NET

12 “‘But when the seventy years are over, I will punish the king of Babylon and his nation for their sins. I will make the land of Babylon an everlasting ruin. I, the Lord, affirm it!

Darby

12 And it shall come to pass, when seventy years are accomplished, [that] I will visit on the king of Babylon and on that nation, saith Jehovah, their iniquity, and on the land of the Chaldeans, and I will make it perpetual desolations.

KJV

12 And it shall come to pass, when seventy years are accomplished, [that] I will punish the king of Babylon, and that nation, saith the LORD, for their iniquity, and the land of the Chaldeans, and will make it perpetual desolations.