The void is a coterminous plane with the material plane. It is a place of shadow and darkness. No ethereal or plane of shadow exist as far as scholars on the prime material plane are aware.
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.