A breathtaking portrait of a young woman in a meticulously detailed exo-suit, showcasing advanced sci-fi armor with intricate designs. She stands resolute against the backdrop of a towering nuclear explosion, capturing the chaos of the blast wave and swirling nuclear ash. Atomic fission creates a vivid, dynamic atmosphere, all depicted with maximum detail in a full-body shot. The scene is captured with the clarity of 8K UHD photography, reminiscent of a dramatic movie still, and illuminated with complex lighting that enhances a futuristic aesthetic. The setting is a stunning blend of photorealism and hyper-realism, featuring accelerated motion and the fleeting brilliance of a flash of light. The long exposure captures a sense of speed and movement, while the cinematic staging evokes a sense of epic storytelling. The composition is framed with a third-person view, allowing viewers to fully appreciate the intricate balance of technology and impending destruction within a 9:16 aspect ratio.