When Luna gifts Twilight the town of Ponyville and its surrounding countryside as her demesne she's initially confused. Then, after double checking her dictionary, more than a little concerned.
Having come to terms with the changes in his heart, he writes one important letter to the princess who gave him the last chance he'll ever need, but soon thinks better on it, deciding to tell her face to face.
Long, long ago, when the Age of Dragons ended in fire and ruin, the greatest of the dragons challenged the races of Equestria to prove themselves worthy to rule the next age.
Adrift in a sea of fearful adoration born from residual terror, how can Cadance possibly hope to get honest criticism out of anypony? By making it mandatory.