The Fall of Dragons

Miles Cameron is a master of intrigue and thrilling battles. In the concluding novel of the "Son of the Traitor" cycle, readers are in for an epic tale of magic and mercenaries, war, love, and politics.
The allied armies of the... Wilds and humans must clash with Ash in the struggle for the gates to a hermetic universe and for their own destinies. But fatigue, betrayal, and time can prove to be far more dangerous enemies than a dragon.
In Alba, Queen Desiderata is doing everything she can to restore her kingdom, shattered by civil war, while battles continue in the west. In the Ancient Land, the Red Knight is trying to force his unwilling allies to kill the Necromancer rather than each other.
The final battle is approaching, and the Red Knight makes a horrifying discovery... it seems that all of this has happened before.