I think the Rook's Boulder Roll should be renamed to Rook Roll or at the very least, Rook should have an achievement for Boulder Roll use called Rook Roll.
I know this seems cheesey at first, but seriously, part of what great games have is a little bit of humor. People who don't get it will think it is just the ability and those who get it will find it hilarious. I used it once in game playing a friend and know we always use it. It just sounds cooler, partially because it is an illiteration. Try it and you will agree. I think this should be included. Please discuss.