Shortly after Spike wore the Element Of Loyalty, the magic concealed deep within the gem chose him to wield it, replacing Rainbow Dash. Continue the story to read her lament.
After a long day of hard work, Celestia wishes for her life to change, unaware that the word she recited was of a Secret Starswirl Spell, what happens next shows her something she couldn't see for the millenniams she's lived.
ARE YOU DEAD! COME BACK!
ARE YOU DEAD?!?!?