"Manasseh was 12 years old when he became king, and he reigned 55 years in Jerusalem. But he did evil in the sight of the Lord, according to the abominations of the nations whom the Lord had cast out before the children of Israel. ...So Manasseh seduced Judah and the inhabitants of Jerusalem to do more evil than the nations whom the Lord had destroyed before the children of Israel." (2 Chron. 33:1-2 & 9)
As a matter of course in casual conversation, the Lord won't allow me to refer to Manasseh as "Israel's most wicked king", even though scripture basically describes him as such.
That's because of the mercy God showed Manasseh when he earnestly repented after the king of Assyria took him captive with hooks and chains. As scripture describes it:
"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. ... So Manasseh rested with his fathers, and they buried him in his own house." (2 Chron. 33:12-13 & 20a)
It's also because, to our God, sin is sin is sin, and no transgression ranks "worse" than any other. Period. The lawbreaking jaywalker is just as much in need of repentance and cleansing as the ax murderer, in God's eyes.
God accepted Manasseh's humbled, sincere entreaty and restored him. That's that.
And you know what, Saints? THANK YOU, JESUS that's that because of what it means for you and I; for no one sits in a sinless, ivory tower before the Lord. Regardless of the kind or level or frequency of sin, it always separates us from our Holy God, and we all stand guilty, in desperate need of forgiveness and cleansing - from the teller of fibs all the way to the serial rapist.
All it takes is sincere repentance to be completely restored and reprieved of utter doom and desolation in eternal separation from God. Manasseh did it, and God rewarded him for it. He received his humble entreaty and brought him back to his kingdom. How GLAD it must have made Hezekiah on the balconies of Heaven to receive the good report of his son's repentance before almighty God!
For me, the best part of this story is that what God does for one, He'll do for all. No matter what the sin, beloved, the Lord's hand is outstretched to you today and every day, asking you to sincerely repent. Turn to God and be restored, for He will abundantly pardon. He did it for Manasseh and, surely, He'll do it for you.