The changelings attacked quickly and without hesitation. They had regained their strength as a colony much faster than anyone had expected after their devastating loss at the wedding. Celestia was not prepared, the ponies of the land were not prepared; Equestria was not prepared, and it showed by their quick reduction in agricultural land. While many ponies had started acting weird, Twilight had a special kind of "weird" to her. Something was off, and the truth revealed itself during the most vulnerable and weak time of Celestia's emotional and mental stability.