Revelation 2:16

Repent; otherwise I am coming to you quickly, and will fight against them with the sword of my mouth.

Revelation 12:3-2

And there appeared another sign in the heaven; and behold the great red dragon, having seven heads and ten horns, and upon his heads seven diadems:

Revelation 13:4

and they worshiped the dragon, because he gave authority to the beast; and they worshiped the beast, saying; Who is like the beast? and who is able to make war with him?

Revelation 13:11

And I saw another beast coming up out of the earth; and he had two horns like a lamb, and he continued to speak as the dragon.

Revelation 16:13

And I saw three unclean spirits like frogs come out of the mouth of the dragon, and out of the mouth of the beast, and out of the mouth of the false prophet;

Revelation 17:1

And one of the seven angels having the seven bowls, came and spoke with me, saying, Come hither, I will show thee the judgment of the great harlot, the one sitting upon many waters:

Revelation 17:15

And he says to me, The waters which you saw, where the harlot sits, are peoples, and multitudes, and nations, and tongues.

Revelation 19:21

And the rest were slain with the sword proceeding out from the mouth of him, the one sitting on the horse: and all the birds were filled with their flesh.

Revelation 20:2

And he laid hold on the dragon, who is the old serpent, who is the Devil, and Satan, and bound him a thousand years,

Treasury of Scripture Knowledge

Summary

In that day the LORD with his sore and great and strong sword shall punish leviathan the piercing serpent, even leviathan that crooked serpent; and he shall slay the dragon that is in the sea.

General references

Bible References

With his

Revelation 2:16
Repent; otherwise I am coming to you quickly, and will fight against them with the sword of my mouth.
Revelation 19:21
And the rest were slain with the sword proceeding out from the mouth of him, the one sitting on the horse: and all the birds were filled with their flesh.

In the sea

Revelation 13:1
And I stood upon the sand of the sea. And I saw a beast rising up out of the sea, having ten horns and seven heads; and upon his horns ten diadems, and upon his heads names of blasphemy.
Revelation 17:1
And one of the seven angels having the seven bowls, came and spoke with me, saying, Come hither, I will show thee the judgment of the great harlot, the one sitting upon many waters:

General references

Mark 3:27
No one is able, having entered into the house of a strong man, to spoil his goods, unless he may first bind the strong man, and then he will spoil his house.
Luke 11:22
but when one stronger than he, having come, may conquer him, he takes away his panoply in which he trusted, and divides his spoils.