Talk:Princess Cadance/@comment-4109747-20140509224741/@comment-24908786-20140509231959

It was only temporary due to the huge amount of energy released by the Crystal Heart that destroyed King Sombra.

For that time being, Cadence, Shining Armor, the Mane Six, and Spike were given a temporary crystal pony form. Once they left the borders to go to the train station, the effects wore off.