Revelation 19:21 in the World English Bible
The rest were killed with the sword of him who sat on the horse, the sword which came out of his mouth. So all the birds were filled with their flesh.
Context
20 And the beast was taken, and with him the false prophet that wrought miracles before him, with which he deceived them that had received the mark of the beast, and them that worshipped his image. These both were cast alive into a lake of fire burning with brimstone.
21 And the remnant were slain with the sword of him that sat upon the horse, which sword proceeded out of his mouth: and all the fowls were filled with their flesh.