Revelation 19:21

The English Standar Version

And the rest were slain by the sword that came from the mouth of him who was sitting on the horse, and all the birds were gorged with their flesh.

Cross References

Revelation 1:16

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

Revelation 17:16

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