Mysterious dark castle, rich velvet fabrics, ornate wooden furniture, mysterious cryptic symbols, grandiose chandeliers, dimly lit corridors, eerie atmospheric lighting, weathered stone walls, worn leather armchairs, mystical stained glass windows, heavy drapery, lavish crimson reds, deep midnight blues, mysterious emerald greens, warm golden yellows, dramatic high ceilings, intricate Gothic arches, ornate carvings, mysterious crypts, solemn atmosphere, realistic textures, ambient occlusion.