You are playing Nightmare mode.
Forced; At the end of the combat phase, if Alcaron's Scroll is in the staging area, attach it to the enemy in play with the highest
Forced: At the beginning of the refresh phase, if Alcaron's Scroll is attached to an enemy, place 1 progress token on that enemy.
If at any point there are 3 or more progress tokens on any enemy, that enemy has escaped with the scroll, and the players lose the game.
Begin with the standard quest deck and encounter deck for the Peril in Pelargir scenario.
Remove the following cards, in the specified quantities, from the standard encounter deck:
4x Collateral Damage
2x Harbor Storehouse
3x Pickpocket
1x Harbor Thug
Then, shuffle the encounter cards in this Nightmare Deck into the remainder of the standard Peril in Pelargir encounter deck.
Finally, flip this setup card over and place it next to the quest deck. Its effects remain active throughout the game, which is now ready to begin.
You are playing Nightmare mode.
Setup: Set both copies of Mûmak Elite aside, out of play.
Forced: When quest stages 2A or 4A are revealed, add 1 of the previously set aside copies of Mûmak Elite to the staging area.
For a moment he caught a glimpse of swarthy maen in red running down the slope some way off with green–clad warriors leaping after them, hewing them down as they fled. Arrows were thick in the air. –The Two Towers
Begin with the standard quest deck and encounter deck for the Into Ithilien scenario.
Remove the following cards, in the specified quantities, from the standard encounter deck:
1x Blocking Wargs
2x Watcher in the Wood
3x Secluded Glade
3x Forest Bat
3x Southon Mercenaries
1x Overgrown Trail
Then, shuffle the encounter cards in this Nightmare Deck into the remainder of the standard Into Ithilien encounter deck.
Finally, flip this setup card over and place it next to the quest deck. Its effects remain active throughout the game, which is now ready to begin.
You are playing Nightmare mode.
Until the end of the game, player cards in the victory display do not contribute their victory points.
"Much must be risked in war," said Denethor. "Cair Andros is manned and no more can be sent so far." –The Return of the King
Begin with the standard quest deck and encounter deck for The Siege of Cair Andros scenario.
Remove the following cards, in the specified quantities, from the standard encounter deck:
3x Southron Mercenaries
2x Orc Arsonists
2x Orc Rabble
3x Orc Arbalesters
1x The Power of Mordor
2x Scourge of Mordor
Then, shuffle the encounter cards in this Nightmare Deck into the remainder of the standard The Siege of Cair Andros encounter deck.
Finally, flip this setup card over and place it next to the quest deck. Its effects remain active throughout the game, which is now ready to begin.
2
1
3
5 
While Alcaron's Scroll is attached to a hero, Cunning Informant gets +3
During the encounter phase, if Alcaron's Scroll is attached to a hero, that hero's controller is considered to have +10 threat for the purpose of engagement checks.
7
5
12
5
Cannot have attachments. Archery X.
X is the number of players in the game.
Mûmak Elite cannot take more than 3 damage each round.
4
2
4
5
Damage from each round's achery total may be assigned to Battleground locations, as well as characters.
4
4
5
5
When Revealed: If Alcaron's Scroll is attached to an enemy, detach it from that enemy and attach it to Harbor Brute. Move all progress tokens from that enemy to Harbor Brute.
2
2
5
5
While the current quest has battle, Haradrim Marksman gets +2 and gains archery 2.
While the current quest has siege, Haradrim Marksman gets +2 and allies cannot be declared as defenders against its attacks.
5
2
5
5
Damage dealt by Orc Saboteur's attacks must be dealt to a Battleground location in play, if able.
Shadow: If this attack destroys a character, deal 2 damage to a Battleground location in play.
3
3
4
6
Forced: When Pelargir Ringleader engages a player, return the topmost Brigand enemy in the encounter discard pile to play, engaged with that player.
Shadow: Attacking enemy gets +2
4
3
6
6
Each Harad enemy in the staging area gains archery 1.
Each engaged Harad enemy gets +1
Shadow: Attacking enemy gets +1 (+3 instead if it has the Harad trait).
3
1
4
6
Forced: When Orc Ravager is dealt a shadow card, it gets +2 until the end of the phase.
Shadow: Exhaust a character you control. Deal attacking enemy another shadow card.
While Dockside Street is in the staging area, enemies in the staging area cannot be damaged or optionally engaged.
Travel: Exhaust the hero with Alcaron's Scroll attached to travel here.
When assigning archery damage to a character, you must continue assigning archery damage to that character until that character is destroyed or there is no more archery damage to assign.
If Besieged Courtyard has 5 or more damage, discard it and exhaust each ready character.
Shadow: Choose one: either attacking enemy makes an additional attack after this one, or deal 10 damage to a Battleground location.
While Alcaron's Scroll is not attached to a hero, Pelargir Alley gets +3
Shadow: If the defending player controls a hero with Alcaron's Scroll attached, attach Alcaron's Scroll to the attacking enemy.
While Dense Thickets is in the staging area, each Forest location in play gets +1
Shadow: Excess damage dealt by this attack (damage that is dealt beyond the remaining hit points of the character damaged by this attack) must be assigned to a Ranger objective in play.
If Walls of Cair Andros has 4 or more damage, discard it and each player must assign 4 damage amoung characters he controls.
Shadow: Attacking enemy gets +X, where X is the amount of damage on the active location.
When Revealed: Each player must either remove a hero he controls from the quest or engage an enemy in the staging area. Each enemy engaged by this effect makes an immediate attack.
Shadow: Attacking enemy gets +2
While the current quest has battle, Cormallen Fields gets +2
While the current quest has siege, when faced with the option to travel, the players must travel to Cormallen Fields, if able.
If Anduin Wharf has 6 or more damage, discard it and reveal 2 cards from the top of the encounter deck.
While Anduin Wharf is the active location, allies cost 1 additional matching resource to play from hand.
When Revealed: If Alcaron's Scroll is attached to a hero, choose an enemy engaged with that hero's controller, if able. Attached Alcaron's Scroll to that enemy, then add 1 progress to that enemy.
When Revealed: The current quest gains archery 2 until the end of the round. Then, assign all archery damage to characters in play as if it were the beginning of the combat phase.
Shadow: Attacking enemy gets +X X is that enemy's archery value.
When Revealed: Deal 2 shadow cards to each enemy in play. Deal 2 damage to each Battleground location in play.
Shadow: Discard an attachment you control.
When Revealed: If Alcaron's Scroll is attached to an enemy, choose one: either add 1 progress token to that enemy, or each card in the staging area gets +2 until the end of the phase.
When Revealed: If the current quest has a keyword, until the end of the round, switch that keyword from battle to siege, or siege to battle, if able. If the current quest does not have a keyword, Savage Fray gains surge.