C213 The Bidding for the Leg Bone

Xiao Yan looked at the beast bone in the box with a strange expression on his face. This thing could actually attract the Xiao Ao's attention.

"Xiao Yan, buy that thing. Whether or not you can cultivate the White Tiger Arts of the Four Spirit Emperor Technique depends on this. "

While Xiao Yan was slightly surprised, the Xiao Ao's excited voice suddenly sounded in his mind