The knife was one of the rewards that Lord Stanislav gifted the players after returning from Kasimir’s Keep
With quintessence the knife can cut/draw a barrier which keeps others from crossing. It can also be suspended to make a compass to locate supernatural beings (or at least other mages).
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.