Putting in another machine spirit would be severe heresy, unfortunately, and even if one did, the machine spirit would likely burn out or be corrupted by the hateful geometries of the Dreadclaw.<br/><br/>If Thraxius is willing to risk some corruption points, he can interface his cogitators with the dreadclaw to attempt to "tame" the creature, though he also might end up picking up the frenzy talent as an elite advance.