dark fantasy horror illustration inspired by the book Slewfoot, depicting the horned for…

dark fantasy horror illustration inspired by the book Slewfoot, depicting the horned forest spirit Slewfoot howling toward the moon, standing upright on two goat-like legs with cloven hooves, muscular upper body of a man covered in coarse black goat fur, long clawed fingers outstretched, head of a goat with curling natural horns, golden eyes blazing and leaving faint light trails through the mist, moonlight breaking through storm clouds above, eerie fog creeping across the forest floor, wind whipping through leaves and tree limbs, motion blur suggesting swirling air and rising debris, faint glowing embers and sparks in the darkness, painted in the gothic realism style of Brom, cinematic chiaroscuro lighting with cold moonlight and warm ember contrast, ultra realistic texture and detail, mythic and terrifying atmosphere, iPhone wallpaper aspect ratio --ar 9:16 --raw