The Tower of Barad-dûr
A Shadow in the East#67 (x1)
Location
5 (-)
Mordor.  
Immune to player card effects.

The player cannot travel here.

Each player's threat elimination level is reduced by 5.

...wall upon wall, battlement upon battlement, black, immeasurably strong, mountain of iron, gate of steel, tower of adamant, he saw it: Barad-dûr, Fortress of Sauron. All hope left him.
-The Fellowship of the Ring