spnfic: the game of god, 3/16

Title: The Game of God, 3/16
Author: Seperis
Series: Down to Agincourt, Book 4
Codes: Dean/Castiel
Rating: NC-17/Explicit
Summary: You can't win a war for humanity by sacrificing all of your own.
Author Notes: Thanks to nrrrdygrrrl and scynneh for beta services, with advice from Tkodami and MollyC.
Story summary from a comment by Infie.
Thanks to bratfarrar for the series name and summary from her sonnet Harry Takes the Field.
Spoilers: Seasons 5, 6, and 7

AO3 Links for Down to Agincourt:
Series: Down to Agincourt
Book 1: Map of the World
Book 2: It's the Stars That Lie
Book 3: A Thousand Lights in Space

AO3 Links for The Game of God:
All
Chapter 1, Chapter 2, Chapter 3