Here we find the terrible aftermath of Saul's venture into the occult. Terror falls on Saul, he came for comfort from the medium but found judgement would fall on him. In the passage you find the kindness of the medium – is it kindness or self-interest? The story then returns to David's dilemma and how the mercy of God delivers him from his self-induced situation. Here is doom for Saul and deliverance for David.