A single Japanese samurai in full traditional armor, standing against a dramatic

A single Japanese samurai in full traditional armor, standing against a dramatic backdrop of a nuclear explosion. The samurai holds a katana, and his armor is detailed with intricate patterns and dark colors. The explosion in the background creates a massive mushroom cloud, casting an intense glow over the scene. The sky is filled with dark, billowing clouds, and the ground beneath the samurai is slightly cracked, emphasizing the destructive power of the explosion. The overall mood is tense, with a strong contrast between the ancient warrior and the modern devastation.