The ornamental face on this door interrogates and introduces your visitors.
Wondrous Item 13,000 gp
Cast in the shape of a face, this door ornament is aware of its surroundings and able to speak. When you install a door warden on a portal, the door gains resist 10 to all damage and 40 additional hit points, and can be opened or closed at will by the warden as a minor action. The door warden judges when to open the door or keep it sealed based on your instructions and can communicate with you telepathically if you’re on the same plane.
Published in Adventurer's Vault 2, page(s) 80.