Revelation 2:16

Repent! but if not, I am coming to thee quickly, and will war against them with the sword of my mouth.

Revelation 12:3-2

And there appeared another sign in the heaven; and lo! a great fiery dragon, having seven heads and ten horns, and upon his heads seven crowns.

Revelation 13:4

And they worshipped the dragon who had given authority to the beast: and they worshipped the beast, saying, Who is like to the beast? who is able to wage war with him?

Revelation 13:11

And I saw another beast rising up out of the earth, and he had two horns like a lamb, though he spake as the dragon.

Revelation 16:13

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

Revelation 17:1

AND one of the seven angels who had the seven vases, came to me, and talked with me, saying to me, Come hither, I will shew thee the judgment of the great harlot, who sitteth upon many waters:

Revelation 17:15

And he saith to me, The waters which thou sawest, on which the whore sat, are people, and multitudes, and nations, and tongues.

Revelation 19:21

And all the rest were slain with the sword of him that sat upon the horse, which issued from his mouth: and all the fowls were gorged with their carcasses.

Revelation 20:2

and he seized on the dragon, the old serpent, which 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! but if not, I am coming to thee quickly, and will war against them with the sword of my mouth.
Revelation 19:21
And all the rest were slain with the sword of him that sat upon the horse, which issued from his mouth: and all the fowls were gorged with their carcasses.

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 seven heads and ten horns, and upon the horns ten diadems, and upon the heads a title of blasphemy.
Revelation 17:1
AND one of the seven angels who had the seven vases, came to me, and talked with me, saying to me, Come hither, I will shew thee the judgment of the great harlot, who sitteth upon many waters:

General references

Mark 3:27
No man entering into his house, can plunder a strong man's goods, unless he first bind the strong man, then indeed he spoileth his house.
Luke 11:22
But when a stronger person than he coming, vanquisheth him, he takes away his suit of armour in which he confided, and distributes the spoils.