The NightMare project as it came to be known augmented a set of large bodied mares from the north to conduct counter-piracy ops. This is a story of one of those mares and her determined supporter.
After decades of preparation, an ancient cult finally manages to summon two of their dark gods into Equestria. Instead of almighty Alicorns, they arrive as a pair of helpless fillies. To get home, they'll have to play the part...
Bat ponies were a convenient hiding place. Few knew of their true nature, if they even really existed, so he could pretend to be one and get few hard questions. A pity one princess knew more than most, and would not be casually brushed aside.
Ponies, each with stories of their own, all linked across time by a horrific, unknowable entity. Something terrible is happening... or has it already happened?
While searching for his childhood friend, Thunder Gale is confronted by an ancient presence that forces him to reconcile the darkest elements of his soul, or die trying.