Elegant gothic staircase, intricately carved wooden banisters, mysterious dark wood tone, ornate metal railings, grand high ceilings, lavish velvet drapes, antique furniture pieces, richly upholstered armchairs, majestic chandeliers, mystical lanterns, dramatic lighting effects, warm earthy color palette, luxurious thick carpets, heavy brocade fabrics, imposing stone walls, medieval-inspired decor, mysterious ambiance, cinematic composition, low-key lighting, atmospheric fog effect.