They're all used for different things, like I said. Water, generatin' barriers, combat... I could list 'em all off the top of my head, but maybe it's easier ta write down?

[He rummages through his pockets and pulls out his Cerevice even before Rideaux answers. They're pretty handy, all things considered.]

I guess the commonalities are that they all convert one form of energy into magic, even if the energy sources are different. And regardless of its original function, a lotta blastia can even be adapted ta use that magical energy as a weapon -- includin' mine.