Quote Originally Posted by Omedon View Post
They'd likely just have their opening set of abilities, which of course must be functional out of the box, at 70 or scaled down to 60.
Abilities for even new classes have levels lower than where they start. So take DNC for instance. Standard Step is a level 15 ability. So the classes would behave like all other classes and unlock the abilities in PotD that match the level they're on.