After Samuel leaves Saul, the king is instantly left alone in a strange, vision-like state that looks like the unseen world from The Lordof the Rings when Frodo puts on the One Ring. However ...

Now go and smite Amalek and utterly destroy all that they have, and spare them not…” (verses 3-4) However, Saul failed to comply in full, leaving the Amalekite king, Agag, alive. Samuel ...