Dungeon Cell gets +X where X is the printed
of the attached objective.
While Dungeon Cell is in the staging area, it gains:"Forced: After an ally is destroyed, attach it to Dungeon Cell if there is no objective attached to Dungeon Cell."
While Uruk Guardroom is in the staging area, increase the cost to play each ally by 1.
Travel: Shuffle the encounter discard pile into the encounter deck and discard cards until an Orc enemy is discarded. Add that enemy to the staging area.
While Mines of Cirith Gurat is in the staging area, it gains:"Forced: When a player card would reduce a player's threat by any amount, reduce that amount to 1."
Travel: Each player discards the top 3 cards of his deck and raises his threat by 1 for each ally he discards this way.
When Revealed: The first player discards cards from the top of his deck until he discards an ally. Attach that ally to Torture Room and discard each other copy of that ally from play.
While Torture Room is guarding an objective, it gains:"Forced: At the end of the round, raise each player's threat by 1."
X is the highest number of characters controlled by a single player.
Forced: After Desolate Land becomes the active location, choose 1 random card from the set aside encounter set with the most cards remaining. Reveal that card as if it was part of the encounter deck.
Forced: After Harondor Waste becomes the active location, choose 1 random card from the set aside encounter set with the most cards remaining and place it in the encounter discard pile. Then, shuffle the encounter discard pile into the encounter deck.
Shadow: Return the attacking enemy to the staging area after this attack.
While Foothills of Mordor is in the staging area, 'when revealed' effects cannot be canceled.
Forced: After Foothills of Mordor becomes the active location, raise each player's threat by 2.
...there lay dark thickets, and a tumbled land of rocky ghylls and crags, behind which the long grim slopes of the Ephel Dúath clambered up.
–The Return of the King
While any player has threat of 35 or higher, Shadowy Vale gets +3
Forced: After Shadowy Vale becomes the active location, reveal the top card of the encounter deck.
...nothing could waft away the glooms and the sad mists that clung about the Mountains of Shadow...
–The Return of the King
Forced: When Wooded Riverbank is explored, put the top card of the Evil Creatures deck into play engaged with the first player.
Shadow: Deal 1 damage to the defending character.
X is the number of characters controlled by the player with the most characters.
Quest Action: Exhaust a character to reduce Hills of Wilderland by 1 until the end of the phase. Only the first player can trigger this effect.
Lonely Lands gets +2 for each facedown card under it.
While Lonely Lands is in the staging area, it gains:"Forced: After an event is played during the quest phase, place it facedown under Lonely Lands."
Twilight Hall gets +2 for each resource on it.
Forced: After a Forest location is explored, place 1 resource here.
Travel: Raise each player's threat by 1 for each resource here. If there are no resources on Twilight Hall, the players cannot travel here.
While Accursed Forest is in the staging area, "when revealed" effects cannot be canceled.
Travel: Reveal the top card of the encounter deck.
There was a breath of air and a noise of wind, but it had a sad sound.
–The Hobbit
While Dark Black Woods is in the staging area, no more than 1 progress can be placed on each Forest location in the staging area each round.
Travel: Each player discards the top card of the encounter deck. Add each enemy discarded this way to the staging area.
While Iron Hills Mine is the active location, it gains:"Response: When Iron Hills Mine is explored, each player may return 1 card from his discard pile to his hand."
Travel: Each player discards the top 4 cards of his deck to travel here.
Contested Depths gets +1 for each location in the victory display.
Forced: After the players travel to Contested Depths, either raise each player's threat by 1 for each location in the victory display, or discard Contested Depths and replace it with the top card of the Caves deck.
When faced with the option to travel, the players must travel to Deep Chasm if there is no active location.
The chasm was long and dark, and filled with the noise of wind and rushing water and echoing stone.
–The Fellowship of the Ring
While Dark Tunnel is in the staging area, progress cannot be placed on Dark locations in the staging area.
The tunnel seemed to have no end. All he knew was that it was going down pretty steadily...
–The Hobbit
Response: When you travel to Forked Passage (before resolving the deep keyword), raise each player's threat by 2 to look at the top 2 cards of the Caves deck. Put 1 on top of the Caves deck and put the other on the bottom. Then, add Forked Passage to the victory display.
Response: After Lost Armory becomes the active location, each player may search his deck for a Weapon or Armor attachment, add it to his hand, and shuffle his deck. Limit once per game for the group.
Behind him where the walls were nearest could dimly be seen coats of mail, helms and axes, swords and spears hanging...
–The Hobbit
Response: After Ancient Treasury becomes the active location, each player may (choose one): reduce his threat by 3, draw 2 cards, or add 1 resource to a hero's resource pool. Limit once per game for the group.
...there in rows stood great jars and vessels filled with a wealth that could not be guessed.
–The Hobbit
Forced: After Frightful Den becomes the active location, shuffle the encounter discard pile into the encounter deck and discard cards from the top until X enemies are discarded, where X is the number of players. Add each enemy discarded this way to the staging area.
Forced: After the players commit characters to the quest, discard cards from the encounter deck until a treachery is discarded. Resolve the `when revealed' effect on that treachery.
He did not go much further, but sat down on the cold floor and gave himself up to complete miserableness...
–The Hobbit
Forced: After Crumbling Cavern becomes the active location, each player assigns X damage among characters he controls, where X is the number of characters he controls.
...he was slipping – beginning to fall down, down, goodness knows where to.
–The Hobbit
X is the number of characters controlled by the player who controls the most characters.
Forced: After an ally enters player, exhaust it.
...without warning he trotted splash into water! Ugh! it was icy cold. That pulled him up sharp and short.
–The Hobbit
While Mountain Pass is in the staging area, the 'when revealed' effects of Weather treachery cards cannot be canceled.
"We may well be seen by watchers on that narrow path, and waylaid by some evil; but the weather may prove a more deadly enemy than any."
–Gandalf, The Fellowship of the Ring
Progress cannot be placed on Dwarven Door while it is in the staging area.
"Dwarf–doors are not made to be seen when shut."
–Gimli, The Fellowship of the Ring
Cave Entrance gets +1 for each Dragon Sign in the victory display.
Travel: Raise each player's threat by 1.
That, of course, is the dangerous part about caves: you don't know how far they go back, sometimes, or where a passage behind may lead to, or what is waiting for you inside.
–The Hobbit
Response: After the players travel to Creature Den, search the Caves deck for a Dragon Sign and attach it to Creature Den as a guarded objective. Shuffle the Caves deck.
Travel: Shuffle the encounter discard pile into the encounter deck and discard cards from the top until an enemy is discarded. Add that enemy to the staging area.
X is the number of locations in the staging area.
Travel: Assign X damage among characters in play.
The roar of the great falls drew nearer.
–The Fellowship of the Ring
Forced: After Grey Moorland becomes the active location, shuffle the encounter discard pile into the encounter deck and discard cards from it until a treachery is discarded. Resolve the 'When Revealed' effect on that treachery.
Shadow: Return attacking enemy to the staging area after this attack.
While Deep Ravine is in the staging area, no more than 1 progress can be placed on locations in the staging area each round.
Travel: The first player must either exhaust Urdug, or raise each player's threat by 2 to travel here.
Response: After the players travel to Slopes of Ered Mithrin, the first player may ready a character he controls.
Shadow: If the first player controls Urdug, exhaust him.
While Town Gate is in the staging area, it gains:"Forced: At the end of the quest phase, place 1 resource here. Then, if there are 3 resources here, discard Town Gate and deal 4 damage to Hrogar's Hill."
Travel: Dagnir makes an immediate attack against the first player.
While Wooden Palisade is the active location, Dagnir gets -2
Travel: The first player readies a hero he controls.
"Within there rise the roofs of houses; and in the midst, set upon a green terrace, there stands aloft a great hall of Men."
–Legolas, The Two Towers
X is 1 more than the number of side quests in the victory display.
Travel: Each player assigns X damage among characters he controls.
Immune to player card effects.
Forced: After Forgotten Crypt becomes the active location, discard cards from the top of the encounter deck until an Undead enemy is discarded and add it to the staging area. Then, attach a Loot objective in the encounter discard pile to that enemy as a guarded objective.
While Haunted Hall is in the staging area, it gains,"Forced: After a player places any amount of progress on a Dark location in the staging area, he raises his threat by 1."
Nothing assailed the company nor withstood their passage, and yet steadily fear grew...
-The Return of the King
X is the tens digit of the first player's threat.
Forced: After resolving the Discover keyword on Hidden Staircase, reduce each player's threat by X is no Hazard cards were revealed by it.
While Moonlit Passage is in the staging area, each player's threat cannot be reduced by more than 1 via player card effects each round.
Shadow: Raise your threat by 1.
While Cursed Tower is in the staging area, it gains:"Forced: After a player plays an event, raise his threat by 1."
Shadow: Discard a non-objective attachment you control.
Dagnir gets -10 engagement cost.
Shadow: If attacking enemy is Dagnir, the defending player must assign X damage among characters he controls, where X is 1 more than the number of quest cards in the victory display.
When faced with the option to travel, the players must travel to Narrow Stair.
Shadow: Until the end of the round, defending character cannot be readied by player card effects.
Deep. While there are 3 or more quest cards in the victory display, Desecrated Ruins gets +2 .
Shadow: Attacking enemy gets +1 . If this attack destroys a character, each player discards a random card from his hand.
While Hilltop Battlements is in the staging area, each non-unique enemy gets -5 engagement cost.
Forced: When Hilltop Battlements is explored, discard the top X cards of the encounter deck, where X is the number of players in the game. Add each enemy discarded by this effect to the staging area.
While Dwarven Watchtower is the active location, each hero gets +1 
Response: After Dwarven Watchtower is explored, the first player chooses: either place 1 resource on The Heroes' Defense, or remove 1 progress from The Goblins' Assault.
When Revealed: Either place 1 progress on The Goblins' Assault, or reveal an additional encounter card.
Shadow: Attacking enemy cannot take damage this phase.
While River Running is in the staging area, enemies cannot be optionally engaged.
Travel: The first player engages the highest engagement cost enemy in the staging area.
...below them were trees that looked like oaks and elms, and wide grass lands, and a river running through it all.
–The Hobbit
While Exposed Riverbank is in the staging area, it gains:"Forced: After a 'when revealed' effect is canceled, place 1 resource on Easterling Pursuit."
Travel: Place 1 resource on Easterling Pursuit.
When Revealed: Each copy of Rolling Plains gets +2 until the end of the phase.
Travel: Raise each player's threat by 2.
The falling stream vanished into a deep growth of cresses and water–plants, and they could hear it tinkling away in green tunnels, down long gentle slopes...
–The Two Towers