Revelation 2:16

Repent therefore; if not, I come to thee, and will fight against them with the sword of my mouth.

Revelation 12:3-2

And another sign was seen in heaven; and behold a great red dragon, having seven heads and ten horns, and seven diadems on his heads.

Revelation 13:4

because he gave the authority to the wild beast; and worshiped the wild beast, saying, Who is like the wild beast? and who can war with him?

Revelation 13:11

And I saw another wild beast coming up out of the earth, and he had two horns like a lamb, but he spake like a dragon;

Revelation 16:13

And I saw out of the mouth of the dragon, and out of the mouth of the wild beast, and out of the mouth of the false prophet, three unclean spirits like frogs (They are spirits of devils,

Revelation 17:1

And there came one of the seven angels who had the seven phials, and talked with me, saying, Come hither, I will shew thee the judgment of the great whore, that sitteth upon many waters:

Revelation 17:15

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

Revelation 19:21

And the rest were slain by the sword of him that sat upon the horse, which went forth out of his mouth; and all the birds were satisfied with their flesh.

Revelation 20:2

And he laid hold on the dragon, 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 therefore; if not, I come to thee, and will fight against them with the sword of my mouth.
Revelation 19:21
And the rest were slain by the sword of him that sat upon the horse, which went forth out of his mouth; and all the birds were satisfied with their flesh.

In the sea

Revelation 13:1
And I stood on the sand of the sea, and saw a wild beast, coming up out of the sea, having seven heads and ten horns, and upon his horns ten diadems, and upon his heads a name of blasphemy.
Revelation 17:1
And there came one of the seven angels who had the seven phials, and talked with me, saying, Come hither, I will shew thee the judgment of the great whore, that sitteth upon many waters:

General references

Mark 3:27
None can enter into the strong one's house and plunder his goods, unless he first bind the strong one, and then he will plunder his house.
Luke 11:22
when he that is stronger than him cometh upon him and overcometh him, he taketh from him his compleat armour wherein he trusted, and divideth his spoils.