Nereus Primordial Sea God Portrait

A hyper-realistic, cinematic portrait of mythological_figure. He is depicted as a muscular, elderly man with flowing white hair and a long white beard. He wears an ornate golden crown resembling coral branches adorned with pearls. His torso is covered in intricate gold chains and jewelry featuring large blue gemstones and pearls. A teal-colored fabric or wave-like texture wraps around his lower body, merging with splashing water droplets. The background is a deep blue ocean sky. In the top left corner, there is text overlay: 'NEREUS' in large serif font, followed by Japanese characters 'ネレウス', then 'PRIMORDIAL SEA GOD', and a paragraph of Japanese text describing him as the old man of the sea who knows all secrets.