there was nothing that could touch me as long as i remained here , hiding away . he knew what his brother was , and he understood the need for caution . `` sam 's power keeps ghost tribe in the lower world . `` it was a terrible thing to do . we can not sleep out in the forest , it is too dangerous . he got up and went back to the boxes . she moved a table away from a door , pushed a key around , and opened it . 