Twilight Sparkle, one of the foremost mages of the Solar Dominion, is sent on a mission to cross the borders of the Lunar Soveriengty and retrieve a long-lost item of great power. But those lands are dangerous, and magic alone cannot pull through.
A disgruntled, ex-military pegasus. A sweet-talking, high-society diplomat with something to hide. A down-to-earth farmer, too proud to admit that she's in over her head. An empire fueled by magic and steam. A revival of war.