ISV(i)
15 then put the inhabitants of the town to death by the sword. Devote everything in it to divine destruction—even its livestock—by the sword.
16 Gather whatever you’ve taken as spoils at the public square of the town, then burn the town, along with whatever you’ve taken, as an offering to the LORD your God. It will remain a permanent mound of ruins, never to be rebuilt again.
17 Moreover, you must never take any item from those condemned things, so the LORD may yet relent from his burning anger and extend compassion, have mercy, and cause you to increase in number—as he promised by an oath to your ancestors—