Another good Guarded attachment which can end up giving our really massime amounts of in the right decks. It can also be a good way to spread around some threat. Also such an iconic item is definitely a good inclusion.
Attachment. Cost: 1.
Guarded (enemy or location).
Attach to a hero.
Each unique character you control gains +1 .
Action: Reduce your threat by 2 to attach The Arkenstone to a hero controlled by another player and raise that player's threat by 2. (Limit once per round.)
The Withered Heath #10. Neutral.