When the 5 main CPUs got fragmented, that gave Mammoth Mogal the chance to turn Equestia's two alicorns Celestia and Luna to Dawn Breaker and Nightmare Moon, Jagaa (the Last goddess of Tari) and Pippih (Mogul's former wife) used the 5 main CPU fragmentation energy to bring in X, Zero, Axel, and the other maverick hunters of both points of the timeline of X (after X8 and Command Mission) to help free Celestia and Luna since they need to stop Mogul plans fast, Just like X the new form Zero has gained is so Zero is able to blend with the locals of Equestria as Equestrians will freak out about a colonizer Reploid