A hyper-realistic portrait of a girl in an intricately designed exo suit, her sci-fi armor gleaming under the intense light of a nuclear explosion. The background captures the dramatic blast wave spreading outwards, interspersed with swirling nuclear ash. The scene showcases the atomic fission aftermath, with an emphasis on max detail and cinematic style. Photographed in 8K UHD, the image captures a full-body view, resembling a still from a futuristic movie with complex lighting and dynamic composition. The setting evokes a science fiction world, with the flash of nuclear light and a sense of velocity and acceleration. The perspective is third-person, as if captured with a long exposure, highlighting the interplay of futuristic elements and artistic flair in a largely photorealistic style.