Quote Originally Posted by antisocialmunky
Throw regular inquisitors at them until they lose all hope and curse God.. at which point your grand inquisitor should start piling up the kindling...
I think he already did. He is an atheist. You can't get much worse than that. The cause can be either bishops and cardinals or low zeal, or both. Perhaps you should let the inquisitor increase the religious fervour of the province before trying again.