S-Level Evil Spirit Copy? Isn't This a Cafeteria?

Just like people need to eat when they are hungry, ghosts also need to eat when they are hungry. Three years ago, Zhang Ziling woke up and found that his heart was missing, replaced by an extremely terrifying evil ghost. In order to satisfy the exaggerated hunger caused by evil spirits, Zhang Ziling had to play the role of a goddess and attract many customers in the name of exorcising evil spirits. But due to the gap between quantity and quality, it is only a drop in the bucket in the face of the evil ghost's growing appetite. Fortunately, there is always a road ahead. Zhang Ziling picked up an invitation letter from Utopia and entered another world. "You mean, all these ghosts in the dungeon can be eaten?" Zhang Ziling, who was surrounded by many ghosts in the dungeon, couldn't help but swallow his saliva. The kid in the copy? Have eaten. An NPC possessed by a ghost? Have eaten. A ghost with an important plot? Have you finished the plot? After finishing it, I will start. The immortal final boss? My friend, I didn't kill you, I just wanted to put you in my belly and stay with me forever. At first, after devouring the ghost, Zhang Ziling could only feel an increase in his physical strength. But as the ghost's level increases, he gets more and more rewards. Special abilities, personal talents, self-enhancement... Not only can he gain the abilities of the eaten ghosts, he can even add rule-based enhancements to their abilities. Zhang Ziling stood in front of the army of ghosts and monsters with his hands spread out, as if he was in a deserted place. "What is a hexagonal warrior?"