Valkyrie, immense power, only upper body visible, floating in cloud, hovering above battlefield with slain bodies strewn below, old norse historical clothes, feather coat, leather top, wool coat, crackling lightning and heavy rain, dramatic stormy clouds gathering, dynamic swirling winds, dark blue and grey color palette, ancient deity aura, lightning- shaped ornaments in hair, glowing aura of electricity, ornate gold and silver armor, commanding presence, eye of the storm backdrop, (best quality, 4k, 8k, highres, masterpiece:1. 2), ultra- detailed, (realistic, photorealistic, photo- realistic:1. 37), HDR, UHD, studio lighting, sharp focus, physically- based rendering, extreme detail description, professional, vivid colors, bokeh