In the conclusion to the Altar of Reality series, nothing but sacrifices lay ahead for Madeline as she fights two different wars on the same front... Gideon wants the power he created with Madeline and will do anything to unlock it within her and take control. The Lord Commander wants peace and will do anything to keep his people safe and in line, even if it means turning against his own niece. In the middle of it all is Austin. Now reunited with his brother and officially at odds with the organization he once swore himself to, he's struggling to straddle two worlds and save Madeline before she gets locked into the body she possesses. Or until he does... With SHIFT closing in and Gideon now in possession of the ultimate weapon--Madeline--Austin and his rag-tag team of teens have to figure out who to save and who to sacrifice as worlds threaten to collide.All Rights Reserved