male demonologist, (30yo), intense gaze, thick eyebrows, stubble, slicked-back dark hair, leather trench coat, pentagram necklace, holding ancient tome, summoning circle, intricate demonic symbols, candlelit room, old library, dusty tomes, gothic architecture, ambient occlusion, moody lighting, dynamic shadows, 3/4 view, high contrast, detailed textures, atmospheric, eerie, HDR, wide-angle lens.