C314 Bone Tempering mastery

All of the bones in his body had actually cracked, as an enormous wave of pain engulfed every single one of Luo Yu's nerves.

"Ah …!"

This kind of intense pain, this kind of pain that went deep into one's bones and pierced deep into one's soul, caused Luo Yu to painfully let out waves after waves of low growls. Cold sweat the size of beans dripped down his forehead as well