The Fate of Erebor was a promotional item included with copies of "The Battle of Five Armies" Collector's Edition and given out with first print copies of the revised edition of "The Battle of Five Armies" board game.
It is an alternate setup of "War of the Ring" with which you can play when the Shadow player wins "The Battle of Five Armies" board game. Contains alternate map tiles, character cards, and event cards for the "War of the Ring" base game.