Path of the Crushed Heart — David Farland

The last installment of the Serpent Catch Series Catching the serpents was only the beginning. Before Tull can lead his people to freedom, Tull must first free himself from the beast within. He must break the fiery chains of Adjonai as he leads an uprising against the powerful Slave Lords, but the ultimate battle for Tull and his allies will come against the Creators, machines with minds of crystal waging a program of total genocide against all life on Anee.