A striking portrait of a young woman in an intricately designed exo suit, featuring advanced sci-fi armor, set against the dramatic backdrop of a nuclear explosion in the distance. The composition captures the intense blast wave and swirling nuclear ash, emphasizing themes of atomic fission. The scene is rendered in exceptional detail, with a full-body shot that highlights her poised stance reminiscent of a movie still. Utilizing 8K UHD resolution, the image embodies cinematic and futuristic elements with photorealistic and hyper-realistic qualities. The portrayal captures a sense of acceleration and a brilliant flash of light, as if caught in a painting with a third-person perspective. The long exposure effect combines with complex lighting to create a dynamic and immersive scene, characterized by meticulous cinematic staging and vibrant, intricate details.