about hardness, it's at least a tie with Heaven Dou crystal stones." Fang Yu handed the Thunder Jiao bone in his hand to Qin Yimo.Qin Yimo gasped, almost dropping the lightning dragon bone.It's too he...rning at the surface of its body.It raised its head, looking in the direction where Fang Yu was. Both of its palms lifted at the same time!"Dark magic power!""Boom..."A glimmer of darkness flashed acr...