Mount Doom
The Mountain of Fire #43 (x1)
Lugar
X (9)
Mordor.  

Immune to player card effects. X is the tens digit of the first player's threat dial.

The players cannot travel here unless there is at least 20 progress on stage 3B.

Travel: Each player makes a Fortitude test. If a player fails this test, raise his threat by 9.

He raised his eyes with difficulty to the dark slopes of Mount Doom towering above him...
–The Return of the King