The Recovery of Ghost Stories Starts with Controlling the Rules

[Get away from the fusion of Liu Ligui] [My name is Yan Jing. When you read this letter, I will be dead. This is a world where evil ghosts have revived, and Yan Yan has obtained a piece of human skin paper with rules. "[Devil-Eyed Ghost Infant] + [Corrosive Ghost] can be advanced into the Demonic Corrupt Infant Spirit." "[Painted Skin Ominous Soul] + [Fire Ghost], you can advance to the Dark Fire Ominous Soul." "….." I can capture the evolutionary rules of [Ghost Control] through human skin paper. I fell silent and began to search frantically for the ghost. Evil spirit? Fierce ghost? Big evil in ancient times? I want to devour them all! Give me the integration and advancement!