L'angelo Del Male (1938) Official

Should the be a supernatural figure or a human villain?

That night, a bouquet of black roses arrived at her dressing room. No card. Just a cold, metallic weight hidden among the petals—a key to a house on the outskirts of the city and a note written in a sharp, aggressive hand: "The world is ending, Elena. Sing for the dark, or burn with the light." L'angelo del male (1938)

When the lead fainted mid-aria—a sudden, inexplicable sickness—the stage manager shoved Elena forward. The spotlight hit her like a physical blow. She began to sing, her voice a fragile bird taking flight. Should the be a supernatural figure or a human villain