Luna Lovegood, Ravenclaw, Harry Potter character, whimsical pose, dreamy expression, long dirty blonde hair, radish earrings, blue eyes, quirky makeup, Hogwarts uniform, robe with Ravenclaw crest, standing in Hogwarts castle, near the Ravenclaw common room, magical atmosphere, soft lighting, 3/4 view, detailed architecture, enchanted ceiling, floating candles, ambient magic glow.