Catherine is horror struck to realize that rather than the lavish world that had been promised to her, the demon has tricked her and that she is there because she chose to focus on sexual illusions and fulfilling her deepest desires rather than try to interact more with the world around her and improve herself as a person.
Catherine is horrified to discover that instead of the opulent world she had been promised, the demon has deceived her, and she is there because she chose to prioritize sexual fantasies and fulfilling her deepest desires over attempting to connect more deeply with the world around her and improve herself as a person.