But in the next moment, the fiery red light gradually spread and turned into a human figure. Heisenberg was so shocked that he stood up from his chair, stunned, with his mouth stretched so wide that it seemed as if an egg could fit in.

"This, this, this... could it be a creature from the underworld?" Heisenberg, who had dealt with the Undead many times, was extremely shocked by this, but he also immediately guessed that it might be a creature from the underworld.

Manu bowed to Heisenberg and said, "I've heard a lot about you. My name is Manu, and I hope we can have a pleasant conversation in the days ahead."

Leiter also smiled mysteriously, "Manu is not a creature from the underworld, but his alchemy attainments are not inferior to yours."

Heisenberg immediately changed his face to one of suspicion after hearing this, and glanced back and forth between Rhett and Manu, "Really? I don't believe it."

"In terms of alchemy and integration, I do have many questions to ask you. I don't know how the composite metal can be fully integrated with the magic plant. When the mental power is divided too much, the control is indeed more delicate, but it is difficult to fully integrate along a specific route. I think the metal of the soul channel has perfectly solved this difficulty..." Manu pondered for a moment, walked forward and said.

"Oh?" Heisenberg's eyes flashed with surprise. He could tell from just a few words that the other party did have some attainments in alchemy, so he looked more solemn. "The problem you mentioned was solved by me fifty years ago. I studied it for thirty years and conducted countless experiments and explorations before I found a stable method. I can see how hard it was. But you want to get this important information with just a few words. It's a bit unrealistic."

"Um?"

Hearing this, Rhett glared at Heisenberg in a ferocious manner.

"Ahem, ahem." Heisenberg suddenly felt Rhett's gaze, and his heart tightened. Thinking of the other party's unparalleled fighting power, especially the fact that he helped him escape from the clutches of the devil, he couldn't help but feel guilty. "But if he is Rhett's friend, it's okay to share. I'm always generous to my friends..."

As soon as he finished speaking, Heisenberg extended his hand as an invitation, "Come over here. Merely explaining with words cannot express the subtleties of this. Only by combining it with experiments can it be expressed more accurately."

"Thank you very much!" Manu cupped his hands and said with a smile.

"No, it's okay." Heisenberg looked a little strange when he saw Manu's etiquette. This set of actions did not seem like the noble etiquette on the mainland. He had lived for so long and had been to many places on the mainland and seen the customs and habits of various places. He had never heard of any place that had a bow.

"Could he really be a visitor from another world? Not simple, this Rhett is not simple..." Heisenberg muttered to himself.

After thinking about it for a while, they put it behind them and went to the depths of the laboratory together.

There were more densely packed alchemical instruments that looked extremely high-end. Even Rhett had never seen them before. They were obviously new models.

Watching the two people leave, Rhett asked about the location of the quiet room, and then walked towards the quiet room alone.

Rhett found a random seat and sat down, closing his eyes and starting practicing.

Finally in the simulation, he had the chance to try to continue the fusion of elements.

The mental force rolled up several elements around him and brought them into his mind. Then Rhett continued to operate along the mysterious trajectory in a familiar way.

The elemental core in his mind continued to grow stronger. Although the process was slow, Leiter enjoyed it.

Underworld.

A land made of dry bones and scarlet and gray-brown rotten flesh. An illusory figure with goat horns on its head is floating in the air half a meter above the ground. In front of it, a black round gate can be seen in the air, emitting a gloomy and strange atmosphere.

From the perspective of the old man with goat horns, countless light grey figures were constantly emerging from the dark gate. Each of them had a dull face and lifeless eyes. After leaving the gate, they wandered in the air or on the ground like zombies.

Sweeping the countless souls around, the old man with goat horns smiled, "Hahaha, the soul channel is finally built. From now on, there will be a constant supply of fresh soul power. Then, with this as motivation, sooner or later, we will be able to pry open the origin of the underworld!"

Then, as if he was thinking of the unpleasant things that happened in the elemental world not long ago, the old man with goat horns looked gloomy.

"Humph, you dare to go against me. The next time you go to the elemental world, it will be your death!"

In his hand appeared a one and a half meter long scepter, which was completely black, and on the top was a faintly visible smiling face of a goat-horned demon, which looked eerie and terrifying.

After being thrown by the old man with sheep horns, it stood in the void and gradually absorbed the surrounding souls.

At this moment, an unusual fluctuation appeared in the void, and a vast force continued to impact the space barrier.

The old man with goat horns was suddenly horrified and shouted in disbelief: "Someone actually attacked the underworld! Who has the guts to do that?"

A fierce look flashed in his eyes. Could it be the world of the Beast God? It seemed that the only one who barely met this condition was the Beast God.

Such a thought popped into his mind, but for the sake of safety, the old man with goat horns reached out to recall the scepter. The soul in his body surged, and a ray of light suddenly shot into the sky and disappeared from sight.

The next moment, the scene outside the underworld barrier came into view.

"Hmm? No one? Then why is there such a chaotic fluctuation in space..."

This incredible scene was beyond the old man with sheep horns’ understanding.

Before I had time to think, the tremor in space suddenly became much more violent, like a flood breaking through a dam, unstoppable.

Boom

It was like a loud thunder, the sound was so loud that it almost spread throughout the underworld.

All the weaker souls and creatures in the entire underworld died on the spot due to this shock. Countless undead creatures were filled with shock and anger, not knowing why.

But when some of the most powerful people sensed the source of the vibration, they dropped everything they were doing and rushed over quickly.

"Old Undead Ancestor, what happened? Why is there such a big commotion?"

The first thing to arrive was a pitch-black shadow with only an outline but no face. If it didn't speak, no one would even associate it with a living creature if they looked at it with the naked eye.

When he saw the Undead Ancestor and the Dark Gate in front of him, he subconsciously thought that it was this being who caused the commotion.

There was a strong fear in the eyes of the Shadow Demon Ancestor. "Old Undead Ancestor, you occupy such a large piece of the chassis. Normally we would accept it, but it is a bit too much to attack our clan's back like this..."

"That's right. Just now, most of my clan's descendants died. You must give us an explanation!"

A vague and ethereal voice sounded from all directions.

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(End of this chapter)