2 Kings 13:17-19 NIV

17 "Open the east window," he said, and he opened it. "Shoot!"1 Elisha said, and he shot. "The LORD's arrow of victory, the arrow of victory over Aram!" Elisha declared. "You will completely destroy the Arameans at Aphek."2

References for 2 Kings 13:17

18 Then he said, "Take the arrows," and the king took them. Elisha told him, "Strike the ground." He struck it three times and stopped.
19 The man of God was angry with him and said, "You should have struck the ground five or six times; then you would have defeated Aram and completely destroyed it. But now you will defeat it only three times."3

References for 2 Kings 13:19