At long last, the combined enemies of Doctor Whooves and Derpy Doo are ready to make their move, determined to bring down the two and Equestria with it.
The Bearers of Harmony will need to learn much and prepare for the worst when the most dangerous ponies they could ever meet set their plans into action.
This army at their doorstep, unlike any other they have faced, is comprised of the most feared and deadly killers across the world led by a mysterious and utterly ruthless criminal mastermind. His foe- The Doctor. His targets- Those he loves. His employer- A deranged mare who, more than anything else, wants Derpy Doo to suffer.
All events prior have been leading to this moment.
Who will be victorious?

Sex Tag-For innuendo and connotations. No actual activity.