Gate of Gondor
The Flame of the West#45 (x1)
5 (3)
Immune to player card effects.

While Gate of Gondor is the active location, each enemy in play gets -30 engagement cost.

Forced: When Gate of Gondor is explored, return each engaged enemy to the staging area. was the key, the weakest point in all that high and impenetrable wall. -The Return of the King