Dreadful Spell
The Fall of Nargothrond #334 (x1)
Treachery

When Revealed: Attach Dreadful Spell to a hero controlled by the defending player. (Counts as a Condition attachment with the text: "The attached character cannot ready. At the end of the round, discard the top card of the encounter. If theThreat of the discarded card is lower than the attached character'sWillpower discard Dreadful Spell.")

...he was yet held by the eyes of Glaurung in torment of mind...
–The Children of Húrin