C1290 Refining Yin Yang Cauldron

"Because we are inside the 'Yin-Yang Source Qi Cauldron'."

Mo Qingli's words were like a thunderclap that resounded in Chu Hen's mind.

His expression slightly changed and his pupils constricted, and his face was filled with disbelief.

Inside the Yin-Yang Source Qi Cauldron?

How is this possible?

Chu Hen scanned his surroundings in shock. Endless dark world as far as the eye could see