>>6139317The undead rider is mystery, but whatever the meaning of his words we cannot all advance at the fullest pace. The Widowmaker still needs to cross, and so the rear can only move at a certain speed to provide his decaying bulk cover. And whatever the nature of this bequest, there are men some just too mauled to continue their season; the northernmost Knights thus ride on a retreat back to the land of the Hastlings for the season's remainder.