Like in 4e, you have a choice of which ability modifier gets applied to which save.
Str or Con can be applied to fort
Int or Dex can be applied to reflex
Wis or Cha can be applied to will
Ascendant campaigns can view previous versions of their pages, see what has changed (and who did it), and even restore old versions. It's like having a rewind button for your campaign.
We've already been saving your edits, so if you
you will have instant access to your previous versions. Plus, you get a 15-day free trial, so there's nothing to lose.