Close-up medium shot, 8k, masterpiece, high quality, a female version of Sephiroth with flowing silver hair and piercing green eyes, standing amidst shimmering ice formations in a frozen cavern beneath the Northern Crater, wielding the legendary Masamune sword. The air is filled with icy whispers and sparkling crystals, the atmosphere charged with ancient magic and serene coldness, soft aurora lights casting an ethereal glow on her formidable presence.                                                                                                                                              ,RAW photo, subject, 8k, uhd, (high quality), detail