A soul of ash and blood

"A great primal power has risen. The Queen of Flesh and Fire has become the Primal of Blood and Bone--the true Primal of Life and Death. And the battle Casteel, Poppy, and their allies have been fighting has only just begun. Gods are awakening across Iliseeum and the mortal realm, readying for the war to come. But when Poppy falls into stasis, Cas faces the very real possibility that the dire, unexpected consequences of what she is becoming could take her away from him. Cas is given some advice, though--something he plans to cling to as he waits to see her beautiful eyes open once more: Talk to her. And so, he does. He reminds Poppy how their journey began, revealing things about himself that only Kieran knows in the process. But it's anybody's guess what she'll wake to or exactly how much of the realm and Cas will have changed when she does"--