C17 Corpse Sutra Secret Technique

The young man's clothes were soaked in oil and stuck to his body. A book seemed to be hidden in his clothes. Daoist Priest Gui Yan used the Seven Star Sword to draw a line on his clothes, and the book fell out. It was a leather book. The material of the beast skin was the same as the material of a beast skin map. It was dark brown and very tough