Soon after, they arrived at a colossal stone chamber. In the center of the chamber stood an altar, upon which rested an ancient wooden box. Wu Dewang stood in front of the altar, his face brimming with smugness as he looked at the wooden box.

"Haha, you've finally come!" Wu Dewang turned around, glaring at Gu Sheng and his party with a laugh. "But it's a pity, the final treasure is already mine!"

As he spoke, he reached out to take the treasure inside the wooden box, but just then, a sudden change occurred!

"Woof woof!" Black Sovereign roared and charged at the altar, engaging Wu Dewang in a fierce tussle. Gu Sheng, Xing Lie, Wu Tianxiong, Kou Hai, and Ying Tianxing followed closely, launching a coordinated attack on Wu Dewang, attempting to seize the treasure he had taken.

Despite facing this onslaught, Wu Dewang, whose cultivation was at the First Layer Heaven of the Navel Wheel Realm, showed no fear. He sneered coldly, activating his cultivation technique, and behind him appeared the vision of a vast, all-encompassing world, unfathomable and profound.

"Hmph, you really think this can trap me?" Wu Dewang sneered as he wielded the Big Broken Bowl, its rim shimmering with mysterious black light, exuding immense power.

The five of them—Gu Sheng and his companions—exchanged a determined glance, refusing to retreat. They were aware this fight would be grueling. Although Gu Sheng's cultivation level was low, his Ancient Sacred Body radiated golden light, his very presence majestic. Activating his cultivation technique, golden waves surged forward, accompanied by visions of exotic plants, animals, and mythical beasts, with momentum that seemed boundless.

"Everyone, attack together! Don't give him any chance!" Gu Sheng shouted and charged directly at Wu Dewang.

Battle erupted instantly. Both sides fought fiercely, neither yielding. Despite Wu Dewang's deep cultivation, the teamwork of Gu Sheng and his companions resembled an unstoppable tide, putting him under considerable strain.

Just as the group believed victory was within grasp, Wu Dewang suddenly unleashed the Big Broken Bowl. Its black light flashed from the rim, instantly forcing Gu Sheng and the others back several steps.

"Haha, is this really all you can do?" Wu Dewang laughed heartily, preparing to unleash an even more devastating attack.

At that moment, an unexpected change occurred. Gu Sheng suddenly felt a surge of spiritual power raging within his body, as if it were about to burst forth. This was the precursor to a breakthrough! He quickly sat cross-legged and focused all his strength on activating his cultivation technique, attempting to break through the shackles of the Sea Floor Realm.

Seeing this, the others halted their attacks and retreated. Wu Dewang also noticed Gu Sheng's unusual state. A trace of doubt and vigilance flashed in his eyes, uncertain of what Gu Sheng was planning.

Then, Gu Sheng abruptly opened his eyes, and an overwhelming aura emanated from his body. At his navel, a blazing sun emerged, radiating a constant stream of energy. This was the vision of the Navel Wheel Realm!

"Impossible?!" Wu Dewang exclaimed in disbelief. He couldn't believe his eyes—Gu Sheng had broken through at this critical moment!

Gu Sheng rose slowly, feeling the surging spiritual power within him. He took a deep breath and exhaled forcefully, sending a powerful gust of air that made the surrounding atmosphere tremble.

"Now, it's time to end this battle!" Gu Sheng shouted, his figure flashing as he charged at Wu Dewang.

Right then, celestial phenomena descended—a sea of lightning and heavenly tribulation enveloped the entire tomb in a glow of thunderbolts. The lightning seemingly possessed consciousness, forming shapes of pyramids, grand bells, houses, animals, weapons, and more, creating a magnificent tableau of divine punishment.

Wu Tianxiong, Xing Lie, Kou Hai, Ying Tianxing, and Black Sovereign turned pale at the sight, knowing this was no ordinary tribulation. After a brief moment of hesitation, they transformed into streams of light and fled the scene.

Wu Dewang too sensed the threat of this tribulation, but escape was impossible. Gu Sheng had already locked onto his aura, intending to use the tribulation's force to utterly crush him.

"Wu Dewang, your end is here!" Gu Sheng shouted, activating his cultivation technique and gathering his entire strength to launch his final attack.

Facing Gu Sheng's impending assault, Wu Dewang unexpectedly remained calm. Suddenly, a black bowl appeared in his hand. The rim emanated a faint black light, resembling an unfathomable black hole. As Wu Dewang activated it, the black hole expanded steadily and eventually swallowed him whole.

Seeing this, Gu Sheng did not hesitate. He raised his golden right hand and punched toward the mysterious black hole. Yet to his shock, his golden fist was effortlessly consumed by the black hole, followed by a strong suction force that dragged him in as well.

"What's happening?!" Gu Sheng exclaimed, but all around him was boundless darkness and chaos.

Suddenly, a massive strand of purple lightning roared down like a mountain range, fiercely striking the black bowl. Within the black hole, Gu Sheng felt no trace of the tribulation's power; instead, he discovered that his energy was continuously increasing.

"Could this be some kind of peculiar punishment?" Gu Sheng wondered inwardly. He tried releasing his divine thought to probe his surroundings, but strangely, his divine thought seemed restricted and unable to perceive anything.

"Wu Dewang! What tricks are you playing?!" Gu Sheng shouted angrily, but the only reply he received was the oppressive silence of the void.

Then, within the darkness, a sinister laugh echoed.

"Hahaha! Gu Sheng, oh Gu Sheng, did you really think you could defeat me? This is my ultimate magical treasure—the Devouring Black Hole! Here, you will become my fuel, providing me with endless energy!" Wu Dewang's voice reverberated through the shadows, filled with mockery and triumph.

Enraged, Gu Sheng channeled his spiritual power, attempting to break free from the strange black hole. However, he discovered his strength was being endlessly suppressed, making escape impossible.

"Am I truly going to die here?" Gu Sheng thought bitterly. But just then, he noticed his internal energy was slowly increasing. This seemed connected to the purple lightning from the sky.

"Is the lightning helping me?" Gu Sheng speculated. He calmed himself and began sensing the surrounding energy fluctuations.

Indeed, he discovered that as the purple lightning struck, his internal energy surged. It was a fascinating phenomenon. He began absorbing the lightning's energy to bolster his own strength. With each passing moment, Gu Sheng felt his power recovering and even surpassing its previous limits!

"Wu Dewang! Your magical treasure is nothing special after all!" Gu Sheng laughed and unleashed a powerful punch into the surrounding darkness. "Break for me!"

As he roared, the oppressive darkness began dissolving, revealing Wu Dewang's terrified expression and the black bowl. The bowl now showed fractures, unable to withstand Gu Sheng's immense power.

"Th-this can't be!" Wu Dewang stammered, staring at Gu Sheng in disbelief. "How could you possibly escape my Devouring Black Hole?!"

"Hmph! Did you think your treasure was invincible? Let me tell you—I, Gu Sheng, am not someone to be taken down so easily!" Gu Sheng sneered, then struck the already crumbling black bowl with one final punch. "Shatter!"

With his roar, the black bowl finally shattered into countless fragments, scattering in all directions. Severely wounded, Wu Dewang collapsed to the ground, unable to move. Meanwhile, Gu Sheng stood tall, feeling the boundless strength surging within him. He had successfully broken through to the Navel Wheel Realm!

The purple lightning in the sky gradually dissipated, revealing clear skies and radiant sunlight, as if the heavens themselves rejoiced in Gu Sheng's triumph!

Wu Dewang lay sprawled on the ground, staring at Gu Sheng with a mixture of terror and disbelief, as though witnessing an unimaginable miracle. His confidence in the Devouring Black Hole had crumbled alongside it. He never expected Gu Sheng to turn the tables and destroy his ace treasure.

"H-how did you do it?!" Wu Dewang stammered in a trembling voice.

Gu Sheng cast him a cold glance but offered no reply. He turned and walked toward the ancient wooden box in the center of the altar. This battle had ended in his victory, and now, it was time to claim the treasure.

Slowly, he extended his hand and opened the box's lid. A brilliant light burst forth from inside, illuminating Gu Sheng's face with an aura of mystery and solemnity. At long last, he had obtained the legendary treasure!

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