You are playing campaign mode.

Setup: Each player must choose: either add 1 resource to each of his heroes' pools, or shuffle 1 copy of Brace of Coneys into his deck. Remove each burden with the following burden set icons from the encounter deck and each player's deck: Helm's Deep, The Road to Isengard

So they passed into the northern marches of that land that Men once called Ithilien, a fair country of climbing woods and swift–falling streams. -The Two Towers

Resolution: Each player who chose to shuffle a copy of Brace of Coneys into his deck during setup has earned that boon. Add each earned copy to the campaign pool. Record the name and quantity of each enemy underneath The Black Gate in the notes section of the campaign log.

"Here is the last parting of our ways," said Faramir.
"If you take my counsel, you will not turn eastward yet. Go straight on, for thus you will have the cover of the woodland for many miles." –The Two Towers