Abbadon?
Liu Xiaodan was aware of the name's origin, but he had no clue why this entity would present itself as a fallen angel. Then again, if he could freely dub a scary entity as a doctor without it passing exams for a license, an entity might as well borrow something else's name as its own.
He then watched more corpses plagued the exit of the room. "Okay, Abbadon, am I the only one you wanted? I mean, would you let them leave?"
"Ohhh, how interesting of you.
"They're nothing but food to us… even sent inside this paradise known as Hell to the humans. How come you're not willing to eat them? You depend on someone else's power." The corpses began to seep into the room like tendrils from a giant hand. "You should appease him by offering humans.
"No matter how powerful a spirit is, it would always be inferior to the taste of a live soul. Now, now, wouldn't you like to make your benefactor happy?"