The Royal Sisters have long suspected Sombra to have been ruining the Crystal Empire, though have no proof. The Captain of the Royal Guard investigates, only to go missing. The Sisters investigate, and find that Sombra's desire for power is just the beginning of the onslaught that await the Royal Sisters.

Short story written for /r/MLPwritingschool contest. The contest was extended, so this is now subject to major revisions.