[And again, he doesn't really answer her question- so she's just going to give up on that and take it to mean that the answer is 'None.' He takes no precautions whatsoever and doesn't want to admit fault.]

You had already said that in your initial post. Old news is not particularly helpful, Mister Pines.

And, may I suggest, that if things are so unpredictable here, that you not mess with that ancient magic, then? Confirm that nothing will go wrong first, before proceeding with any experiments?