"Please forgive, , but I would be a poor servant if I were to say who sent me. If either of you ended up comprimised by cantrip or the like, it would increase the odds of them finding out. As for what task? Well, you've seen yourself what happens to sidhe here. They are made to forget themselves with magic thrall collars, they are used as slaves . I am here to free a member of House Gwydion. Not easily done."