Revelation 6:9

And, when He opened the fifth seal, I saw, underneath the altar, the souls of those who had been slain because of the word of God, and because of the testimony which they were holding.

Revelation 14:18

And another angel came forth out from the altar, he that has authority over the fire; and he called with a great voice to him who had the sharp sickle, saying, "Send forth your sharp sickle, and gather the clusters of the vine of the earth; because her grapes were ripe."

Revelation 20:4

And I saw thrones, and they sat upon them; and judgment was given to them; and I saw the souls of those who had been beheaded because of the testimony of Jesus, and because of the word of God; and such as worshiped not the beast, neither his image, and received not the mark upon their forehead and upon their hand; and they lived, and reigned with Christ a thousand years.

Revelation 1:9

I, John, your brother, and fellow-sharer in the tribulation, and kingdom, and patience in Jesus, was in the island called Patmos, because of the word of God and the testimony of Jesus.

John 16:2

They will put you out of the synagogues; yea, an hour is coming, that every one who kills you will think that he is offering service to God.

Revelation 16:7

And I heard another out of the altar, saying, "Yea, O Lord God, the Almighty, true and righteous are Thy judgments."

2 Corinthians 5:8

we are of good courage, I say, and are well pleased to be absent from the body, and to be at home with the Lord.

Philippians 1:23

but I am constrained by the two; having the desire to depart and be with Christ, for it is far better;

Philippians 2:17

But even if I am offered as a libation upon the sacrifice and ministry of your faith, I rejoice, and I rejoice with you all;

2 Timothy 1:8

Be not ashamed, therefore, of the testimony of our Lord, nor of me His prisoner; but suffer hardship with me for the Gospel, according to the power of God,

2 Timothy 4:6

For I am already being offered, and the time of my departure has arrived.

Revelation 1:2

who testified of the word of God and the testimony of Jesus Christ, whatsoever things he saw.

Revelation 2:13

"I know where you dwell, where Satan's throne is; and you hold fast My name, and did not deny My faith, even in the days of Antipas, My witness, My faithful one, who was killed among you, where Satan dwells.

Revelation 8:3

And another angel came, and stood over the altar, having a golden censer; and there was given to him much incense, that he might add it to the prayers of all the saints upon the golden altar which was before the throne.

Revelation 9:13

And the sixth angel sounded; and I heard one voice out of the horns of the golden altar which is before God,

Revelation 11:3-7

And I will give to My two witnesses, and they shall prophesy a thousand two hundred and sixty days, clothed in sackcloth."

Revelation 12:11-17

and they overcame him because of the blood of the Lamb, and because of the word of their testimony, and they loved not their soul, even to death.

Revelation 19:10

And I fell down before his feet to worship him. And he says to me, "See that you do it not: I am a fellow-servant of you and of your brethren who hold the testimony of Jesus; worship God: for the testimony of Jesus is the spirit of prophecy."

Treasury of Scripture Knowledge

Summary

And when he had opened the fifth seal, I saw under the altar the souls of them that were slain for the word of God, and for the testimony which they held:

General references

Bible References

I saw

Revelation 8:3
And another angel came, and stood over the altar, having a golden censer; and there was given to him much incense, that he might add it to the prayers of all the saints upon the golden altar which was before the throne.
Revelation 9:13
And the sixth angel sounded; and I heard one voice out of the horns of the golden altar which is before God,
Revelation 14:18
And another angel came forth out from the altar, he that has authority over the fire; and he called with a great voice to him who had the sharp sickle, saying, "Send forth your sharp sickle, and gather the clusters of the vine of the earth; because her grapes were ripe."
John 16:2
They will put you out of the synagogues; yea, an hour is coming, that every one who kills you will think that he is offering service to God.
2 Timothy 4:6
For I am already being offered, and the time of my departure has arrived.

The souls

Revelation 20:4
And I saw thrones, and they sat upon them; and judgment was given to them; and I saw the souls of those who had been beheaded because of the testimony of Jesus, and because of the word of God; and such as worshiped not the beast, neither his image, and received not the mark upon their forehead and upon their hand; and they lived, and reigned with Christ a thousand years.
2 Corinthians 5:8
we are of good courage, I say, and are well pleased to be absent from the body, and to be at home with the Lord.
Philippians 1:23
but I am constrained by the two; having the desire to depart and be with Christ, for it is far better;

Slain

Revelation 1:9
I, John, your brother, and fellow-sharer in the tribulation, and kingdom, and patience in Jesus, was in the island called Patmos, because of the word of God and the testimony of Jesus.
Revelation 2:13
"I know where you dwell, where Satan's throne is; and you hold fast My name, and did not deny My faith, even in the days of Antipas, My witness, My faithful one, who was killed among you, where Satan dwells.
Revelation 11:3
And I will give to My two witnesses, and they shall prophesy a thousand two hundred and sixty days, clothed in sackcloth."
Revelation 12:11
and they overcame him because of the blood of the Lamb, and because of the word of their testimony, and they loved not their soul, even to death.
Revelation 19:10
And I fell down before his feet to worship him. And he says to me, "See that you do it not: I am a fellow-servant of you and of your brethren who hold the testimony of Jesus; worship God: for the testimony of Jesus is the spirit of prophecy."
2 Timothy 1:8
Be not ashamed, therefore, of the testimony of our Lord, nor of me His prisoner; but suffer hardship with me for the Gospel, according to the power of God,

General references

Matthew 21:35
And the husbandmen, taking his servants, one, indeed, they beat; and one they killed; and one they stoned.
Hebrews 12:4
Not yet did ye resist unto blood, contending against sin;