Talk:My Little Pony: Friendship is Magic (comics)/@comment-11677914-20140614174542/@comment-24908786-20140614234459

Yeah, it was only once they started noticing changes from bringing stuff back from the parallel world did they start to realize something was wrong.

It is make even more so when Nightmare Moon was defeated and Luna rejoined Celestia, that caused Parallel Sombra's Luna to decide to join the Dark Side and her big sister, turning the parallel Equestria into something out of an apocalypse...