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Since the controller of the Heaven Seal had appeared here, then there must be a Black Demon in this small world. I just don't know what rank it was, but it actually alarmed the controller.

As a result, while the other treasure hunters were desperately trying to snatch the black demonic energy from the corpses, Xia Hun Wu was still moving forward, heading straight for the deepest parts of the ruins.

As Xia Hun Wu entered deeper into the ground, the amount of debris on the ground became increasingly dense. However, the degree of destruction he was in also gave off an vicissitudes of life.

In the face of an attack from the Black Demon Sect, all the humans that lived in this small world had risked their lives to protect their sect. However, the final result was the same as Xia Hun Wu's failure.

This ending was quietly erased from the surging river of history. If it weren't for this lucky encounter, in the hands of Bai Lie, where he had obtained the ancient Demon Sealing Box, he might not have known that there was such a powerful faction within the Shadow Mountain.

As his eyes landed on the crumbling buildings, he couldn't help but sigh in his heart. As expected, those Black Demon Aliens were the enemies of all the people on the Soul Martial Continent. Although he didn't know where they came from, but very few forces could match up to them in terms of destructive power.

"Brat, pay attention. There is a special fluctuation coming from up ahead." Elder Mu's voice came from Xia Hun Wu's body as he flew.

"Alright."

At that moment, he also felt a weak fluctuation. He could not sense exactly what it was. However, within this special fluctuation, there seemed to be the sound of flowing lava.

"Be careful."

Since a controller had appeared in this small world, there must be other super experts that had entered. He did not know who spread the news about the existence of the Black Demon Sect within the Mysterious Black Yin mountain range, nor did he know what other reasons were there.

Xia Hun Wu nodded in agreement. After witnessing the strength of the green robed figure, he understood that the reason why he was able to block that green robed figure's attack was because he did not want to make a move at all.

"Swish."

Xia Hengwu's figure turned into a beam of light, piercing through the horizon. After about ten minutes, the figure that rushed out slowly stopped as well. His gaze was also somewhat stunned as he looked at the scene before him.

The first thing that entered his line of sight was an extremely large volcano. This volcano was like a giant that guarded this area. Even with the Black Demon's invasion, it still didn't change at all.

"Rumble!"

At this moment, at the mouth of the volcano, there was an enormous waterfall that was a thousand feet long flowing down. Waves after waves of rumbling sounds resounded over the surrounding mountain range.

And at the source of these thousands of feet of waterfall, was an extremely large lake. The lake water was extremely clear, and what was most inconceivable was that under this clear lake, there were streams of magma flowing.

Xia Hun Wu looked carefully and his eyes narrowed slightly. That was because the clear lake water was actually not ordinary water. Instead, it was formed from an extremely viscous Soul Fire.

"This... Was this what Venerable Flameless did? To think that you would be so generous. "

He could feel an extremely hot flame energy from the lake of fire. Everything that was happening before his eyes was clearly not naturally formed, and was created by a person in the Houtian realm. Furthermore, the strength of Venerable Flameless, who was able to combine all of these Soul Flames, was likely unimaginable.

After which, he stopped at the outskirts of the lake of fire. As he looked over, he could see countless small snakes formed from soul fire flickering above the lake of fire. Under the flow of the magma, they were just like a lurking ancient beast.

"This lake of fire is filled with a massive amount of flame energy. It's most likely for fire-attribute disciples to cultivate it."

Xia Hengwu's palm gently touched the lake water as traces of flame power wrapped around it. Then, like an angry little snake, it fiercely drilled into his palm, causing Xia Hengwu's fingers to become slightly red and swollen.

However, under this swelling, he could feel that this flame power was able to relax the muscles within his body. Clearly, this flame power possessed quite a good body tempering skill.

A sect that could build such a huge lake of fire to provide training for its disciples was not something that any ordinary sect could do. Even within the Eastern Heavens Sacred Academy, the Tower of Devouring only existed.

"If he has enough time to cultivate in this lake of fire for a while, it will be extremely beneficial to the Green Heaven Flame within his body." Xia Hun Wu sighed, his expression full of regret. The current him obviously couldn't stay in this small world to cultivate for half a year or even several months.

"This is..."

As Xia Hengwu's voice faded, his expression suddenly changed. His gaze shifted to the depths of the fiery lake as ripples suddenly appeared on the surface of the lake. Soon after, a whirlpool that was approximately five meters long slowly formed.

Following the formation of this vortex, one could see a palm-sized cluster of flame slowly floating out. One could vaguely see a snake-like figure appearing and disappearing within the cluster of light.

"This... "What is this?" Xia Hun Wu stared at the ball of fire and swallowed his saliva as his throat rolled.

"Red Snake's Spirit..."

Old Mu's eyes were somewhat dull as he looked at the cluster of fire light that had risen from the lake of fire. In the next moment, a fiery heat that could not be hidden suddenly surged out from his turbid eyes.

Every Scarlet Snake's soul could be said to be an extremely rare existence. Even if it was a baby that had just reached the age of one, as long as his body could withstand a wave of fire energy, his physical body would be comparable to the body of a habitat practitioner within an extremely short period of time …