a beautiful mermaid looking at the sunken city of Atlantis under water, ray of sunlight, stunning grand architecture, detailed painterly digital art style by WLOP and Cory Loftis and Greg Rutkowski and Mohrbacher and John Collier and Albert Aublet and Krenz Cushart and Artem Demura and Alphonse Mucha, 8k octane beautifully detailed render, post-processing, extremely hyperdetailed, intricate, epic composition, grim yet sparkling atmosphere, cinematic lighting + masterpiece, trending on artstation, very detailed, vibrant colors, Art Nouveau, god rays