Fergus had come back from the river sour look upon his face evidence of his lack of success in any trace of the drowners. He watched the Sources examining the doorway for clue. mechanism or clue.
Following his own totem, Fergus steps on a knot and begins to climb the tree, not only to get a better look at the charms festooned about it, but to get a better view of the whole picture, a new perspective.