Strength of will is sorely underrated. 0 cost is nice but you do have to exhaust a character. However, if characters are ready then there probably not going to be in combat so you're not losing an action. Nice, cheap location control.
Strength of Will
Response: After you travel to a location, exhaust a character to place 2 progress tokens on that location.
The Return of the King
Core Set #47. Spirit.
I didn't appreciate this card first, but lately I realized it's actually very good. Cost 0 and the exhaustion of ' character' is good deal for two progress tokens. And the artwork is one of the best in core set. Verdict: 4/5.
A great zero cost utility card that can handle those two progress locations that have some meddlesome effect while it's the active location. The perfect target for this card is Aragorn when he has Celebrían's Stone attached.