Revelation 15:2

And I saw as it were a sea of glass mingled with fire: and those who conquer from the beast, and from his image, and from the number of his name, standing on the sea of glass, having the harps of God.

Revelation 4:6

and before the throne a glassy sea like crystal; and in the midst of the throne, and round about the throne, are four living creatures filled with eyes in front and in the rear.

Revelation 5:8

And when he took the book, the four living creatures and the twenty-four elders fell down before the Lamb, having each a harp, and golden bowls filled with incense, which are the prayers of the saints.

Revelation 12:11

And they conquered him through the blood of the Lamb, and the word of their testimony; and with divine love they love not their life unto death.

Revelation 21:18

And the building of the wall was jasper: and the city pure gold, like transparent glass.

Matthew 3:11

I indeed baptize you with water unto repentance, but there is One coming after me more powerful than I, whose sandals I am not worthy to carry; He will baptize you with the Holy Ghost and fire.

1 Peter 1:7

that the trial of your faith, which is more precious than gold that perishes, however being tried by the fire, may be found unto praise and glory and honor in the revelation of Jesus Christ:

1 Peter 4:12

Beloved, think it not strange concerning the fiery trial among you, coming upon you unto your testing: as some strange thing happening to you:

Revelation 11:11-12

And after three and a half days the spirit of life from God entered into them, and they stood upon their feet; and great fear fell on those seeing them.

Revelation 13:14-5

And he deceives those dwelling upon the earth through the signs which it was given unto him to perform in the presence of the beast, saying to those dwelling on the earth, that they should make an image to the beast, who had the wound of the sword, and did live.

Revelation 19:1-7

After these things I heard as it were a great voice of a vast multitude in the heaven, saying, Hallelujah! Salvation, and glary, and power, belong to our God:

Treasury of Scripture Knowledge

Summary

And I saw as it were a sea of glass mingled with fire: and them that had gotten the victory over the beast, and over his image, and over his mark, and over the number of his name, stand on the sea of glass, having the harps of God.

Bible References

A sea

Revelation 4:6
and before the throne a glassy sea like crystal; and in the midst of the throne, and round about the throne, are four living creatures filled with eyes in front and in the rear.
Revelation 21:18
And the building of the wall was jasper: and the city pure gold, like transparent glass.

Mingled

Matthew 3:11
I indeed baptize you with water unto repentance, but there is One coming after me more powerful than I, whose sandals I am not worthy to carry; He will baptize you with the Holy Ghost and fire.
1 Peter 1:7
that the trial of your faith, which is more precious than gold that perishes, however being tried by the fire, may be found unto praise and glory and honor in the revelation of Jesus Christ:
1 Peter 4:12
Beloved, think it not strange concerning the fiery trial among you, coming upon you unto your testing: as some strange thing happening to you:

That had

Revelation 11:11
And after three and a half days the spirit of life from God entered into them, and they stood upon their feet; and great fear fell on those seeing them.
Revelation 12:11
And they conquered him through the blood of the Lamb, and the word of their testimony; and with divine love they love not their life unto death.
Revelation 13:14
And he deceives those dwelling upon the earth through the signs which it was given unto him to perform in the presence of the beast, saying to those dwelling on the earth, that they should make an image to the beast, who had the wound of the sword, and did live.
Revelation 14:1
And I saw, and behold, the Lamb standing on the mount Zion, and with him a hundred and forty-four thousand, having his name, and the name of his Father written on their foreheads.

Having

Revelation 5:8
And when he took the book, the four living creatures and the twenty-four elders fell down before the Lamb, having each a harp, and golden bowls filled with incense, which are the prayers of the saints.
Revelation 14:2
And I heard a voice from heaven, as the sound of many waters, and as the sound of a great thunder: and the sound which I heard was as the sound of harpers harping with their harps:
Revelation 19:1
After these things I heard as it were a great voice of a vast multitude in the heaven, saying, Hallelujah! Salvation, and glary, and power, belong to our God: