All magic users are the same in your world that they'd all be witches? ( it sounds a bit redundant. then again, he has theorized that expositors are a different kind of Witch that developed differently. but there's no true evidence of that.

but moving on. ) I suppose death is a bit simplistic to describe it. They use pain and suffering and death can provide the biggest and easiest well of power to do so. The more skilled expositors can do more with less, but they're few and far between.

But they use the energy released from death to fuel their magic. They have a wide range of magic, but that's the essentials of it.