Isaiah 14:25
I will break Assyria in My land;
What it says
Assyria will be broken in God's land and its yoke removed from His people.
What it is doing
This verse states the concrete outcome of that purpose.
In context
24The LORD of Hosts has sworn: 25I will break Assyria in My land; 26This is the plan devised for the whole earth, 27The LORD of Hosts has purposed,