The finale! After fifteen years of B.P.R.D. comics, the series reaches its explosive conclusion!

The B.P.R.D. desperately grasps for a plan to save humanity from a deep-seated danger, while Hellboy is visited by an old acquaintance with new information.

Hellboy is back on earth, and the B.P.R.D. struggles to understand his unwillingness to hunt the demon threatening to turn the earth into a literal Hell.

The B.P.R.D. arrive in New York to an immediate attack by cultists-turned- zombies and familiar demons.

The B.P.R.D. tries to regain traction after a devastating blow, while Varvara plans to attack the agency from the inside. ''Its a stunning achievement that shows off the craft of every creator on this book from artists to letterer.'' --ComicBook.com

A return to the demolished headquarters, the site of Kate's death, reunites old team members as Abe pursues a demon and Varvara reveals her terrifying plans.

The explosive conclusion to the B.P.R.D. series is collected in full for the first time in paperback! Lovecraftian monsters ravage an apocalyptic earth as the B.P.R.D. fights to save what little of humanity they can. But even Hellboy is not who he once was, and whether anyone survives Varvara and the long-awaited Ragna Rok remains to be seen. This book collects the end of the B.P.R.D. as we know it. Includes B.P.R.D.: The Devil You Know TPB volumes 1-3 and bonus material.