NET

12 But when the Lord finishes judging Mount Zion and Jerusalem, then he will punish the king of Assyria for what he has proudly planned and for the arrogant attitude he displays.

Darby

12 And it shall come to pass, when the Lord hath performed his whole work upon mount Zion and upon Jerusalem, I will punish the fruit of the stoutness of heart of the king of Assyria, and the glory of his high looks.

KJV

12 Wherefore it shall come to pass, [that] when the Lord hath performed his whole work upon mount Zion and on Jerusalem, I will punish the fruit of the stout heart of the king of Assyria, and the glory of his high looks.