All of the candles that surrounded the portal in Malcolm Bradford's mansion were obliterated when the portal imploded, all save the remains of this one. After Abelard the Purifier smashed it in his hand, the plain gray wax pebble became hard as stone and still bears the thumbprint of the Purifier.
When you hold this item, lying becomes effortless to you. As a bonus action, you may imperceptibly use this item to expend 1 charge to gain advantage on a deception check. This item has 3 charges, and regains all charges at midnight.