Each Mordor enemy with at least 1 Clue card attached gets +2 
Shadow: Attacking enemy gets +1 for each Clue card in play until the end of the round.
Progress cannot be placed on Dark Pools while it is in the staging area.
Forced: After Dark Pools becomes the active location, each player must discard an ally with the highest printed cost among the allies he controls.
'And there in the dark pools amid the Gladden Fields,'he said, 'the Ring passed out of knowledge and legend...'
–The Fellowship of the Ring
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
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
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
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.
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.
X is the number of Dark locations in play.
When Revealed: Remove all progress from each Dark location in play.
Shadow: Attacking enemy gets +1 for each Dark location in play.
Each Dark location in play gets +2 quest points.
While Cave Torch is ready, progress cannot be placed on Narrow Fissure.
There were fissures and chasms in the walls...
–The Fellowship of the Ring
Immune to player card effects.
Each Goblin enemy with at least 1 resource on it is immune to player events.
Forced: When a Goblin enemy engages a player, add 2 resources to that enemy.
"Now, I fear, we must say farewell to Balin son of Fundin."
–Gandalf, The Fellowship of the Ring
Forced: When a Goblin enemy enters play, add 1 resource to that enemy if Deep-Mines is in the staging area.
Shadow: Attacking enemy gets +1 Then, if attacking enemy is a Goblin deal it another shadow card.
Each Goblin in play gets +1 for each resource on it. This ability does not stack with other copies of Western Hall
Away beyond the shadows at the western end of the hall there came cries and horn–calls.
–The Fellowship of the Ring
As an additional cost to bypass a quest card, each player must raise his threat by 2.
Shadow: If the defending character is a hero, discard all resources in its resource pool. Deal attacking enemy another shadow card for each resource discarded in this way.
X is the number of Snow cards in the staging area.
Travel: Search the encounter deck and discard pile for 1 copy of Freezing Cold and reveal it to travel here. Shuffle the encounter deck.
Shadow: Defending character gets -1
Deal the attacking enemy 1 additional shadow card.
While Frozen Silverlode is in the staging area, characters cannot gain from player card effects.
Shadow: Defending character gets -1 Deal the attacking enemy 1 additional shadow card.
"...and there the River Silverlode rises in its icy springs."
–Gandalf, The Fellowship of the Ring
Forced: When an engaged enemy with the ambush keyword engages a player, Treacherous Bluffs gets +2 until the end of the phase.
Shadow: Excess damage dealt by this attack must be assigned to Arwen Undómiel.
While Concealed Woods is the active location, the first enemy with the ambush keyword revealed from the encounter deck each round gains surge.
Shadow: Attacking enemy gets +2 if engaged with the first player.
While Banks of Sirannon is in the staging area, each Tentacle enemy gets +2
Shadow: For each point of damage dealt by this attack, the defending player must discard a random card from his hand.
Forced: After a player looks at one or more cards in the encounter deck, shuffle the encounter deck.
Travel: Reveal the topmost Tentacle enemy in the encounter discard pile to travel here.
Travel: The first player must make a locate test to travel here. If this test is failed, return Eastern Mines to the staging area and trigger all "Lost:" effects in play.
Shadow: Defending player must choose and trigger 1 "Lost:" effect in play.
For each point of progress that is placed on Bottomless Chasm, the players must choose and discard 1 card from a player's hand, if able
Shadow: If this attack destroys a character, the defending player discards all cards in his hand.
While Nest of Horrors is in the staging area, it gains:"Forced: When one or more cards are attached to a Nameless enemy from the top of a player's deck, attach an additional card from the top of that player's deck."
Travel: Each player at this stage discards the top card of the encounter deck to travel here. Reveal each Nameless enemy discarded by this effect.
While Shivering River is in the staging area, it contributes its to the total in each other player's staging area.
Shadow: Attacking enemy gets +1 (+3 instead if there is more than one player at this staging area.)
Progress cannot be placed on Fiery Depths while it is in the staging area.
Travel: Each player must move 1 damage from Durin's Bane to a hero to travel here.
Out of it a fierce red light came, and now and again flames licked at the brink and curled about the bases of the columns. –The Fellowship of the Ring
While Crumbling Stairs is in the staging area, event cards cost 1 additional matching resource to play from hand.
Shadow: If this attack destroys a character, the defending player must discard all event cards in his hand.
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.
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.
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.
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.
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 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.
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.
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.
Forced: At the end of the round, place 1 resource token on Traitors' Den. Then, if it has 4 or more resource tokens on it, remove all tokens from it and reveal at random one of the Plot cards removed from the game during setup. Add that card to the staging area.
While Rath Celerdain is in the staging area, it gains:"Forced: At the beginning of the encounter phase, reveal the top card of the underworld deck. If it is an objective, discard it."
"...go down to the lowest circle and ask for the Old Guesthouse in the Rath Celerdain, the Lampwrights' Street." –Beregond, The Return of the King
Travel: Reveal all facedown cards underneath Arched Tunnel, one at a time. Then, place the top card of the underworld deck facedown underneath Arched Tunnel, if able.
And each time that it passed the line of the Great Gate it went through an arched tunnel... –The Return of the King
Immune to player card effects.
While Devil's Mirk is in the staging area, characters cannot be healed.
While Devil's Mirk is the active location, each Wose enemy gets +2
Players cannot travel to Eilenach unless there is at least 1 resource in each hero's resource pool.
Shadow: If the defending character has no resources, deal it 1 damage.
...standing up from the long ridges of the Drúadan Forest... –The Return of the King
While Stonewain Valley is in the staging area, resources discarded or spent by the first player for any reason are placed on Stonewain Valley.
Stonewain Valley gets +1 for each resource on it.
"Way is wide for four horses in Stonewain Valley yonder," he waved his hand southwards: "but narrow at beginning and at end." –Ghân–buri–Ghân, The Return of the King
Forced: When any amount of progress is placed on a location in the staging area, discard 1 villager token from that location.
Travel: The first player searches the encounter deck for an enemy, reveals it, and puts it into play engaged with him. Shuffle the encounter deck.
While Overrun Village is in the staging area, it gains:"Forced: After an enemy engages a player, discard 1 villager token from Overrun Village."
Travel: Place 1 damage token on Dead Villagers.
Immune to player card effects. Palace Remains gets +1 for each resource token on it.
The players cannot travel here unless there are at least 5 resource tokens on Palace Remains.
While Palace Remains is in the staging area, it gains"Forced: After a player takes control of a location, place 1 resource token here."
Forced: When you take control of Crumbled Battlements, shuffle the encounter discard pile into the encounter deck and discard cards from the encounter deck until an enemy is discarded. Put the discarded enemy into play engaged with you.
"Here they come pouring through the breaches!" –Man of Gondor, The Return of the King
Forced: When you take control of Eastern Quarter, discard each event card in your hand.
While a player controls Eastern Quarter it gains:"Forced: After the 'when revealed' effect of a treachery is canceled, return Easter Quarter to the staging area."