Then said Saul unto his servants, Seek me a woman that hath a familiar spirit, that I may go to her, and inquire of her. And his servants said to him, Behold, there is a woman that hath a familiar spirit at Endor. Seek me a woman that hath a familiar spirit - Literally, Seek me a woman, בעלת אוב baalath ob, the mistress of the Obidiah or Pythonic spirit - one who had a familiar spirit, whom she could invoke when she pleased, and receive answers from him relative to futurity.
Strange that a man, who had banished all such from the land, as dangerous to the state, as impostors and deceivers, should now have recourse to them as the only persons in whom he could safely put his confidence in the time in which Jehovah had refused to help him!
At En-dor - This was a city in the valley of Jezreel, at the foot of Mount Gilboa, where the army of Saul had now encamped.