Okay... I'm not so sure about
Elemental, as I think that everyone can use at least 1 power at night, except for the masons, the hangman and the grave keeper. (That's if it's the same as Medi I.)
@Bookboy: Drash, Zar peter got here before I did, but yeah, he's got it right. I think.
Pressure on Tom the mime(4?), what's your role? Could you give us a little insight?