Diadem of Exquisite Communication
This diadem makes you a conduit for unspoken thoughts and lets you take the advantage when an enemy attacks your strength of mind.
Head Slot 17,000 gp
While you have at least 1 power point, you have telepathy 5.
Power (Augmentable) Daily (Free Action)
Trigger: An enemy attack targets your Will.
Effect: The triggering enemy grants you combat advantage until the end of your next turn.
Augment 1: (Psychic): The enemy also takes psychic damage equal to your Constitution, Intelligence, or Charisma modifier (whichever is highest).
Published in Psionic Power, page(s) 158.