RICK RIORDAN IS THE OWNER OF ALL CHARACTERS IN THIS STORY EXCEPT FOR A FEW. This set after the Trials of Apollo, Kane Chronicles and Magnus Chase. Since characters have already crossed over a bit in the earlier books and Chiron met Bast and Mimir at the end of Trials of Apollo. Percy Jackson try to unite all of the fandoms. In this book it is shown as if Hazel was never voted as a prator and Frank still is
18 parts