Dark mysterious basement, dimly lit atmosphere, stone walls, arched windows, ornate wooden accents, luxurious velvet fabrics, rich leather textures, mysterious ancient artifacts, intricate carvings, grandiose chandeliers, lavish drapery, somber color palette, heavy metal fixtures, distressed wood furniture, ominous candelabras, eerie ambiance, dramatic lighting effects, mysterious alcoves, mystical symbols, ancient tomes, mysterious relics, dark romanticism.