Insanely detailed illustration of a full body majestic mesmerizing mermaid playing a golden flute, flowing perfect mermaid tail, shimmering, black background, ethereal, intricate and hyperdetailed painting by ismail inceoglu, huang guangjian, cgsociety, zbrush central, fantasy concept art, 64 megapixels, 8k resolution, hdr, photorealistic, a masterpiece, ultra high quality