[ He does not mind talking about the job, at least. Not really. He's just got some... bad memories associated with the lava guy, but he will keep them to himself for now.

It's easier to answer her questions in the more abstract way. ]

Yes, exactly. Usually born from people's fears and beliefs. If there is a common terror of tsunamis, for instance, a curse may grow around that to use water and wind as its weapon of choice.