Ioun Stone of Allure
This pink and green sphere increases your presence and force of personality.
Head Slot 225,000 gp
You gain a +4 item bonus to Charisma-based skill checks and Charisma ability checks. You also gain a +5 item bonus to the damage rolls of Charisma-based attacks.
Published in Mordenkainen's Magnificent Emporium, page(s) 70.