Dark, mysterious penthouse interior, grandiose high ceilings, ornate stone walls, stained glass windows, heavy drapery, lavish furnishings, velvet upholstery, intricately carved wooden furniture, gothic arches, mysterious ambiance, dim warm lighting, rich textures, mystical patterns, medieval-inspired decor, luxurious fabrics, bold colors, dramatic shadows, 1/2 composition, low-key lighting, cinematic mood.