dark fantasy art style, cultist ritual, ritual site, Cthulhu emerging from the fog, visible massive monster, visible Cthulhu monster, highly detailed, morning dawn, (mystical dense fog), cultists praise the outer god, investigator looks at the monster in horror, oil and watercolor painting, epic scene, (dense smoke by Kim Keever), dark, moody, dark fantasy in style of Frank Frazetta, Bosstyle