Myth returns

You were a member of a group of adventurers, but while sailing on a ship, your group stabbed you and dumped you off the ship, 6,000 years have passed, and the time of magic and monsters is considered fairytale fiction. Magic has faded and so did the monsters and demons, and it's the modern era. You wake up at the bottom of the ocean, your body is covered in black plate-like scales and your skin is pale as moonlight, your hair is a deep cyan that glows dimly