Revelation 2:12

"To the angel of the assembly in Pergamum write: "He who has the sharp two-edged sword says these things:

Revelation 1:16

He had seven stars in his right hand. Out of his mouth proceeded a sharp two-edged sword. His face was like the sun shining at its brightest.

Revelation 1:11

saying, "What you see, write in a book and send to the seven assemblies: to Ephesus, Smyrna, Pergamum, Thyatira, Sardis, Philadelphia, and to Laodicea."

Revelation 2:16

Repent therefore, or else I am coming to you quickly, and I will make war against them with the sword of my mouth.

Isaiah 11:4

but with righteousness he will judge the poor, and decide with equity for the humble of the earth. He will strike the earth with the rod of his mouth; and with the breath of his lips he will kill the wicked.

Hebrews 4:12

For the word of God is living, and active, and sharper than any two-edged sword, and piercing even to the dividing of soul and spirit, of both joints and marrow, and is able to discern the thoughts and intentions of the heart.

Revelation 2:1

"To the angel of the assembly in Ephesus write: "He who holds the seven stars in his right hand, he who walks among the seven golden lampstands says these things:

Revelation 19:15

Out of his mouth proceeds a sharp, double-edged sword, that with it he should strike the nations. He will rule them with an iron rod. He treads the winepress of the fierceness of the wrath of God, the Almighty.

Revelation 19:21

The rest were killed with the sword of him who sat on the horse, the sword which came forth out of his mouth. 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: "He who holds the seven stars in his right hand, he who walks among the seven golden lampstands says these things:
Revelation 1:11
saying, "What you see, write in a book and send to the seven assemblies: to Ephesus, Smyrna, Pergamum, Thyatira, Sardis, Philadelphia, and to Laodicea."

Which hath

Revelation 2:16
Repent therefore, or else I am coming to you quickly, and I will make war against them with the sword of my mouth.
Revelation 1:16
He had seven stars in his right hand. Out of his mouth proceeded a sharp two-edged sword. His face was like the sun shining at its brightest.
Revelation 19:15
Out of his mouth proceeds a sharp, double-edged sword, that with it he should strike the nations. He will rule them with an iron rod. He treads the winepress of the fierceness of the wrath of God, the Almighty.
Isaiah 11:4
but with righteousness he will judge the poor, and decide with equity for the humble of the earth. He will strike the earth with the rod of his mouth; and with the breath of his lips he will kill the wicked.
Hebrews 4:12
For the word of God is living, and active, and sharper than any two-edged sword, and piercing even to the dividing of soul and spirit, of both joints and marrow, and is able to discern the thoughts and intentions of the heart.