Numbers 22:5

22:5 And he sent messengers to Balaam son of Beor at Pethor, which is by the Euphrates River in the land of Amaw, to summon him, saying, “Look, a nation has come out of Egypt. They cover the face of the earth, and they are settling next to me.

Numbers 22:31

22:31 Then the Lord opened Balaam’s eyes, and he saw the angel of the Lord standing in the way with his sword drawn in his hand; so he bowed his head and threw himself down with his face to the ground.