There will be so few trees left in his forest, a child will be able to count them.
Referenced Verses
Isa 21:17 : 17 Just a handful of archers, the warriors of Kedar, will be left.” Indeed, the LORD God of Israel has spoken.
Isa 37:36 : 36 The LORD’s angel went out and killed 185,000 troops in the Assyrian camp. When they got up early the next morning, there were all the corpses!