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

‭‭II Chronicles‬ ‭33‬:‭12‬-‭13‬ ‭NKJV‬‬

https://bible.com/bible/114/2ch.33.13.NKJV