Haunting Fog
The Treachery of Rhudaur#108 (x3)
Treachery

When Revealed: Each player must exhaust a character he controls. Attach Haunting Fog to the current quest. (Counts as a Condition attachment with the text: "Attached quest gets +6 quest points."

Fog still hung in veils upon the crumbling rock-wall...
–The Fellowship of the Ring