While Goblin Gate is the active location, the first enemy revealed from the encounter deck each round gains ambush. If that enemy engages a player, it makes an immediate attack (deal and resolve a shadow card).
A crack had opened at the back of the cave, and was already a wide passage.
–The Hobbit
When Revealed: Durin's Bane makes an immediate attack against the first player (deal and resolve a shadow card).
Shadow: If attacking enemy is Durin's Bane, it gets +3 
.
4
3
3
Forced: When Haradrim Elite enters play, it makes an immediate attack from the staging area against the first player.
Shadow: This enemy attacks again after this attack resolves. (Deal a new shadow card for that attack.)
4
3
6
Forced: After The Hand of Castamir attacks, reveal the top card of the encounter deck, resolve its effects, and discard it.
Forced: After a treachery card is revealed from the encounter deck, The Hand of Castamir makes an immediate attack against the first player.
3
2
7
Forced: When Telemnar’s Bane attacks, discard the top 3 cards of each player's deck.
Forced: After a player plays an event card, Telemnar’s Bane makes an immediate attack against the first player.
5
3
6
When Revealed: Southron Commander makes an immediate attack from the staging area against each player who controls at least 1 location.
"...the Southrons were bold men and grim..."
–The Return of the King
2
1
4
Forced: After the engaged player draws any number of cards. Dunland Berserker makes an immediate attack.
Shadow: Attacking enemy makes an additional attack after this one.
5
3
12
5
3
5
Forced: After Prowling Orc attacks, place 1 damage on the active location.
Scour: Prowling Orc engages the player with the highest threat and makes an immediate attack.
"Garn! You don't even know what you're looking for." –Orc, The Return of the King
When Revealed: If the total 
of characters committed to the quest is greater than the total in the staging area, each enemy in the staging area makes an immediate attack against the first player. If no attach is made this way, search the encounter deck and discard pile for an Orc War Party and add it to the staging area. Shuffle the encounter deck. This effect cannot be canceled.
2
1
2
Forced: After Cornered Orc engages a player, it makes an immediate attack.
Shadow: Attacking enemy gets +1 (+2 instead if the defending character is damaged).
6
4
9
Cannot have attachments.
Forced: After a treachery card with the Sorcery trait is revealed from the encounter deck, Thaurdir makes an immediate attack against the first player.
4
2
5
While Blood-thirsty Warg is in the staging area, it gains:
Forced: When it becomes Night, Blood-thirsty Warg engages the first player and makes an immediate attack.
The wold snarled and sprang towards them with a great leap.
–The Fellowship of the Ring
5
3
8
Forced: After 1 or more captured cards are rescued, Jailor Gornákh engages the player with the highest threat and makes an immediate attack.
"Come on now! We've talked enough. Let's go and have a look at the prisoner!"
–Shagrat, The Two Towers
6
4
9
Indestructible. Cannot have attachments.
Forced: After a treachery card with the Sorcery trait is revealed from the encounter deck, Thaurdir heals 3 damage and makes an immediate attack against the first player.
6
4
9
Indestructible. Cannot have attachments.
Each other enemy gets -10 engagement cost.
Forced: After Thaurdir is flipped or a treachery with the Sorcery trait is revealed, Thaurdir heals 3 damage and makes an immediate attack against the first player.
5
4
6
Forced: After an event card is played, deal 1 shadow card to Werewolf of Angmar.
Forced: If there are 3 shadow cards dealt to Werewolf of Angmar and it is in the staging area, it engages the first player and makes an immediate attack (do not deal it a shadow card for this attack).
3
3
4
Forced: When the Stormcaller advances to the next quest stage, Serpent’s Blade makes an immediate attack against the engaged player.
3
1
5
Surge. Grapple ( highest printed quest points ).
Forced: After Crushing Arm is detached from a location, it makes an immediate attack against the first player.
2
3
3
Forced: When you travel to the riight, Profane Dead makes an immediate attack against the engaged player.
Shadow: Attacking enemy gets +3 if the players control the Gate Key.
When Revealed: If you are off-course (Cloudy, Rainy, or Stormy), the engaged Ship enemy with the highest makes an immediate attack. Until the end of the phase, add 1 to the total in the staging area for each damage dealt by this attack. If no attack is made as a result of this effect, Ramming Speed! gains doomed 2.
X
X
5
X is the tens digit of the temperature.
Forced: After Were-worm engages you, it makes an immediate attack. (Do not deal it a shadow card.)
Shadow: Attacking enemy gets +1 (+2 instead if the temperature is 40 or higher).
3
2
5
Forced: After Southron Soldier engages you, either remove 2 progress tokens from the main quest, or Southron Soldier makes an immediate attack.
Shadow: Choose an enemy in the staging area. Engage it and deal it a shadow card.
6
3
9
Indestructible. Immune to player card effects.
Cannot take more tha 3 damage each round.
Forced: At the end of the round, the engaged player must choose: either return Wild Mûmak to the staging area, or it makes an immediate attack.
2
1
8
Cannot leave the staging area or take damage. X is the stage number of the main quest.
The Black Serpent gets +X +X and +X
Forced: At the end of the encounter phase, either remove X progress from the main quest, or The Black Serpent makes an immediate attack against the first player.
3
1
3
When Revealed: Dungeon Warg makes an immediate attack against the player who controls the most allies.
Shadow: Attacking enemy gets +1
4
2
5
When Revealed: Either place a random enemy from the set aside Mordor Orcs set into the encounter discard pile, or Uruk Prowler makes an immediate attack against the first player.
Shadow: Discard a random card from your hand.
Immune to player card effects.
The Old Ford gets +5 quest points for each enemy in play.
Forced: After The Old Ford becomes the active location, each enemy in the staging area makes an immediate attack against the first player.
4
3
5
Forced: After Ravenous Spider engages you, it makes an immediate attack.
Shadow: Attacking enemy makes an additional attack against you after this one.
7
X
17
Cannot have non-Dragon attachments.
X is 1 more than the number of players.
Forced: After the active location is explored, Fire-drake returns to the staging area and makes an immediate attack against each player in turn order.
When Revealed: The highest enemy in the staging area makes an immediate attack against the first player. If no attack is made this way, Denizen of the Deep gains surge.
Shadow: Attacking enemy makes an additional attack against you after this one.
4
1
5
When Revealed: The first player must choose: either Wilderland Bear makes an immediate attack against him, or each player discards 1 random card from his hand.
3
2
5
Indestructible. Immune to player card effects.
While Urdug is engaged with a player, he gains,"Forced: At the beginning of the quest phase, Urdug makes an immediate attack. If this attack deals damage, return Urdug and Tiny (if he is in play) to the staging area."
Dagnir's assault is relentless and the people of Hrogar's Hill need time to regroup. Someone mst draw the Dragon's attention away from the town.
Shadow cards dealt to Dagnir are immune to player card effects and their effects cannot be canceled.
Forced: After Draw Her Fire becomes the current quest, Dagnir makes an immediate attack against the first player.
3
3
4
Forced: After The Dragon's Thrall engages you, either deal 3 damage to Hrogar's Hill or it makes an immediate attack against you.
Shadow: If this attack destroys a character, deal 3 damage to Hrogar's Hill.
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.
When Revealed: Dagnir makes an immediate attack against the first player. Undefended damage from this attack must be dealt to Hrogar's Hill.
Shadow: Attacking enemy makes an additional attack against you after this one.
Immune to player card effects.
The players cannot travel to The Cursed Tomb unless they control 3 Loot objectives.
Forced: After the player travel to The Cursed Tomb, search the encounter deck and discard pile for Fram's Shade and add it to the staging area. Shuffle the encounter deck. Fram's Shade makes an immediate attack against each player in turn order.
Forced: When Dagnir's Hoard is explored, Dagnir returns to the staging area and makes an immediate attack against each player in turn order.
Response: After Dagnir's Hoard is explored, each player may search his deck for an Item attachment, add it to his hand, and shuffle his deck.
3
1
4
Forced: When Deep-dweller engages you, it makes an immediate attack.
Forced: After Deep-dweller take any amount of damage (and survives), return it to the staging area.
When Revealed: Dagnir makes an immediate attack against each engaged player. If no attacks were made this way, Dagnir gets -30 engagement cost until the end of the round.
Shadow: Attacking enemy makes an additional attack against you after this one.
When Revealed: Urdug makes an immediate attack against the first player. If this attack destroys a character, place 1 progress on The Goblins' Assault.
Shadow: Attacking enemy gets +1 If this attack destroys a character, place 1 progress on The Goblins' Assault.
2
1
2
Forced: After Easterling Outrider engages a player, either place 1 resource on Easterling Pursuit, or Easterling Outrider makes an immediate attack.
Shadow: Discard an attachment you control.