerful dark magic.

An Arrow-tailed War Rhinoceros guarding Ghost Water Creek was akin to having a sub-god level martial artist and a sub-god level mage simultaneously, explaining why no force from the Eight Prefectures of the Netherworld could conquer Ghost Water Creek in twenty years.

Though the Arrow-tailed War Rhinoceros had appeared, no one dared to rashly approach at this moment.

The Arrow-tailed War Rhinoceros, as a sub-god level demon beast, was already intelligent and knew the might of the Angry Cloud Sky Thunder.

With a bellow, a brown-black magic array appeared beneath its massive body.

Chunks of heavy armor, like gold and stone, immediately formed on its skin.

Everyone held their breath, waiting for the first dark heavenly thunder to strike.

BOOM——

The Angry Cloud swallowed and spat out several strands of dark lightning, each several times thicker than an arm, and struck the thick armor of the Arrow-tailed War Rhinoceros with violent power.

Despite the Arrow-tailed War Rhinoceros using magic for defense, the power of the Dark Heavenly Thunder cracked the magic armor with a few snaps.

Within the cracks, blood already began to seep, and the Arrow-tailed War Rhinoceros felt excruciating pain, but even so, it held firm, bracing for the second dark heavenly thunder.

"Now’s the time! Infiltrate Ghost Water Creek!"

The forces, witnessing this scene, rejoiced and swiftly moved towards Ghost Water Creek.

Yun Sheng exchanged glances with Ying Yue and Ying Chuan.

"No rush, let’s wait a bit and see how things unfold," Yun Sheng shook his head.

Though Ying Yue felt anxious, she remembered her father’s repeated instructions to follow Yun Sheng’s orders once they entered Ghost Water Creek.

She could only suppress her excitement and wait at the side.

Wan Tianchou was among the first to charge into Ghost Water Creek. He had already secured a prime position, leading several disciples deep into Ghost Water Creek.

As the Arrow-tailed War Rhinoceros awaited the second dark heavenly thunder, Wan Tianchou seized an opportunity, and with his sect’s disciples, swiftly moved out of the war rhinoceros’s line of sight.

To avoid the war rhinoceros, the Wanyan Sect and the others traveled along the banks of Ghost Water Creek.

Upon noticing any disturbance, the Throat Arrow Woods, standing over half a person tall on both creek banks, shot out dark shadows.

Those shadows carried a bloody stench, incredibly sharp.

Wan Tianchou had anticipated the threat of the Throat Arrow Wood. With preparation, he let out a roar, causing the fighting spirit within him to explode abruptly.

The might of a Martial God was extraordinary. A flawless fighting spirit barrier formed around him, instantly shattering the sharp poison thorns.

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