Revelation 20 21st Century King James Version (KJ21)
20 And I saw an angel come down from Heaven, having the key to the bottomless pit and a great chain in his hand.
2 And he laid hold on the dragon, that serpent of old, who is the devil and Satan, and bound him for a thousand years.
3 And he cast him into the bottomless pit, and shut him up and set a seal upon him, that he should deceive the nations no more till the thousand years should be fulfilled; and after that he must be loosed a little season.
4 And I saw thrones and they that sat upon them, and judgment was given unto them. And I saw the souls of them that had been beheaded for the witness of Jesus and for the Word of God, and who had not worshiped the beast, nor his image, nor had received his mark upon their foreheads or on their hands; and they lived and reigned with Christ a thousand years.
5 But the rest of the dead lived not again until the thousand years were finished. This is the first resurrection.
6 Blessed and holy is he that hath part in the first resurrection: on such the second death hath no power, but they shall be priests of God and of Christ, and shall reign with Him a thousand years.
7 And when the thousand years are expired, Satan shall be loosed out of his prison,
8 and shall go out to deceive the nations to the four quarters of the earth — Gog and Magog — to gather them together for battle, thenumber of whom is as the sand of the sea.
9 And they went out over the breadth of the earth, and compassed the camp of the saints about, and the beloved city. And fire came down from God out of heaven, and devoured them.
10 And the devil who had deceived them was cast into the lake of fire and brimstone, where the beast and the false prophet are; and they shall be tormented day and night for ever and ever.
11 And I saw a great white throne and Him that sat on it, from whose face the earth and the heaven fled away, and there was found no place for them.
12 And I saw the dead, small and great, standing before God, and the books were opened; and another book was opened, which is the Book of Life. And the dead were judged out of those things which were written in the books, according to their works.
13 And the sea gave up the dead which were in it; and death and hell delivered up the dead which were in them; and they were judged every man according to their works.
14 And death and hell were cast into the lake of fire. This is the second death.
15 And whosoever was not found written in the Book of Life was cast into the lake of fire.
Revelation 20 New International Version (NIV)
The Thousand Years
20 And I saw an angel coming down out of heaven, having the key to the Abyss and holding in his hand a great chain. 2 He seized the dragon, that ancient serpent, who is the devil, or Satan, and bound him for a thousand years. 3 He threw him into the Abyss, and locked and sealed it over him, to keep him from deceiving the nations anymore until the thousand years were ended. After that, he must be set free for a short time.
4 I saw thrones on which were seated those who had been given authority to judge. And I saw the souls of those who had been beheaded because of their testimony about Jesus and because of the word of God. They[a] had not worshiped the beast or its image and had not received its mark on their foreheads or their hands. They came to life and reigned with Christ a thousand years. 5 (The rest of the dead did not come to life until the thousand years were ended.) This is the first resurrection. 6 Blessed and holy are those who share in the first resurrection. The second death has no power over them, but they will be priests of God and of Christ and will reign with him for a thousand years.
The Judgment of Satan
7 When the thousand years are over, Satan will be released from his prison 8 and will go out to deceive the nations in the four corners of the earth—Gog and Magog—and to gather them for battle. In number they are like the sand on the seashore. 9 They marched across the breadth of the earth and surrounded the camp of God’s people, the city he loves. But fire came down from heaven and devoured them. 10 And the devil, who deceived them, was thrown into the lake of burning sulfur, where the beast and the false prophet had been thrown. They will be tormented day and night for ever and ever.
The Judgment of the Dead
11 Then I saw a great white throne and him who was seated on it. The earth and the heavens fled from his presence, and there was no place for them. 12 And I saw the dead, great and small, standing before the throne, and books were opened. Another book was opened, which is the book of life. The dead were judged according to what they had done as recorded in the books. 13 The sea gave up the dead that were in it, and death and Hades gave up the dead that were in them, and each person was judged according to what they had done. 14 Then death and Hades were thrown into the lake of fire. The lake of fire is the second death. 15 Anyone whose name was not found written in the book of life was thrown into the lake of fire.