As dawn breaks in the East, a blast from Helm's Horn echoes in the valley and the Riders of Rohan charge out from Helm's Gate with King Théoden and Aragorn at their head.

When Revealed: Shuffle the encounter discard pile into the encounter deck. Discard cards from the encounter deck until X enemies are discarded. X is the number of players. Add each enemy discarded this way to the staging area.

Skip the quest phase. Players cannot reduce their threat.

If there are no enemies in play, the players win the game.

With a cry and a great noise they charged. Down from the gates they roared, over the causeway they swept, and they drove through the hosts of Isengard as a wind among grass. –The Two Towers