a singular beautiful empress portrait, black hair, with a brilliant, impossible striking shiny big blue crystal headpiece, symmetrical, reflective surface, blue crystal clothes, rococo, baroque, jewels, asian, realistic, studio lighting, closeup, D&D, fantasy, intricate, elegant, highly detailed, digital painting, artstation, octane render, 8k, concept art, matte, sharp focus, illustration, art by Artgerm and Greg Rutkowski and Alphonse Mucha