Risen — Steven Savile

Set ten years after the events in Risen, Dark Waters continues our hero's story. After he saved the world from Inquisitor Mendoza's madness and the Titan's wrath, he joined the Inquisition himself to save what was left of the world. He soon realized that humanity was on the edge of destruction anyway, and his heroic deeds on Faranga meant nothing. Now a broken man, he has been sent on a mission to infiltrate a pirate crew and find a secret weapon to use against the Titans...