The final chapters of Revelation paint a dazzling picture of the end of all things, when everything that Jesus began is brought to completion.
The visions of judgment in Revelation are symbols of how the love of God will set all things right.
In Revelation 14, the Lamb makes another appearance, as do the 144,000 -- followers of the Lamb.
The challenge presented in Revelation 13 is how to discern the power of the dragon and how to live as a witness and worshiper of the Lamb.
If you want a condensed overview of the Book of Revelation, chapter 12 is the place to go.