A breathtaking portrait of a female valkyrie gracefully descending, with an enchanting aurora borealis illuminating the background. The figure is centered, showcasing intricate and highly detailed artistry that captures her ethereal beauty. The precise line art highlights her form, creating a vibrant and comprehensive cinematic vision reminiscent of Bastien Lecouffe-Deharme's style. A volumetric atmosphere envelops the scene, set against a midnight sky. While avoiding common artistic errors like missing or extra digits and ensuring accurate anatomy, the portrait remains free from issues like jpeg artifacts, poor proportions, and disfigurement. The artwork is complete within the frame, presenting a cohesive and captivating image free from distractions such as text, watermarks, signatures, or any distortion typically associated with low-quality art.