Teleportation Mastery (Item Mastery)

You can coax teleportation from conjuration magic items.

Prerequisite(s): Use Magic Device 4 ranks, base Fortitude save bonus +6.

Benefit(s): You can cause an item that has a conjuration spell of 3rd level or higher in its construction requirements to cast dimension door.

You can use this ability once per day, plus an additional time per day at base Fortitude save bonus +9 and +12.