Defiance

Ten years ago, Danny Samson fell into a Gateway. He woke up in a strange new world, one populated by demonic manifestations, flying creatures, and bloodthirsty monsters. Now, with the help of a few other survivors, he must travel the apocalyptic landscape of a world he once tried to save. But there's something wrong with this place. It isn't quite... correct. Danny will soon find out there might be a way to go back, travel to a time before his downfall began. To fix the chain of events that led him here. Can he save the past and everyone in it? Or will he succumb to the darkness that has shadowed over his future?

Defiance is the third and final book in the Demon Blood series.