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.