What will happen to Satan after the seven-year tribulation?
After the seven-year tribulation, Satan is defeated and removed from the scene. The cataclysmic events of those seven years culminate with God's wrath completed, the curse totally lifted, and Satan no longer present, clearing the way for an Eden-like earth in the kingdom.
Les explains that the seven-year tribulation is a crescendo of God's wrath upon Satan and the mankind who have been following him. At the end of those cataclysmic cosmic events, Satan is defeated and removed from the scene. The curse is totally lifted, and after that holocaust, an Eden-like earth comes forth for the kingdom.