Awoken Familiar

Born as a familiar some powerful magic user you were given sentience and free will to go out and do what you wish. Your history as a familiar has given you the ability to return to that form. Once a day you are able to return to your original familiar form as though using the basic Wild Shape ability of the Druid's. Your original form must be of the standard Find Familiar spell, unless your class gives you extra options such as the Warlock.