You are playing Nightmare mode.

Forced: After Cave Torch exhausts, place 1 damage token on this card. Then, if there are 5 or more damage tokens on this card, remove Cave Torch from the game.

All about them as they lay hung the darkness, hollow and immense, and they were oppressed by the lonliness and vastness of the dolven halls and endlessly branching stairs and passages. –The Fellowship of the Ring

Begin with the standard quest deck and encounter deck for the Into the Pit scenario.

Remove the following cards, in the specified quantities, from the standard encounter deck:

1x Goblin Patrol

2x Stairs of N in

2x Goblin Follower

2x Crumbling Ruin

3x Cave In

2x Fouled Well

2x Goblin Tunnels

5x Goblin Swordsman

Add the new quest card in this Nightmare Deck to the normal quest deck, in stage order. Then, shuffle the encounter cards in this Nightmare Deck into the remainder of the standard Into the Pit encounter deck.

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.