A gigantic nuclear explosion dominates the scene with an enormous mushroom-shaped cloud, incandescent and loaded with fire, smoke, and ash. The white and yellow core dazzles at the base while columns of flames rise toward dense masses of reddish and black smoke, creating an apocalyptic effect. Sparks, burning fragments, and lines of energy shoot out in all directions, intensifying the sense of massive destruction, extreme heat, and shockwave. The dark sky, covered with storm clouds, reinforces the dramatic atmosphere of catastrophe, war, atomic detonation, and total devastation.