2 Kings 20:15-21 NIV

15 The prophet asked, “What did they see in your palace?” “They saw everything in my palace,” Hezekiah said. “There is nothing among my treasures that I did not show them.”
16 Then Isaiah said to Hezekiah, “Hear the word of the LORD:
17 The time will surely come when everything in your palace, and all that your predecessors have stored up until this day, will be carried off to Babylon. Nothing will be left, says the LORD.

References for 2 Kings 20:17

18 And some of your descendants, your own flesh and blood who will be born to you, will be taken away, and they will become eunuchs in the palace of the king of Babylon.”

References for 2 Kings 20:18

19 “The word of the LORD you have spoken is good,” Hezekiah replied. For he thought, “Will there not be peace and security in my lifetime?”
20 As for the other events of Hezekiah’s reign, all his achievements and how he made the pool and the tunnel by which he brought water into the city, are they not written in the book of the annals of the kings of Judah?

References for 2 Kings 20:20

21 Hezekiah rested with his ancestors. And Manasseh his son succeeded him as king.