Crystal Ball

Nothing can be hidden from the inquisitive gaze of Wizards using this powerful saying device.
The enemy must always reveal all the 'secrets' involving all units which are within 12' of the Wizard at any time. This includes which magic item are in the unit and who is carrying them, the presence of disguised Assassins, the number of Fanatics and everything else that the player is not normally obliged to disclose to his opponent.