Or maybe Orleans' Gowns of Wild Cat for more damage, right?You can wear elemental orleans' gowns if you're worried about cast / don't have sacrifice
Ceruleangamer posted her findings above about mjolnir. Unless she wanted to lend me Mjolnir I can't test.
I searched for the findings but didn't find a thing, there are tests but not between Mjolnir and +12 Tripple Kingbird Red Twin Edge.