Good to know, but it would be hard for any player to know. Because isn’t it inconsistent with how all the other tags in the game work? Like if my skill has a lightning tag, that means it does lightning damage and is a “lightning skill”. So I think they should make this clearer in game.
I was discussing something similar with Llama in another post about casting spells of another element type for mages. And we determined it was all about the tags. Here’s the thread link and some quotes from it. other element thread
Only if it has the fire/cold/etc tag when you cast it. What it was originally is irrelevant.
No, that just adds flat damage, the tags are the important thing.