You are playing Nightmare mode.
Forced: When stage 3b is revealed, discard all Mount and Artifact cards from play. Each player must also discard allies he controls until the total printed cost of allies he controls is 6 or less.
"Far, far below the deepest delving of the Dwarves, the world is gnawed by nameless things. Even Sauron knows them not."
–Gandalf, The Two Towers
Begin with the standard quest deck and encounter deck for Foundations of Stone scenario.
Remove the following cards, in the specified quantities, from the standard encounter deck:
3x Goblin Scout
2x Goblin Swordsman
1x Goblin Follower
3x Burning Low
1x Branching Paths
1x Many Roads
3x Cave In
3x Drowned Treasury
1x Mitril Lode
4x Moria Bats
During setup, players are instructed to set the Foundations of Stone encounter set aside, out of play. Shuffle the encounter cards in this Nightmare Deck with the Goblins of the Deep encounter set icon into the standard encounter deck. Then shuffle the encounter cards in this Nightmare Deck with the Foundations of Stone encounter set icon into the remainder of the set aside Foundations of Stone encounter set.
Finally, flip this setup card over and place it next to the quest deck. Its effect remains active throughout the game, which is now ready to begin.