a while ago i remarkd that maybe wyrd had no power on the world anymore and that he couldn't do anything until the dream was reunited.
but in light of recent reading, that theory gets tossed because of the fetch flavor text.
"...the fetch wear the skins of men out of necessity, for if the eye of Wyrd were to fall on them not so adorned He would recognize their alienness and smite them..."
this indicates that wyrd still plays a fairly active role in the world if he could actually hurt things.
odd that he leaves the trow though??