Mysterious lady, Lake Lady, holding Excalibur, solo, (25yo), elegant detailed hair, wavy long silver hair, subtle makeup, delicate features, pale skin, intricate lace gloves, flowing white medieval gown, golden brooch, crystal necklace, misty atmosphere, foggy lake, ancient trees, moss-covered rocks, mystical aura, cinematic composition, low-key lighting, warm color tone, shallow focus, mist effect.