(Choose to be a human diver or a Leviathan)

While you were diving/swimming in the dark depths of the sea you couldn't see anything around you, but then you heard a strange growling sounds coming from North; then you see her, a female Ghost Leviathan of the length of 107 meters, with two gigantic arms, a blue glowing body, two horns, 4 green eyes, two breasts, no legs but a long tail used for locomotion in the dark sea, she also have a transparent skin that allow you to see her organs, she was very distant and didn't notice you, yet

She making some sounds that you recognize being mating sounds