The amulet of torture (or) is an amulet of torture with a torture ornament kit attached to it. The attached ornament kit gives no additional bonuses, and is only used to add aesthetics to the amulet. It costs 18,861,636 for both the parts to make the amulet of torture (or).
While the amulet is untradeable in its ornamented state, it can be dismantled anytime, returning the tradeable amulet and ornament kit.
Many players purchase the ornament kit for the purpose of making the item untradeable, thus allowing the player to always keep it on death against NPCs.