Avatar: Blood in the Air is a fanfic series co-authored by Supernova and Illuminatus Shadow, although it's mainly posted under Supernova's accounts. It's an episodic '4th season' series with the first episode being published on December 4, 2011, a bit before the graphic novels came out. It mostly follow's it own path, and sometimes does draw on the graphic novels and Legend of Korra to fill in some blanks. The episodes are multi chapter fics, and there is an expanded universe consisting of shorter one shots and drabbles.
Avatar: Blood in the Air provides examples of:
- Adult Fear: For Iroh in "Changing Currents" When assassination attempts start on Zuko
- Arranged Marriage: Iroh is arranged with Huan Yu, and happily fall in love during the meetings in thier teen years. Iroh's friend Yuko is arranged with Eshima That doesn't go as well
- Ascended Extra: lieutenant Jee returns in "Changing Currents"
- Stuff Blowing Up: A Pai Sho board.