X is the number of players in the game. Immune to player card effects.
Travel: Remove 3 progress from the current quest to travel here.
If The Secret Chamber is placed underneath The Orcs’ Search, the players lose the game.
Forced: After Ruined Plaza enters the staging area, place 1 damage here.
Shadow: Defending player assigns X damage amoung characters he controls. X is the number of cards underneath The Orcs’ Search.
Scour: Return this location to the staging area and place 2 damage here.
Shadow: Excess damage from this attack must be placed on the active location, if able.
Scour: Assign X damage amoung locations in play. X is the number of locations in play. This ability does not stack with other copies of Ancient Foundation.
Travel: Place 1 damage on this location to travel here.
...deep they delved us, fair they wrought us, hight they builded us; but they are gone. –Legolas, The Fellowship of the Ring
Forced: After placing any amount of progress here, trigger the topmost Scour effect in the discard pile, if able.
Shadow: Attacking enemy gets +1 
If this attack destroys a character, raise each player's threat by 1 for each card underneath The Orcs’ Search.
Forced: After any amount of damage is placed on Bones of Hollin, raise each player's threat by that amount.
Travel: Place 2 damage on an Ost-in-Edhil location in play to travel here.
"...many Elves lived here in happier days, when Eregion was its name." –Gandalf, The Fellowship of the Ring
Dusty Labyrinth gets +1 for each damage on it.
Scour: Deal 2 damage to Dusty Labyrinth.
Travel: The first player must place a card from his hand facedown underneath The Orcs' Search to travel here.