Dark mysterious corridors, grandiose Gothic staircases, rich wood tones, ornate carvings, dramatic arches, mystical vaulted ceilings, intricate stone patterns, luxurious velvet drapes, bold crimson accents, eerie candlelight, misty atmospheric fog, dark cool grays, somber blacks, deep berry reds, warm golden lighting, 1/2 composition, low-key contrast, realistic textures, ambient occlusion.