Forced: While Gladden Fields is the active location, each player must raise his threat by an additional point during the refresh phase.
"On a time they took a boat and went down to the Gladden Fields, where there were great beds of iris and flowering reeds."
–Gandalf, The Fellowship of the Ring
Forced: After a player fails a Hide test, shuffle a Nazg没l enemy from the discard pile into the encounter deck, if able.
Shadow: Attacking enemy gets +1 
(+2 instead if the defending player failed a Hide test this round).
While Midgewater is the active location, enemies cannot attack, take damage, or be engaged.
Forced: After Midgewater becomes the active location, return each engaged enemy in play to the staging area.
...there was no permanent trail even for Rangers to find through their shifting quagmires.
–The Fellowship of the Ring
Forced: While Gladden Fields is the active location, each player must raise his threat by an additional point during the refresh phase.
"On a time they took a boat and went down to the Gladden Fields, where there were great beds of iris and flowering reeds."
–Gandalf, The Fellowship of the Ring
Forced: After a player fails a Hide test, shuffle a Nazg没l enemy from the discard pile into the encounter deck, if able.
Shadow: Attacking enemy gets +1 (+2 instead if the defending player failed a Hide test this round).
While Midgewater is the active location, enemies cannot attack, take damage, or be engaged.
Forced: After Midgewater becomes the active location, return each engaged enemy in play to the staging area.
...there was no permanent trail even for Rangers to find through their shifting quagmires.
–The Fellowship of the Ring
2
2
8
9 
If you are engaged with this enemy, you cannot attack or deal damage (through effects) to enemies with a title other than Marshland Outlaws.
Shadow: Raise your threat by X. X is the amount of damage dealt by this attack.
Action: Deal 1 damage to a hero you control to reduce Gladden Marshlands by 1 until the end of the phase. Any player may trigger this effect.
Shadow: Each enemy engaged with the defender player gets +1 until the end of the phase. (+2 instead if this attack is undefended.)
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