A stopper now jammed through the mirror that once bridged two worlds together only once every thirty moons, Sunset Shimmer takes what may be her final chance to confront all that she is and was. Twilight once brought to Sunset an option that was once thought to be long since lost. A quest, one that all apprentices must take; it is now Sunset Shimmer's one and only mission.
Twilight Sparkle offers to Sunset Shimmer "a final choice".
Sunset Shimmer accepts Twilight Sparkle's "final choice".