Descend into Darkness

The second book following My immortal, mortal lifetime.
Hua Ying Descends becoming Supreme Demon Ghost king, but with the Yin Iron still out there he has to go back. will things remain as they are or will him and his soul mate finally be together? will his family the Defan Wens be saved? or will Hua Ying drown in the tainted darkness and becoming something the cultivational world fears...