full-body character concept art of a male humanoid supernatural yokai, an ancient calamity spirit born from darkness and human fear, tall slender masculine humanoid silhouette, clearly human-shaped at first glance but fundamentally inhuman, eerie human proportions with subtly elongated limbs, relaxed upright posture, unnaturally still presence, his entire body is engulfed in absolute supernatural blackness, from head to toe, including the face, skin, hands and feet, as though his physical body is only a human-shaped hole cut into reality, NO visible facial features, no visible eyes, no mouth, no nose, no pupils, no skin, the entire face completely swallowed by pitch-black shadow, the darkness is not clothing and not smoke covering a normal person — his body itself appears composed of condensed darkness, subtle irregular organic anatomy beneath the silhouette, faint ridges and unnatural contours suggesting something monstrous hidden inside the human form, a few restrained yokai-like abnormalities breaking the silhouette: asymmetric horn-like shadow growths, slightly elongated fingers, strange organic protrusions around the shoulders and upper back, minimal and elegant rather than grotesquely overloaded, edges of the body softly dissolve into thin wisps of black supernatural mist, subtle distortion of space surrounding him, faint shadow tendrils crawling along the ground, simple dark ceremonial lower garment partially fused with his body, ancient East Asian supernatural aesthetic, minimal ornamentation, no modern clothing, no conventional armor, ominous but calm demeanor, intelligent predatory presence, feels like a disaster possessing consciousness rather than a mindless monster, standing alone inside a ruined ancient shrine at night, broken wooden structures and weathered stone, deep shadows, faint cold moonlight behind the silhouette, supernatural darkness spreading across the floor, strong readable silhouette, unsettling negative space, restrained composition, clean anime character design, dark supernatural fantasy manga aesthetic, sharp controlled linework, cel-shaded illustration, cinematic framing, low saturation, black and charcoal dominant palette, subtle cold gray accents, beautiful yet disturbing, humanoid yet unmistakably nonhuman, mysterious high-ranking yokai, iconic character design, full body visible, (sharp lineart:0.7), thick lineart, cel shading, (flat shading), 1boy, depth of field, blurry background, (hysteric_style:0.5)