[quote=SIngemeister]
Err...attack Cross buildings and interests, steal resources, threaten to expose them, stuff like that.
[/quote]

Might be hard when what the KHC need is directly below Temple Tower. Stealing resources is unviable, they have a lot of it. Mage KHCs grasp around the government is strong, when knights are not needed to be deployed special law forces take their spot. That and the many acolytes.