Necklace of Girion
The Wilds of Rhovanion #11 (x3)

Guarded (enemy or location).

Attach to a hero.

Attached hero gets +2 Willpower and collects an additional resource during the resource phase.

...the necklace of Girion, Lord of Dale, made of five hundred emeralds green as grass, which he gave for the arming of his eldest son...–The Hobbit