Two centuries ago, a war swept through Equestria, destroying almost everything with the fire of megaspells. But the ancient projects created in the scientific and technological race that gripped the country did not disappear without a trace, but remained frozen after the death of those who worked on them. And now, a long time later, one of them was close to its completion. Largely due to the fact that One day, an alien from another world invaded the stagnation of post-apocalyptic Equestria. His goal is to find the legendary Elements of Harmony to use for the benefit of his reality. The problem is that the inhabitants of the Wasteland have completely different plans.