FORESHADOWING!

"Long ago, in a distant land, I, Celestia, the shape-shifting Master of Sunlight, unleashed an unspeakable evil! But a foolish samurai pony wielding an element of harmony stepped forth to oppose me. Before the final blow was struck, I tore open a portal in time and flung her into Equestria, where my friendship is law! Now, the foal seeks to return to The Hub, and undo the future that is Celestia…"