Rebecca Yarros’ Onyx Storm has finally arrived, and after several midnight release parties were held in celebration across the U.S. and Canada, fans are ready to dive back in. After nearly a year of preparation for the third book’s release, fans will find there is still a lot of detail to remember from Iron Flame, and even from Fourth Wing. As each subsequent book in the Empyrean Series is released, the world-building and cast of characters will inevitably grow larger—and keeping track of the different characters, provinces, and signet abilities can be a bit daunting.

https://screenrant.com/onyx-storm-characters-not-remember-from-previous-books-explained-list/