With ancient threats coming out of the woodworks, Celestia realizes that it's only a matter of time before one of them beats the few heroes they have. Her solution? To recreate a special unit from the Draconequi War.
Two months ago, a Nightmare Alicorn tried to escape Tartarus. He was stopped by the very foals he was trying to use. He hasn't given up. He's coming for them.
Every war has it's beginnings. The first battle was about one filly. The first campaign is about one city. And we're talking aout overthrowing chaos here, so let's be honest, nopony's expecting this to be simple.
My dearest student Twilight Sparkle, you once asked me what happened during the war with Discord, and while I can honestly say that I told you the truth, I may not have told you everything...