Sinister female harlequin clad in gothic black attire, haunting the shadows of a grotesque and macabre circus performance, exuding an atmosphere of horror. The intricate design and detailed costume reflects the eerie elegance of the dark carnival, illuminated by dramatic, cinematic lighting that casts deep shadows and enhances every nuanced feature. The scene is captured in photorealistic 8k resolution with cinematic noise, evoking a chilling yet captivating spectacle that lingers in the imagination.