Handsome Severus Snape, Hogwarts professor, dark wizard, 40s, tall, lean build, pale skin, prominent nose, greasy black hair, sharp jawline, piercing black eyes, black robes, intricate silver clasps, billowy sleeves, worn leather boots, standing, leaning on a staff, mysterious atmosphere, dimly lit classroom, stone walls, wooden desks, flickering candles, dramatic shadows, cinematic composition, high contrast lighting.