2 Chronicles 33:12-15

12Now when he was in affliction, he implored the Lord his God, and humbled himself greatly before the God of his fathers,

13and prayed to Him; and He received his entreaty, heard his supplication, and brought him back to Jerusalem into his kingdom. Then Manasseh knew that the Lord was God.

14After this he built a wall outside the City of David on the west side of Gihon, in the valley, as far as the entrance of the Fish Gate; and it enclosed Ophel, and he raised it to a very great height. Then he put military captains in all the fortified cities of Judah.

15He took away the foreign gods and the idol from the house of the Lord, and all the altars that he had built in the mount of the house of the Lord and in Jerusalem; and he cast them out of the city.