Solar Valkyrie Superhero Transformation Prompt

A prompt for AI video generation to generate a cinematic superhero transformation scene. The setting is a skyscraper rooftop at sunset where Millie Bobby Brown, initially in a business suit, transforms into 'The Solar Valkyrie' with golden, feathered metallic wings and white-and-gold armor after a demonic creature crashes onto the roof, emphasizing an ethereal, high-stakes superhero vibe.