A city somewhere in the Forgotten Realms Create a realistic 8k image that shows a castle at the bottom of the ocean, with fish swimming between its towers and walls., sf, intricate artwork masterpiece, ominous, matte painting movie poster, golden ratio, trending on cgsociety, intricate, epic, trending on artstation, by artgerm, h. r. giger and beksinski, highly detailed, vibrant, production cinematic character render, ultra high quality model