Hogwarts castle, ancient stone walls, magical atmosphere, enchanted forest background, wizard student, (17yo), Gryffindor uniform, red and gold scarf, wand in hand, casting spell, dynamic action pose, intense expression, green light effect from missed Avada Kedavra curse, dark robes, moonlit night, mystical fog, dramatic shadows, 3/4 view, high contrast lighting, dynamic composition, magical duel scene, fantasy setting, detailed textures, cinematic quality.