"Part 5: The Sacrifice" is the fifty-fourth issue of the comic book series The Unwritten, and the fifth and final issue of the five-issue crossover event The Unwritten Fables, released on October 23, 2013.
Publisher's summary
The big finale of "The Unwritten Fables" is here! The survivors of Fabletown have launched their final assault on Castle Dark—and been broken. Their king is dead and their champions defeated. But the battle's not over until the wicked witch says it is, and Frau Totenkinder still has plans for Tom Taylor and Boy Blue. Unfortunately, the cure she has in mind is even worse than the disease...