Jesus in Mathew 4 received a false vision false prophecy bringing in lies to the mind of Jesus who had not eaten for forty days.This was at the beginning of His ministry.. Jesus walked by faith, the unseen and said three times, "it is written" and the vision ended
We are warned of false prophecy through out the body or near death experiences they as the new age old age cycle seem to be on the rise today the new millennial gospel. They come from worshipping believing fallen angels that have no form.
Colossians 2:18Let no man beguile you of your reward in a voluntary humility and worshipping of angels, intruding into those things which he hath not seen, vainly puffed up by his fleshly mind,
Saul was cut off from any manner of communication. Its why Saul sought after the legion. God sent Saul and the witch a strong delusion