Their stay was short, but their impact on Canterlot was significant. After an uprising occurred in the area, and since that it was on the planet that the alien nation PKR showed interest in the planet being a refugee planet, the country sent down 7 elite soldiers to suppress the rebellion and restore order. Not only did these soldiers accomplish this, but they had Canterlot advance. In exchange on how to use magic, the alien pony soldiers offered Canterlot some schematics of advanced technological machines, that revolutionized everything life was to them. They were known as heroes, but sadly, these heroes had to leave quickly afterwards. For they were called, and signaled with a message that made them leave in an instant: "SOS"