I'm in the minority and see no problem with the change except removing it from masterworks I don't think that was wise but I have to see it to make a decision. Don't tie it elements that in my opinion is not a smart move. It shouldn't cost more then 2 points of energy ,free if I'm being biased. This change still aggravates the vault issue which you have not responded to, either flat out say no or fix it. I'm not one for surprises and ultimately hate then I rather know everything now than be blindsided.
I agree 100 about tying it to the elements BUT there could be a reason for it When I read the element thing. That’s what pissed me off But who knows could be good