[Evan sighs, there being almost a wistfulness to it.]

I know what you mean. We've got too many single examples of different kinds of magic -- not enough for a proper study by any means, not without some serious margins of error. Any overarching theories anyone could come up with here would be little more than proofs of concept.

What I wouldn't give to be a fly on the wall in the ALASTAIR research department. I'm sure they have a better handle on the questions we can only just begin to pick at here.