Close-up medium shot, 8k, masterpiece, high quality, Sephiroth with his long silver hair flowing in the dark waters of the Abyssal Sea near Junon. He holds the legendary Masamune sword, surrounded by bioluminescent creatures and ancient Leviathan relics. The atmosphere is mysterious and charged with the depths of the ocean's secrets, soft aquatic glows and distant whale songs adding to his enigmatic and powerful presence.                                                                                                                                                              ,RAW photo, subject, 8k, uhd, (high quality), detail