For my sword has drunk its fill in the heavens; behold, it descends for judgment upon Edom, upon the people I have devoted to destruction.
5. For my sword is made drunken in the heavens. He says that the “sword” of the Lord is bloody, as extensive slaughter makes the “swords” wet with gore; and, in order to give greater weight to his style, he represents the Lord as speaking. But why does he say that it is in heaven?
Here we have a prophecy, as elsewhere we have a history, of the wars of the Lord, which we are sure are all both righteous and successful. This world, as it is his creature, he does good to; but as it is in the interest of Satan, who is called the god of this world, he fights against it. I.
Commenting on Isaiah 34:1-8
For my sword shall be bathed in heaven,.... That is, the sword of the Lord, as it is called in the next verse Isa 34:6, and it is he that is speaking; it designs the vengeance of the Lord, the punishment he will inflict on the wicked, said to be "bathed in heaven", because determined and prepared there; the allusion may be to the bathing...