At that time GOD will unsheathe his sword, his merciless, massive, mighty sword. He'll punish the serpent Leviathan as it flees, the serpent Leviathan thrashing in flight. He'll kill that old dragon that lives in the sea.
But the good news is that through this experience Jacob's guilt was taken away. The evidence that his sin is removed will be this: He will tear down the alien altars, take them apart stone by stone, And then crush the stones into gravel and clean out all the sex-and-religion shrines.
For there's nothing left of that pretentious grandeur. Nobody lives there anymore. It's unlivable. But animals do just fine, browsing and bedding down.
And it's not a bad place to get firewood. Dry twigs and dead branches are plentiful. It's the leavings of a people with no sense of God. So, the God who made them Will have nothing to do with them. He who formed them will turn his back on them.
At that same time a great trumpet will be blown, calling home the exiles from Assyria, Welcoming home the refugees from Egypt to come and worship GOD on the holy mountain, Jerusalem.