Oath of the Ancients 23
Oath of Conquest 6
Oath of the Crown 9 - 2 = 7
Oath of Devotion 25
Oath of Redemption 17 + 1 = 18
Oath of Vengeance 20
Oath of the Watchers 18
Crown is fine thematically, but mechanically it's the dullest of the remaining subclasses here.