And the devil that deceived them was cast into the lake of fire and brimstone, where the beast and the false prophet are, and shall be tormented day and night forever and ever; and they shall be tormented.
The last clause shows that this is the final judgment and punishment of the devil. Thus at this verse is completed the whole series of visions commencing at Revelation 12:1-17., in which arc set forth the origin and progress of the influence of evil, and the final termination of the conflict between God and his Church on the one hand, and the devil and his adherents on the other.
It remains now only to shadow forth the surpassing glory of the saints in their everlasting home, and thus to bring the book to a conclusion. This, therefore, is the theme of the remaining chapters. Shall be tormented (cf.
Matthew 8:29, "Art thou come hither to torment us before the time?").