C141 Isn't Bone-honing too Expensive

"Bones honed cultivation method, please click Exchange."

The system said mechanically.

"I need to exchange again. "I have to spend money on this, and it's just that I can't get it out. It's very uncomfortable."

As Chu Feng spoke, he saw a thrice-honing cultivation technique of the lower three grades. However, when he saw the price, his face immediately darkened.

800 million. F * ck, heartless