While Troll Lair is in the staging area, players cannot reduce their threat.
Shadow: If attacking enemy is a Troll remove 4 damage tokens from it.
Forced: After any amount of progress is placed on Hives and Hives, deal 1 damage to each character in play.
Shadow: Attacking enemy gets +2 
There was a buzzing and a whirring and a droning in the air. Bees were busy everywhere. And such bees! Bilbo had never seen anything like them. –The Hobbit
When Revealed: The first player chooses a hero in any player's discard pile and removes that hero from the game. Then, heal all damage from each Troll enemy in play. If no damage is removed from any Troll enemy as a result of this effect, Time for Supper gains surge.
In the end they decided to mince them fine and boil them. So they got a black pot, and they took out their knives. –The Hobbit
Just as you think the fight is over, you find tracks that lead you to what appears to be the leader of this group of Trolls. You can see Grimbeorn the Old, captured and ready to be cooked. It's up to you to save him!
When Revealed: Add Rob and Bob to the staging area. Then, each player must search the encounter deck and discard pile for a non-unique Troll enemy and add it to the staging area, if able. Shuffle the encounter deck.
A nice pickle they were all in now. –The Hobbit
When Rob and Bob have been defeated, the players have rescued Grimbeon the Old from certain death, and won the game.
You are playing Nightmare mode.
Setup: Search the encounter deck for 1 copy of Goblin Eagle-hunter and add it to the staging area. Then shuffle the encounter deck.
Forced: The first Creature enemy revealed during each quest phase gains surge.
Response: After an Athelas card is placed in the discard pile, you may shuffle it into the encounter deck.
Begin with the standard quest deck and encounter deck for A Journey to Rhosgobel scenario.
Remove the following cards, in the specified quantities, from the standard encounter deck:
4x Forest Grove
1x Exhaustion
2x Swarming Insects
1x Festering Wounds
3x Mountains of Mirkwood
1x Chieftan Ufthak
2x Dol Guldur Beastmaster
1x Driven by Shadow
1x The Necromancer's Reach
2x Necromancer's Pass
2x Enchanted Stream
Then, shuffle the encounter cards in this Nightmare Deck into the remainder of the standard A Journey to Rhosgobel 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.
5
3
4
9
Goblin Eagle-hunter gets +1 hit point per player.
Forced: At the end of the combat phase, deal 1 damage to Wilyador
Shadow: If Wilyador has 10 or less damage on him, deal 2 damage to Wilyador.
4
3
5
7
While Treetop Bird-eater is engaged with a player, characters controlled by that player cannot be healed.
Forced: At the beginning of the encounter phase, Treetop Bird-eater engages the player who controls Wilyador (regardless of threat).
Dark-wood Grove gets +1 and +1 quest point for each Athelas card in play.
Shadow: If defending player controls at least 1 Athelas card, attacking enemy makes an additional attack after this one.
While Labyrinthine Woods is in the staging area, Creature enemies get +1 and +1
Shadow: After this attack, attacking enemy engages the next player and makes an immediate attack.
While Pitch-dark Thicket is the active location, all characters lose the ranged keyword.
Shadow: Attacking enemy cannot be attacked by characters with the ranged keyword until the end of the phase.
...so black that you really could see nothing. –The Hobbit
You are playing in Nightmare mode.
No more than 1 progress can be placed on each location in the staging area each round.
Over them was a lane of pale–blue sky, around them the dark overshadowed River, and before them black, shutting out the sun, the hills of Emyn Muil, in which no opening could be seen.
–The Fellowship of the Ring
Begin with the standard quest deck and encounter deck for The Hills of Emyn Muil scenario.
Remove the following cards, in the specified quantities, from the standard encounter deck:
1x The East Wall of Rohan
1x The North Stair
2x The Shores of Nen Hithoel
4x The Highlands
2x Slick Footing
2x Impassable Chasm
2x Dol Guldur Orcs
1x Chieftan Ufthak
2x Dol Guldur Beastmaster
2x The Necromancer's Reach
2x Necromancer's Pass
2x Enchanted Stream
3x Evil Storm
2x Pursued by Shadow
Then, shuffle the encounter cards in this Nightmare Deck into the remainder of the standard The Hills of Emyn Muil 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.
6
4
10
9
Forced: After the players travel to a location, Tunneling Nameless Thing engages the first player.
If there is no active location, return Tunneling Nameless Thing to the staging area.
2
3
5
7
Orc Interceptor gets +1 and +1 for each resource token on it.
Forced: After a location leaves play as an explored location, place a resource token on Orc Interceptor.
Forced: After a character commits to the quest, deal 1 damage to that character if it has not been dealt damage by another copy of Brambles and Thorns this round.
..and on both shores there were steep slopes buried in deep brakes of thorn and sloe, tangled with brambles and creepers. –The Fellowship of the Ring
While Sarn Gebir Rapids is the active location, the "when revealed" effects of Hazard cards cannot be canceled.
"What a horrible place! Just let me get out of this boat, and I'll never wet my toes in a puddle again, let alone a river!"
–Sam Gamgee, The Fellowship of the Ring
When Revealed: Each player must either increase his threat by 5, or reveal an additional encounter card from the encounter deck and add it to the staging area.
Shadow: Attacking enemy gets +X X is the of the active location.
When Revealed: Discard a random Emyn Muil location from the victory display.
...they had climbed and laboured among the barren slopes and stones of Emyn Muil, sometimes retracing their steps because they could find no way forward...
–The Two Towers
You are playing Nightmare mode.
Players cannot reduce their threat.
Setup: Search the encounter deck for The Mere of Dead Faces, and add it to the stage area. Then, shuffle the encounter deck.
Forced: After Gollum is placed in the discard pile, shuffle him into the encounter deck.
"They lie in all the pools, pale faces, deep deep under the dark water." –Frodo, The Two Towers
Begin with the standard quest deck and encounter deck for The Dead Marshes scenario.
Remove the following cards, in the specified quantities, from the standard encounter deck:
1x A Wisp of Pale Sheen
1x Through the Mist
2x Great Marsh Worm
4x Fens and Mires
3x Eastern Crows
2x Pursued by Shadow
2x Treacherous Fog
1x Wolf Rider
2x Hill Troll
2x Goblin Sniper
2x Wargs
2x Despair
2x The Brown Lands
2x The East Bight
Then, shuffle the encounter cards in this Nightmare Deck into the remainder of the standard The Dead Marshes 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.
X is the number of resource tokens here. Cannot leave the staging area.
If Gollum is not in play, any resource tokens that would be placed on Gollum are placed here instead.
Forced: After Gollum enters play, place 2 resource tokens on Gollum then move all resource tokens from The Mere of Dead Faces to Gollum.
While Stagnant Quagmire is in play, it adds its Escape value to all escape tests.
Escape: 2
Shadow: Perform an escape test, dealing 1 card the encounter deck. If this test is failed, discard the defending character.
4
2
8
9
Forced: After a character commit to an escape test, deal 1 damage to that character.
Shadow: Attacking enemy gets +1 (+2 instead if attacking enemy is Undead.)
3
2
5
7
Forced: After Marsh-wight engages a player, that player makes an escape test, dealing 3 cards from the encounter deck. If this test is failed, place 2 resources on Gollum and Marsh-wigth makes an immediate attack.
"But all foul, all rotting, all dead. A fell light is in them." –Frodo, The Two Towers
5
2
3
6
Forced: After Lost Soul of L≤rien is destroyed, attach it to a hero with 1 or more Willpower, if able. (Counts as a Condition attachment with the text: "Limit 1 per hero. Attached hero's Willpower is reduced to 0.")
"Many faces proud and fair, and weeds in their silver hair."
-Frodo, The Two Towers
2
3
7
3
While Ill-fated Guard is engaged with a player, that player cannot commit more than 1 character to each escape test.
Shadow: Discard all attachments from each character you control with 3 or more
When Revealed: Each player makes an escape test, dealing 1 card from the encounter deck. Each player who fails this test must either discard a hero from play or raise his threat by 5.
Escape: 5
"You should not look in when the candles are lit." –Gollum, The Two Towers
When Revealed: The first player makes an escape test counting intead of dealing 2 cards from the encounter deck. If this test is failed, place 1 resource token on Gollum and deal 1 damage to each character in play.
Escape: 3
When Revealed: Return the top X Undead enemies in the encounter discard pile to the staging area, where X is the number of players. If no enemies were returned to the staging area as a result of this effect, Devilry of the Dark Land gains surge.
Escape: 10
'But that is an age and more ago,' said Sam. 'The Dead can't be really there!' –The Two Towers
You are playing Nightmare mode.
Forced: At the beginning of the quest phase, the player who is guarding Gollum must either exhaust a hero he controls or resolve the "when revealed" effect of the topmost Tantrum card in the encounter discard pile.
Forced: When Stage 4A is revealed, search the encounter deck and discard pile for 1 copy of Attercop, Attercop and add it to the staging area, if able. Shuffle the encounter deck.
Begin with the standard quest deck and encounter deck for the Return to Mirkwood scenario.
Remove the following cards, in the specified quantities, from the standard encounter deck:
3x Woodman's Glade
3x Wood Elf Path
3x Mountains of Mirkwood
2x Goblin Sniper
1x Marsh Adder
2x Wargs
2x Despair
2x The Brown Lands
2x The East Bight
Then, shuffle the encounter cards in this Nightmare Deck into the remainder of the standard Return to Mirkwood 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.
4
3
7
9
When Ambushing Orcs is dealt a shadow card that targets the player guarding Gollum that shadow card also targets each other player
"It was that very night of summer, yet moonless and starless, that Orcs came on us at unawares." –Legolas, The Fellowship of the Ring
4
2
4
7
Cannot be optionally engaged.
Forced: After the player guarding Gollum changes, Pursuing Warg-rider engages the player guarding Gollum and makes an immediate attack against that player.
3
2
5
9
When Revealed: The player guarding Gollum must either exhaust a hero he controls or Web-spinner gains surge.
Shadow: The player guarding Gollum must exhaust a character he controls.
Progress cannot be placed on Deceptive Path while it is in the staging area.
Forced: After Deceptive Path becomes the active location, shuffle the encounter discard pile into the encounter deck and discard cards from the top of the encounter deck until a location is discarded. Reveal that location and make it the active location. Then, discard Deceptive Path.
When Revealed: Reveal the topmost Spider enemy in the encounter discard pile and add it to the staging area.
Shadow: The player guarding Gollum must discard all resources from each of his heroes' resource pools.
When Revealed: Discard all attachments controlled by the player guarding Gollum. Then remove all cards in that player's discard pile from the game. If no attachments are discarded as a result of this effect, Befouled Equipment gains surge.
Shadow: Discard all attachments controlled by the player guarding Gollum.
When Revealed: The player guarding Gollum must either reveal the topmost Tantrum card in the encounter discard pile, or reveal 2 additional encounter cards from the encounter deck.
Shadow: Deal the topmost Tantrum card in the encounter discard pile as a new shadow card for this attack, if able.