Unit 1 (v. 9a): The attackers advance and surround
The hostile forces “go up” across the breadth of the earth, suggesting wide reach and coordinated movement. Their aim is not merely harassment but containment: they surround “the camp of the saints” and “the beloved city,” presenting God’s people as a protected community under siege.
Unit 2 (v. 9b): Fire from heaven ends the assault
Before any battle outcome is narrated, fire comes down “out of heaven” and “devours” the attackers. The text’s logic is sudden reversal: the siege is real, but the attackers are eliminated by divine action rather than by the besieged defending themselves.
Unit 3 (v. 10a): The deceiver is removed and placed with prior enemies
The focus shifts from the attackers to their leader: the devil—identified by his role as deceiver—is thrown into the lake of fire and sulfur. This location is explicitly the same place where “the beast and the false prophet” already are, linking this moment to earlier judgments in the book.
Unit 4 (v. 10b): The duration and rhythm of the punishment
The text describes “they” being tormented “day and night” and extends the duration with the phrase “forever and ever.” The line emphasizes unbroken continuity (day and night) and an unending horizon (forever and ever), presenting the lake as a final, ongoing state for those named.