The narrative ends with these two scenes: An angel with a key has bound the devil with a red chain and leads him to the abyss, where he will be locked in:
And I saw an angel coming down out of heaven, having the key to the Abyss and holding in his hand a great chain. He seized the dragon, that ancient serpent, who is the devil, or Satan, and bound him for a thousand years (Revelation 20, 1-2).
Then the twenty-first scene, the last of this narrative, the presentation of the New Jerusalem to John. Jerusalem, personified as a beautifully dressed bride, is descending from heaven, heralding a feast of joy that erases the terrible images of destruction that preceded it:
And I, John, I saw the city, the Holy New Jerusalem, coming down from God, from heaven