If the current quest is a side quest, Rugged Country gets +2 .
Shadow: Attacking enemy gets +1 
for each quest card in play.
X is the number of quest cards in play.
While there is only 1 quest card in play, Shrouded Hills gains Surge.
As the sun rose and passed noon they glimpsed far off in the east the grey–green lines of the Downs... –The Fellowship of the Ring
When Revealed: Either search the encounter deck and discard pile for an encounter side quest and reveal it, or choose a different quest card in play to be the current quest until the end of the phase. Shuffle the encounter deck.
"But often I must put mirth aside." –Aragorn, The Fellowship of the Ring
When Revealed: Reveal 1 encounter card for each quest card in play.
Shadow: Defending player discards 1 attachment for each quest card in play.
You've lost your way in the vastness of Arnor. You must search around until you find your trail again.
When Revealed: Each player places all cards in his hand facedown underneath Lost in the Wilderness.
Forced: When Lost in the Wilderness is defeated, return each card underneath it to its owner's hand.
When Revealed: Assign X damage among characters commited to the quest. X is the number of characters committed to the quest.
Shadow: Deal 1 damage to the defending character.
When Revealed: Each player deals 1 damage to a hero he controls. Attach Cold from Angmar to the current quest. Counts as a Condition attachment with the text:
Treat each damaged character's printed text box as if it were blank, except for keywords and Traits.
"...the weather may prove a more deadly enemy than any." –Gandalf, The Fellowship of the Ring
Characters cannot be healed.
Response: After Make Camp is defeated, each player heals up to 3 damage from a hero he controls.
Your companions are exhausted from tireless effort, but you must find a safe place to make camp before you can tend to their needs.
Setup: Set aside each of the 3 Across the Enttenmoors side quests and each of the 4 locations with the safe keyword. Reveal 1 of those side quests at random and 1 of those safe locations at random, adding them to the staging area with the safe location guarded by the side quest. Search the encounter deck for 1 copy of Savage Trollspawn per player and add them to the staging area. Shuffle the remaining side quests and safe locations back into the encounter deck. The first player gains control of Amarthiúl.
You have escaped from the prisons of Mount Gram, but you are not safe yet.
Forced: At the beginning of the quest phase, if there are no encounter side quests in play, discard cards from the top of the encounter deck until a side quest is discarded, reveal it, and add it to the staging area.
Forced: When a side quest is defeated, place progress tokens on Into the Ettenmoors equal to that side quest's quest points.
Your trek through the Ettenmoors only gets worse as your injured company is pursued by hungry trolls and bettered by cold and rain.
When Revealed: Shuffle the encounter discard pile into the encounter deck. Discard cards from the top of the encounter deck until a side quest is discarded. Reveal that side quest and add it to the staging area, if able.
This land is barren and untamed. Food is scarce, and you must take care to avoid the Trolls and other creatures that roam the moors. If you are lucky, you may find a safe place to hide and rest for a short time before your journey continues.
Reveal 1 additional encounter card during the quest phase unless there is an active location with the safe keyword.
You are getting closer to the edge of the Troll–fells, but exhaustion has taken its toll. One way or another, this journey is nearing its end...
When Revealed: Shuffle the encounter discard pile into the encounter deck. Discard cards from the top of the encounter deck until a side quest is discarded. Reveal that side quest and add it to the staging area, if able.
Your wounded companions only slow your progress. With Trolls on your heels and foul weather overhead, you press onward.
Each damaged character gets -2 
unless there is an active location with the safe keyword.
If the players defeat this stage, they have escaped the Ettenmoors with their lives, and win the game.
2
3
6
Savage Trollspawn gets +1 for each damaged character the engaged player controls.
Shadow: Attacking enemy gets +1 for each damaged character the defending player controls.
5
4
7
Forced: After Coldfell Giant engages you, deal 1 damage to 3 different characters you control.
Shadow: If the defending character has at least 1 damage token on it, attacking enemy makes an additional attack after this one.
6
2
9
For each excess point of combat damage dealt by Cruel Mountain-troll (damage that is dealt beyond the remaining hit points of the character damaged by its attack) you must remove 1 progress from each quest card in play.
Trolls were abroad, no longer dull–witted, but cunning...
–The Fellowship of the Ring
4
1
12
Ruthless Hill-troll gets +2 and +2 while it has 3 or more damage on it.
Shadow: Shuffle 1 location with the safe keyword (but not its attached encounter) back into the encounter deck.
2
2
3
Damaged characters cannot be declared as attackers or defenders against Goblin Pursuer.
Shadow: Attacking enemy gets +1 (+3 instead if this attack is undefended).
While Troll-fells is the active location, Weather cards gain doomed 1.
When Revealed: If Troll-fells is not revealed guarding a safe location, search the encounter deck and discard pile for a location with the safe keyword and attach it to Troll-fells, guarded. Shuffle the encounter deck.
While Barren Moorland is in the staging area, it gains:
Forced: When an ally enters play, you must either exhaust it or deal 1 damage to it.
Travel: Deal 1 damage to each exhausted character.
When Revealed: Starting with the first player, each player must either engage an enemy in the staging area with a higher engagement cost than his threat, or search the encounter deck and discard pile for a Troll or Giant enemy and add it to the staging area. Deal each enemy that engages a player through this effect 2 shadow cards.
When Revealed: Attach to an exhausted hero, or a ready hero is there are no exhausted heroes. Counts as a Condition attachment with the text:
Limit 1 per hero. Attached hero cannot ready and does not collect resources during the resource phase. Discard No Rest if the players travel to a safe location.
Forced: At the end of the quest phase, if no progress was placed on Lie Low this round, each enemy gets -20 engagement cost until the end of the round.
Response: After this stage is defeated, choose an enemy in the staging area and shuffle it into the encounter deck.
Trolls and Giants have been pursuing you since your arrival in these moors. Your company must cover their tracks so the vile creatures do not follow.
Forced: After 1 or more resources are spent from a hero's resource pool, deal 1 damage to that hero.
Response: After this stage is defeated, heal 1 damage from each hero.
What little rations you managed to recover after your imprisonment have run dry. If the Trolls or the cold doesn't kill you, starvation surely will. There must be some food to find in these barren hills.
The cost to play each player card is increased by 1.
Forced: When this stage is defeated, search the encounter deck and discard pile for a Troll enemy and put it into play engaged with the player with the highest threat. Each player may play a card from his hand, at no cost.
You risk drawing the attention of nearby Trolls by venturing into their lair. Perhaps inside you can find supplies to help you get back to Rivendell...
You are playing Nightmare mode.
Forced: When resolving the 'when revealed' effect on stage 2A or stage 3A, also discard cards from the top of the encounter deck until a location with the safe keyword is discarded. Attach that location to the newly revealed side quest, as a guarded objective.
"I reached here at last by a long hard road, up the Hoarwell and through the Ettenmoors, and down from the north. It took me nearly fourteen days from Weathertop, for I could not ride among the rocks of the troll–fells, and Shadowfax departed."
–Gandalf, The Fellowship of the Ring
Begin with the standard quest deck and encounter deck for the Across the Ettenmoors scenario.
Remove the following cards, in the specified quantities, from the standard encounter deck:
1x Into the Ettenmoors
2x Shrouded Hills
3x No Rest
2x Arador's Bane
1x Troll-fells
2x Goblin Pursuer
2x Cold from Angmar
Then, shuffle the encounter cards in this Nightmare Deck into the remainder of the standard Across the Ettenmoors 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.
Setup: Set aside each side quest and each location with the safe keyword. Reveal 1 of those side quests and 1 of those safe locations at random, adding them to the staging area with the safe location guarded by the side quest. Shuffle the remaining side quests and safe location into the encounter deck. Discard cards from the top of the encounter deck until X enemies are discarded, where X is the number of players in the game. Add the discarded enemies to the staging area. The first player gains control of Amarthiúl.
You have escaped from the prisons of Mount Gram, but you are not safe yet.
Forced: At the beginning of the quest phase, if there are no encounter side quests in play, discard cards from the top of the encounter deck until a side quest is discarded, reveal it, and add it to the staging area.
4
3
5
1 
As an additional cost to travel to a safe location, one player must engaged Hoarwell River Serpent.
Forced: When you engage Hoarwell River Serpent, deal 1 damage to each damaged character you control.
7
2
14
9
You cannot travel to a safe location while Scavenging Stone-troll has no damage on it.
While Scavenging Stone-troll is in the staging area, cards in each player's discard pule cannot leave that discard pile.
3
3
3
5
While Giant Beetle is engaged with a player, it gains: "As an additional cost to travel to a safe location, Giant Beetle makes an immediate attack against the engaged player."
Damaged characters cannot be declared as attackers or defenders against Giant Beetle.
When face with the otpion to travel, the players must travel to Rocky Foothills, if able.
Rocky Foothills gets +2 quest points for each quest in play.
Shadow: Attacking enemy gets +1 for each damage on the defending character.
As an additional cost to travel to a safe location, each player must spend 1 resource.
Heroes cannot gain resources by card effects.
Shadow: If no progress was placed on a side quest this round, attacking enemy gets +4
When Revealed: Each player assigns X damage among characters he controls, where X is the number of quests in play. Exhaust each damaged character in play.
Shadow: Shuffle each Weather cards from the encounter discard pile into the encounter deck.
Caught in a dense fog, you suddenly find yourself separated from your companions.
Surge. Players cannot draw cards by card effects.
Forced: When this stage is defeated, each player draws 1 card.
When Revealed: Each player places the lowest-threat-cost hero he controls facedown underneath Rescue from the Trolls, out of play.
Response: After a Troll enemy is destroyed, place 3 progress on Rescue from the Trolls.
Forced: When Rescue from the Trolls is defeated, each player takes control of each of his heroes underneath it.