C390 Indestructible True Demons

The pitch-black skeleton that climbed out from the devil well slowly flew up into the sky and actually merged into Primitive Fire Devil's body.

The moment the devil bone fused with the Primitive Fire Devil, the entire world began to shake, and many devil pattern appeared on his body.

"Roar!" The Primitive Fire Devil roared towards the sky, the Devil Domain around him shook violently