1man, demonologist, calm expression, (30yo), short black hair, goatee, glasses, leather jacket, dark shirt, silver pendant, black jeans, leather boots, holding ancient book, pentagram ring, standing, candle-lit room, old wooden furniture, shelves with occult books, stone walls, dim lighting, soft shadows, moody atmosphere, 3/4 view, high detail, realistic texture, ambient occlusion, chiaroscuro lighting, focused composition.