I'm just thinking about the ways to undo a power if it gets out of control. It's easier to put out a small kitchen fire then it is to thaw out a block of ice. I find more useful ways of using fire (energy wise) than ice.

As I always say, I rather freeze to death than being burnt alive.

I'll go with Tactile Frost. At least i can keep people alive and can do anything I want with them while they are frozen. Same with places and objects.