Gilroy is a mutated monster slayer from the School of the Wolf, sworn to the Hexer guild to defend those incapable of defending themselves from the many monsters that have entered the world through the Conjunction of Spheres.
The fall of the unified Equestrian republics results in a vicious civil war. A dark take on the world of Equestria, inspired by the vicious brother war of the former Yugoslavia - as written by an Eastern European who grew up in such an era.
Twilight Sparkle is given the position of an infantry officer in the Great Equestrian War, a conflict sparked by the assassination of her brother Shining Armour and Princess Cadence which plunges all of the world into a desperate fight for dominance.
AKA Equestria Rises: the Two Sisters. Celestia and Luna are the daughters of Selena and Solaris - the high priests of the Castle of the Sun and Moon. Life changes drastically, as they are gradually introduced into a world of kings and magical tyrants