The third book in the series started by The Path of Flames, it picks up pretty much where the second book left off, the morning after the battle for Mythgrafen hold besieged by the demons. The stories of different characters will start getting complicated and more complex as the situation escalates.
As with the second book, the third follows several threads of the main story. Many of them will eventually converge by the end.
By the book’s half, it very visible that it’s all going down and that it’s not so much about who might win but about how big mess it’ll be – which helps the pace for a book that’s slightly longer than the previous two.