Ahab sent messengers to all the Israelites and had the prophets assemble at Mount Carmel.

He gathered some men and organized a raiding band. ¹  When David tried to kill them, ²  they went to Damascus, where they settled down and gained control of the city.

Now send out messengers ¹  and assemble all Israel before me at Mount Carmel, as well as the 450 prophets of Baal and 400 prophets of Asherah whom Jezebel supports. ² 

Now King Ben Hadad of Syria assembled all his army, along with thirty-two other kings with their horses and chariots. He marched against Samaria ¹  and besieged and attacked it. ² 

So the king of Israel assembled about four hundred prophets and asked them, “Should I attack Ramoth Gilead or not?” ¹  They said, “Attack! The sovereign one ²  will hand it over to the king.”