Darkness of Dragons is the tenth book in the Wings of the Fire series. The main protagonist of Darkness of Dragons is Qibli. This book was released on July 25, 2017, with 31 chapters and 385 pages. Darkness of Dragons is the last book in the second arc. Tui also said that a Wings of Fire fan could have their character in this book if they won the auction. The auction ended on May 2nd, 2016. A wiki user named TyphoonSeaWing won the auction, and the character they made that is in the book is named Typhoon, a SeaWing-IceWing hybrid.