The Shattered Monument
The City of Corsairs #159 (x1)
Location
4 (8)
Umbar.  

Each Raider enemy with at least 1 resource on it is immune to player events.

Forced: At the beginning of the resource phase, add 1 resource to each Raider enemy in play.

So it stood, until after the second arising of Sauron, which now approached. Umbar fell under the dominion of his servants, and the memorial of his humiliation was thrown down.
–The Return of the King