What does the fortune teller mean when he says I have evil bones?

This book is signed by the second editorial team of the starting point. Bones are divided into bonesetting, anti-bone, evil bone, inverted bone, strange bone, ordinary bone, demon bone, base bone and obscene bone; In the world, people are divided into good and evil, including gentlemen, rebels, eccentrics, enchanting people, shrews, prostitutes and even mortals. One bone leads to countless supernatural stories. A mortal got this evil bone and got involved in a series of strange events. All the stories begin with this evil bone.