It should possibly be mentioned at this point that Opalyn's memories suggest that powerful sorcerers can live for a long time. Definitely the Dread Emperor hasn't been said to be replaced in a while.
This comes up because the level of paperwork in this office has gone utterly and completely out of control, and in fact, some of it looks like it might be quite old.

The guy at this desk looks up as she's brought into the room, and not at all with a happy expression. "Are you complicated?" he barks at her.