A captivating depiction of a female valkyrie gracefully descending with the mesmerizing aurora borealis illuminating the sky behind her. The portrait boasts exquisite detail and complexity, showcasing her breathtaking beauty with precise linework. The vibrant colors and comprehensive cinematic composition create a sense of wonder, reminiscent of Bastien Lecouffe-Deharme's style. The scene is enveloped in a volumetric midnight atmosphere, making the celestial spectacle even more enchanting. Despite potential low-resolution elements, every aspect of the artwork remains coherent and captivating, captivating the viewer with its enchanting allure.