Terrible bloodcurling screams is the Feral style.
The Ferals are bred like dogs and kept in cages. All born into the ranks of Warpups are checked for defects. If they prove too damaged to become Warboys, they are destined to become Ferals. Ferals are brought up like mangy and vicious dogs and are set loose on the enemy from their cages. A Feral will never advance in the hierarchy. He will remain a human dog until the day he is too weak to fight. He will then be killed by his keepers and thrown in the maggot-pit.