Celebrían's Stone
Revised Core Set #27 (x3)
Attachment
[2]

Attach to a hero. Restricted.

Attached hero gains +2 Willpower

If attached hero is Aragorn, he also gains a 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