1 Kings 18:19

18:19 Now send out messengers 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.

1 Kings 18:40

18:40 Elijah told them, “Seize the prophets of Baal! Don’t let even one of them escape!” So they seized them, and Elijah led them down to the Kishon Valley and executed them there.