Revelation 19:21

New Revised Standard Version Catholic Interconfessional

And the rest were killed by the sword of the rider on the horse, the sword that came from his mouth; and all the birds were gorged with their flesh.

Cross References

Revelation 1:16

In his right hand he held seven stars, and from his mouth came a sharp, two-edged sword, and his face was like the sun shining with full force.

Revelation 17:16

And the ten horns that you saw, they and the beast will hate the whore; they will make her desolate and naked; they will devour her flesh and burn her up with fire.