And unknown, it took such a huge effort and an unknown amount of energy and material resources to create such a terrifying and unknown thing.

But the process is undoubtedly painful.

The wailing continued for a long time and then slowly subsided.

"Finally... finally succeeded. You guys wait outside, I want to take a rest..." At this moment, the sharp voice became a little hoarse and weak.

The unknown people outside the Bronze Hall looked at each other, but did not go in.

Jiang Du was breathing heavily and heard the last prompt from the system.

"Ding, the secret of the positive and negative five elements has been upgraded to the ultimate secret of the positive and negative five elements!"

Jiang Du let out a long breath, it hurt so much, it hurt me to death.

"ah……"

Some crazy screams rang out in Jiang Du's divine sea.

The unknown nature of heaven made Jiang Du completely crazy when he appeared again.

Fortunately, he couldn't speak. If he could speak, he would probably only have one sentence.

Why aren't you dead yet?
Chapter completed!