Revelation 19:21

New Century Version

And their armies were killed with the sword that came out of the mouth of the rider on the horse, and all the birds ate the bodies until they were full.

Cross References

Revelation 1:16

He held seven stars in his right hand, and a sharp double-edged sword came out of his mouth. He looked like the sun shining at its brightest time.

Revelation 17:16

The ten horns and the beast you saw will hate the prostitute. They will take everything she has and leave her naked. They will eat her body and burn her with fire.