These are demonic spirits that perform miracles, going out to gather together all the kings of the whole world for the battle on God the All-powerful One's great day of judgment.
The Benjamites came out to attack them and were lured away from the town as they began to kill Israelites as they had before. Some thirty Israelites died on the battlefield and along the roads, the one that goes towards Bethel and the other that goes back towards Gibeah.