A portrait of a young woman clad in an exo suit with intricate sci-fi armor, set against the backdrop of a massive nuclear explosion, capturing the dynamic blast wave and the swirling nuclear ash. The scene embodies the intensity of atomic fission with maximum detail in a full-body composition, as if lifted straight from a high-resolution, 8K UHD cinematic movie still. This futuristic vision boasts super-detailed, hyper-realistic elements, showcasing the drama of acceleration and the brilliance of a sudden flash of light. The painting employs a third-person view with a long exposure effect, highlighting the complex interplay of lighting and cinematic staging, all presented in an imaginative science fiction style, with an aspect ratio that emphasizes verticality.