So is this finally a thing? I've watched the intro movie to Kara, namely this one:
https://www.youtube.com/watch?v=isnVNqTbRNU
Pay attention to the very last few seconds - the gnome mage has orbs and is casting a fire spell with matching colors to her artifact!!
So is this really a thing now? Is blue fire finally in the game if you change your artifact color to blue???