So Saul died for his trespass which he committed against Yahweh, because of the word of Yahweh, which he didn't keep; and also because he asked counsel of one who had a familiar spirit, to inquire [thereby],
and also for asking counsel of one that had a familiar spirit, to inquire of it; what he should do with respect to engaging in battle with the Philistines, 1 Samuel 28:8 which to do was contrary to an express command of God, Leviticus 19:31.