Reference

Link: https://glowfic.com/boards/144
Settings: many, including Golarion and Sunnyverse
Prerequisites:
much of the world is lawless and cruel (Sandbox)
Korva's backstory
some only had hearts that were brave and true (Sandbox)
Wiki page 
books-and-bodies' backstory
you were kind to something once (Sandbox)
Wiki page 
Catherine's backstory
give me the wretched refuse of your teeming shore (Sandbox)
Wiki page 
huddled-masses' backstory
with the time that is given us (Continuity)
Wiki page 
Slayer Karen's backstory
you can't warm the stars with your hands (Sandbox)
Wiki page 
Imrainai Tellari's backstory