Pockets of resistance are a constant thorn in the rapidly expanding T’au Empire’s side, and one such insurrection threatens to overwhelm the recently acquired world of Cao Quo in Elemental Council by Noah Van Nguyen.

 An insurgency commanded by the ruthless Brother-Sergeant Artamax of the Raptors Space Marine Chapter must be put down with all due haste, and the young Ethereal Yor’i is assembling an elite team drawn from all four castes to hunt down the secretive Space Marines.