fg, Create an artwork of NYARLATHOTEP, a figure from the Cthulhu Mythos, also known as the Black Pharaoh. A shape-shifter who guides the energies of the mystic cosmos and arcane infinity. Behind the figure, the sharp outlines of a City, named R'lyeh, the Sacred Stone City. The overall mood should be ominous and unsettling, capturing the essence of a cosmic horror entity. Use lumen for dynamic lighting and reflective surfaces, employ ray tracing to make these effects even more realistic. Overall, the painting with a focus on detailed textures and dramatic lighting features a monochromatic scheme, primarily with shades of black, white, and gray.