Apocalypse

The Apocalypse was the name retroactively given to the invasion of Equestria by the combined effort of Cozy Glow, and, named presumably as such for how close to the brink of destruction Equestria became.

Legion of Doom

 * Cozy Glow
 * Cozy Glow

Trivia

 * Of the seven Pony varieties to appear in the My Little Pony: Friendship is Magic animated series-,, , Alicorn, Bat Pony, Crystal Pony, and Kirin-only the Bat Ponies did not have a single representative seen taking part in this battle.