Chen Yu did not stop his closed-door cultivation. At present, the dark power within his body was still very powerful, and he could completely use it to continue advancing the Dark Demonic Arts.
Soon, another hundred years passed. Chen Yu's Dark Demonic Arts entered the second layer, creating the second demonic soul.
Four hundred-odd years had already passed in total from the time Chen Yu began his closed-door cultivation until now.
Chapter 1768