What will happen to Satan?
Question 08124
The story of Satan does not end in ambiguity. Scripture is remarkably clear about his future, and the trajectory is one of progressive restriction, decisive defeat, and eternal judgement. For a being who has wielded enormous influence across human history, the ending is as definitive as it is irreversible. Understanding what will happen to Satan is not idle speculation about the future but a source of present confidence for every believer who lives in a world still marked by his activity.
Cast Out of Heaven
Satan currently has access to the heavenly realm, where he functions as “the accuser of our brothers” before God’s throne (Revelation 12:10). The scene in Job 1-2, where Satan appears before God among the “sons of God,” confirms this access. It is permitted, not permanent, and Revelation 12 describes its termination. At the midpoint of the seven-year Tribulation, war breaks out in heaven. Michael and his angels fight against the dragon, and the dragon is defeated: “And the great dragon was thrown down, that ancient serpent, who is called the devil and Satan, the deceiver of the whole world; he was thrown down to the earth, and his angels were thrown down with him” (Revelation 12:9).
This expulsion from heaven intensifies rather than diminishes Satan’s hostility. Revelation 12:12 warns: “Woe to you, O earth and sea, for the devil has come down to you in great wrath, because he knows that his time is short!” The last three and a half years of the Tribulation represent the most intense period of satanic activity the world has ever experienced. Satan empowers the Antichrist, the Beast of Revelation 13, who sets himself up as an object of worship and unleashes unprecedented persecution against the people of God. The concentration of evil during this period is the direct result of Satan’s confinement to the earthly realm and his knowledge that his time is running out.
Defeated at the Second Coming
The return of Christ described in Revelation 19:11-21 is the decisive military defeat of the satanic system. Christ returns with the armies of heaven, and the Beast and the False Prophet are captured and “thrown alive into the lake of fire that burns with sulphur” (Revelation 19:20). The forces arrayed against Christ are destroyed. The victory is total and instantaneous. There is no prolonged battle, no moment of suspense, no suggestion that the outcome was ever uncertain. The Lord Jesus Christ speaks, and it is finished.
Bound During the Millennium
Revelation 20:1-3 describes what follows the Second Coming: “Then I saw an angel coming down from heaven, holding in his hand the key to the bottomless pit and a great chain. And he seized the dragon, that ancient serpent, who is the devil and Satan, and bound him for a thousand years, and threw him into the pit, and shut it and sealed it over him, so that he might not deceive the nations any longer, until the thousand years were ended.”
The binding is literal, physical (in the sense that it produces a real constraint on a real being), and complete. Satan is not merely restricted during the Millennium; he is removed from the scene entirely. For a thousand years, while Christ reigns on the Davidic throne in Jerusalem and the nations experience a period of unprecedented peace and justice, Satan is confined. His influence is absent. The deceptions, the accusations, the opposition to God’s purposes that have characterised every previous era of human history are suspended. This period reveals what human civilisation looks like when the primary architect of deception is no longer at work.
Released and Finally Defeated
At the end of the Millennium, Satan is released for a brief period (Revelation 20:7-8). His release serves a purpose that many find puzzling but that is theologically significant. Even after a thousand years of Christ’s visible, righteous rule, Satan is able to deceive the nations and gather a vast army for a final rebellion against God. The number of those who follow him is described as being “like the sand of the sea” (Revelation 20:8). This demonstrates something profound about the human heart: perfect environment does not produce perfect hearts. Even in the most favourable conditions imaginable, with Christ reigning visibly and Satan absent for a millennium, human beings born during that period are still capable of choosing rebellion when the option is presented. The final rebellion proves that the problem of sin is internal, not environmental, and that no amount of external perfection can substitute for the regenerating work of the Holy Spirit.
The rebellion is short-lived. Fire comes down from heaven and consumes the gathered armies (Revelation 20:9). There is no battle. God acts, and it is over.
Cast into the Lake of Fire
Revelation 20:10 records Satan’s final destiny: “And the devil who had deceived them was thrown into the lake of fire and sulphur where the beast and the false prophet were, and they will be tormented day and night for ever and ever.” The language is as clear as language can be. The torment is conscious. The duration is eternal. The word used is eis tous aionas ton aionon, “unto the ages of the ages,” the strongest expression of unending duration available in the Greek language. It is the same phrase used of God’s own eternal existence (Revelation 4:9-10). If the phrase means “for ever” when applied to God, it means “for ever” when applied to the punishment of Satan.
This is the lake of fire originally “prepared for the devil and his angels” (Matthew 25:41). It was not created for human beings, though those who finally reject God’s offer of salvation through Christ will share it. The emphasis falls on finality. There is no escape, no further rebellion, no future scheme, no opportunity for further deception. The enemy who has opposed God from before the beginning of human history is confined for eternity in a judgement that is as permanent as the God who pronounces it.
So, now what?
The certainty of Satan’s defeat and final judgement changes everything about how believers face the present. The enemy is real, and his activity in the current age is genuine and sometimes painful. But he is fighting a war he has already lost. The cross secured his defeat (Colossians 2:15), the Second Coming will execute it publicly, and the lake of fire will make it permanent. The believer who knows the end of the story does not need to live in fear of the middle chapters. Satan’s power is permitted, temporary, and destined for a conclusion that Scripture describes with absolute certainty. The God who has planned this ending is the God who keeps His people through every chapter between now and then.
“The God of peace will soon crush Satan under your feet. The grace of our Lord Jesus Christ be with you.” Romans 16:20