Title: Turning Tide
Author: Dark-Dreymer
Challenge: AU
Rating: NC-17
Spoilers/warnings: Spoilers for the whole of Final Fantasy X. Has characters from season 4, so if you don’t know the season 4 companion don’t read.
Summary: Sin has risen once more to bring punishment to the people of Spira, and the summoners shall once again rise up to defeat it. When Jack Harkness is hired to accompany a young summoner on his pilgrimage he doesn’t realize how much it will affect not only his life, but also the whole of Spira. 

Almost 55,000 words in total so get comfy if you plan to read it in one sitting. Oh, and don't expect an epic for every challenge, I'm normally dead lazy. :P

Glossary
Illustrations

Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20