23 The Lord, the LORD Almighty, will carry out the destruction decreed upon the whole land.

Read Isaiah 10:23 Using Other Translations

For the Lord GOD of hosts shall make a consumption, even determined, in the midst of all the land.
For the Lord GOD of hosts will make a full end, as decreed, in the midst of all the earth.
Yes, the Lord, the LORD of Heaven’s Armies, has already decided to destroy the entire land.