Retro Dark Fantasy Book Cover Art Prompt

dcd@rkf@ntsy. 1970s retro dark fantasy book cover art, dungeons and dragons style, Wide shot from behind a robed figure standing at the center of a crowd lit with green light, all facing a distant rocky mountain, where a colossal luminous fluorecent green moon with a skull face floats above the peak, dominating the background, with streams of glowing green energy cascading down from the skull’s mouth and jaw over the mountain, the landscape bathed in eerie green light, dark hills receding into a purple and orange twilight sky, the central figure’s silhouette and crowd lit by the moons green glow.