(Portrait of a female guardian, underwater city under a dome, holding a harpoon weapon, close-up from the front, ((double exposure)), ((picture in picture)), ((transparent spacesuit:1.4)), (while inside a large underwater city), (with mysterious castle-like structures:1.8), (under a huge glass dome:1.8), interacts in 3D, colorful underwater world, fantasy art style, ((picture-in-picture)), offers a view of the endless underwater world behind the domed city, with, (bizarre, colorful plants:1.6), (marine animals:1.8), ((underwater city with its inherent fantastic structures and inside:1.6), ((double exposure)), ((picture in picture)), ultra-realistic, sharp, detailed image, cinematic colorful photography that conveys the rich colors inherent in the description of the underwater world, mysterious, mesmerizing atmosphere, highest quality, 8K resolution.))