Immune to player card effects.

Kham–l the Easterling engages the first player.

Only the engaged player can declare attackers or defenders against Kham–l the Easterling.

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–d–r, Fortress of Sauron. All hope left him.
–The Fellowship of the Ring

When Revealed: Each player with more than 5 cards in his hand discards cards from his hand until he has only 5.

Forced: After a player draws any number of cards, he raises his threat by 1.

"Nothing can hide from them."
–Gollum, The Two Towers

Forced: After a non-unique enemy engages a player, that enemy cannot take damage until the end of the round.

...here the Dark Power, moving its armies like pieces on the board, was gathering them together.
–The Return of the King

Doomed 5.

Each player's threat cannot be reduced by more than 1 each round by player card effects.

Darkness lay there under the Sun. Fire glowed amid the smoke. Mount Doom was burning, and a great reek rising.
–The Fellowship of the Ring