Fear

"Your name is Seraphine," said Arthur after a moment. "I don't know how, but I knew that name the moment I entered your world."

"An inner world is the closest thing to a person and their soul. If someone enters an inner world, they would learn something about the owner. It can be a name or a secret that no one knows."

"Is it something rare for a person to have?"

"As I have said before, if you have one, you are either a demon or a god," said Seraphine as she stared at him with red eyes surrounded with black. "If you proclaim to be neither, then you know very little about yourself."

"Do I look like either?"

"Looks can be deceiving," said the demon as she raised her hand and the black mist conjured around her. Then, Arthur witnessed how she turned into a woman, a man, and a bird. "Once someone masters their world, he is no longer bound by the outside world and its laws."

"Is that what makes demons so loathed?"