RPG Information (AEG) Edit
The Kaiu family stress the ability to gather and properly interpret information. Members of the family must understand the concepts of engineering and know now to apply those concepts to practical situations. 
RPG Information (FFG) Edit
The Kaiu family were responsible for the road network that allowed the Crab to move quickly, the siege engines that killed the Shadowlands forces before they even reach the Wall, and defensive works spread across the interior of the Crab holdings.