C673 Ghost Demon Breakthrough

It wasn't difficult to master this Secret Technique. Wu Chen had been cultivating it for a night, and he had already mastered it.

Wu Chen's eyes sparkled. He could feel that on the soul chains of himself and his demon pets... This chain was illusory and illusory. However, it seemed to be connected to Wu Chen. When needed. With Wu Chen as the medium, it gathered the power of the other demon pets