Here is all the 18th verses found in Revelation.
1
18 I am the Living One; I was dead, and behold I am alive for ever and ever! And I hold the keys of death and Hades.
2
18 "To the angel of the church in Thyatira write:
These are the words of the Son of God, whose eyes are like blazing fire and whose feet are like burnished bronze.
3
18 I counsel you to buy from me gold refined in the fire, so you can become rich; and white clothes to wear, so you can cover your shameful nakedness; and salve to put on your eyes, so you can see.
9
18 A third of mankind was killed by the three plagues of fire, smoke and sulfur that came out of their mouths.
11
18 The nations were angry; and your wrath has come.
The time has come for judging the dead,
and for rewarding your servants the prophets
and your saints and those who reverence your name,
both small and great--
and for destroying those who destroy the earth."
13
18 This calls for wisdom. If anyone has insight, let him calculate the number of the beast, for it is man's number. His number is 666.
14
18 Still another angel, who had charge of the fire, came from the altar and called in a loud voice to him who had the sharp sickle, "Take your sharp sickle and gather the clusters of grapes from the earth's vine, because its grapes are ripe."
16
18 Then there came flashes of lightning, rumblings, peals of thunder and a severe earthquake. No earthquake like it has ever occurred since man has been on earth, so tremendous was the quake.
17
18 The woman you saw is the great city that rules over the kings of the earth."
18
18 "Every sea captain, and all who travel by ship, the sailors, and all who earn their living from the sea, will stand far off. When they see the smoke of her burning, they will exclaim, 'Was there ever a city like this great city?'
19
18 so that you may eat the flesh of kings, generals, and mighty men, of horses and their riders, and the flesh of all people, free and slave, small and great."
21
18 The wall was made of jasper, and the city of pure gold, as pure as glass.
22
18 I warn everyone who hears the words of the prophecy of this book: If anyone adds anything to them, God will add to him the plagues described in this book.