Set in the world of Fourth Wing, use all of the main canon characters, including Violet Sorrengail, Xaden Riorson, Rhiannon Matthias, Ridoc Gamlyn, Sawyer Henrick, Liam Mairi (through memories or alternate timeline if desired), Dain Aetos, Mira Sorrengail, Tairn, Andarna, Sgaeyl, and the other major dragons and riders.