Artifact. Item.
Attach to a hero. Restricted.
Attached hero gains +2 Willpower.
If attached hero is Aragorn, he also gains a Spirit resource icon.
"You needn't." said Bilbo. "As a matter of fact it was all mine. Except that Aragorn insisted on my putting in a green stone. He seemed to think it important. I don't know why." - The Fellowship of the Ring