Dark, mysterious satanic design, ornate, intricate patterns, red and black color scheme, pentagram, upside-down cross, Gothic architecture, dimly lit, eerie atmosphere, foggy mist, old worn-out stone walls, crypt, candlelight, shadows dancing on walls, mysterious ritual, forbidden knowledge, ancient tome, leather-bound book, mysterious artifacts, skulls, bones, occult symbols, mysterious fog, red eyes glowing in the dark, dramatic lighting, intense contrast.