Revelation 13:1

Then I saw rising up out of the sea a beast who had ten horns and seven heads. On his horns he had ten diadems, and on his heads blasphemous titles.

Revelation 12:3

And another sign was seen in heaven; and lo, a great red dragon, with seven heads and ten horns, and upon his head seven diadems.

Revelation 17:3

And he bore me away in the Spirit into the desert, and I saw a woman who sat upon a scarlet beast covered with blasphemous names. It had seven heads and ten horns.

Revelation 11:7

"And when they shall have finished their testimony, the beast that is coming up out of the bottomless pit will make war with them, and overcome them, and kill them.

Revelation 13:5-6

And he was permitted to utter loud boasts and blasphemies; and there was given to him authority to continue forty-two months.

Revelation 15:2

And I saw the semblance of a glassy sea, mingled with fire; and standing by this glassy sea, with harps of God, were those who came off conquerors from the beast and from his image and from the cipher of his name.

Revelation 17:7-12

And the angel said to me. "Why did you wonder? I will explain to you the mystery of the woman, and of the beast with the seven heads and ten horns, that carried her.

Revelation 17:16

And the ten horns which you saw, they and the beast will hate the harlot and make her desolate and naked, and will eat her flesh and burn her up with fire.

2 Thessalonians 2:3-4

Let no one deceive you by any means. For it will not come until after the Great Apostasy, and the revealing of the Man of Sin, the son of perdition,

Revelation 17:5

Upon her forehead a name was written, a mystery, "BABYLON THE GREAT, THE MOTHER OF HARLOTS, AND ABOMINABLE THINGS OF THE EARTH."

Treasury of Scripture Knowledge

Summary

And I stood upon the sand of the sea, and saw a beast rise up out of the sea, having seven heads and ten horns, and upon his horns ten crowns, and upon his heads the name of blasphemy.

Ten crowns

Bible References

And saw

Revelation 11:7
"And when they shall have finished their testimony, the beast that is coming up out of the bottomless pit will make war with them, and overcome them, and kill them.
Revelation 17:8
The beast that you saw was, and is not, and is about to come up out of the bottomless pit, and to go into perdition. And those who dwell on the earth shall wonder, those whose names have never, from the foundation of the world, been written in the Lamb's Book of Life, when they gaze on the beast; how he was and is not, and is to come.

Having

Revelation 12:3
And another sign was seen in heaven; and lo, a great red dragon, with seven heads and ten horns, and upon his head seven diadems.
Revelation 17:3
And he bore me away in the Spirit into the desert, and I saw a woman who sat upon a scarlet beast covered with blasphemous names. It had seven heads and ten horns.

Ten crowns

Revelation 12:3
And another sign was seen in heaven; and lo, a great red dragon, with seven heads and ten horns, and upon his head seven diadems.

Blasphemy

Revelation 13:5
And he was permitted to utter loud boasts and blasphemies; and there was given to him authority to continue forty-two months.
Revelation 17:3
And he bore me away in the Spirit into the desert, and I saw a woman who sat upon a scarlet beast covered with blasphemous names. It had seven heads and ten horns.
2 Thessalonians 2:3
Let no one deceive you by any means. For it will not come until after the Great Apostasy, and the revealing of the Man of Sin, the son of perdition,