"Indeed," Robin said. "But I can see the reasoning behind that, too." She glanced sideways at him. "Whatever force is behind bringing us here can make our powers 'native' to be sure that we can be effective, but don't present a threat to the established order. If there's countless worlds--"

It seemed likely. "--then there's countless unintended effects we could have. At least, that's what seems most likely to me."