Changeling Concept: The Phalanx Hive  
And their queen, Sarissa, daughter of Chrysalis. Her hive has infiltrated the royal military and mainly feeds off the love civilians give it for protecting them, and occasionally that of their fellow soldiers. They look out for other hives not to be discovered, but otherwise don’t much interact with them. Sarissa herself is so used to her orders being followed directly that she easily gets irritated when someone ignores her - and her fellow queens (>>933720) are all their own bosses. Despite having some good positions in the Equestrian military, she has no plans to conquer the land or abuse her position…much.