12 more universes!

There are 12 universes, each one with a god, and Bills is the god of destruction of our universe. These gods are spread through all the 12 universes, each one with the work of keeping the balance of that universe. Bill its supposed to be the weakest of all the12 gods, what could this mean? Could there be stronger transformations than super saiyan god? A super saiyan god fusion? We'll have to wait for more info to get revealed.