Revelation 1:16

and he had in his right hand seven stars, and out of his mouth there went a sharp two-edged sword; and his countenance was as the sun, when he shines in his strength.

Revelation 19:21

And the rest were slain with the sword that came out of the mouth of him who sat on the horse: and all the birds were satiated with their flesh.

Treasury of Scripture Knowledge

Summary

Happy art thou, O Israel: who is like unto thee, O people saved by the LORD, the shield of thy help, and who is the sword of thy excellency! and thine enemies shall be found liars unto thee; and thou shalt tread upon their high places.

Bible References

The sword

Revelation 1:16
and he had in his right hand seven stars, and out of his mouth there went a sharp two-edged sword; and his countenance was as the sun, when he shines in his strength.
Revelation 19:21
And the rest were slain with the sword that came out of the mouth of him who sat on the horse: and all the birds were satiated with their flesh.