Revelation 2:12

And to the angel of the assembly in Pergamos write: These things says he that has the sharp two-edged sword:

Revelation 1:16

and having in his right hand seven stars; and out of his mouth a sharp two-edged sword going forth; and his countenance as the sun shines in its power.

Revelation 1:11

saying, What thou seest write in a book, and send to the seven assemblies: to Ephesus, and to Smyrna, and to Pergamos, and to Thyatira, and to Sardis, and to Philadelphia, and to Laodicea.

Revelation 2:16

Repent therefore: but if not, I come to thee quickly, and I will make war with them with the sword of my mouth.

Isaiah 11:4

but with righteousness shall he judge the poor, and reprove with equity the meek of the earth: and he shall smite the earth with the rod of his mouth, and with the breath of his lips shall he slay the wicked.

Hebrews 4:12

For the word of God is living and operative, and sharper than any two-edged sword, and penetrating to the division of soul and spirit, both of joints and marrow, and a discerner of the thoughts and intents of the heart.

Revelation 2:1

To the angel of the assembly in Ephesus write: These things says he that holds the seven stars in his right hand, who walks in the midst of the seven golden lamps:

Revelation 19:15

And out of his mouth goes a sharp two-edged sword, that with it he might smite the nations; and he shall shepherd them with an iron rod; and he treads the wine-press of the fury of the wrath of God the Almighty.

Revelation 19:21

and the rest were slain with the sword of him that sat upon the horse, which goes out of his mouth; and all the birds were filled with their flesh.

Treasury of Scripture Knowledge

Summary

And to the angel of the church in Pergamos write; These things saith he which hath the sharp sword with two edges;

Bible References

The angel

Revelation 2:1
To the angel of the assembly in Ephesus write: These things says he that holds the seven stars in his right hand, who walks in the midst of the seven golden lamps:
Revelation 1:11
saying, What thou seest write in a book, and send to the seven assemblies: to Ephesus, and to Smyrna, and to Pergamos, and to Thyatira, and to Sardis, and to Philadelphia, and to Laodicea.

Which hath

Revelation 2:16
Repent therefore: but if not, I come to thee quickly, and I will make war with them with the sword of my mouth.
Revelation 1:16
and having in his right hand seven stars; and out of his mouth a sharp two-edged sword going forth; and his countenance as the sun shines in its power.
Revelation 19:15
And out of his mouth goes a sharp two-edged sword, that with it he might smite the nations; and he shall shepherd them with an iron rod; and he treads the wine-press of the fury of the wrath of God the Almighty.
Isaiah 11:4
but with righteousness shall he judge the poor, and reprove with equity the meek of the earth: and he shall smite the earth with the rod of his mouth, and with the breath of his lips shall he slay the wicked.
Hebrews 4:12
For the word of God is living and operative, and sharper than any two-edged sword, and penetrating to the division of soul and spirit, both of joints and marrow, and a discerner of the thoughts and intents of the heart.