Centralize the States
The Council of Trent has reformed doctrine and sharpened the institutional boundaries of the Church, but the Papal States themselves remain a patchwork of cities, lordships, and client territories whose local princes have long treated our authority as negotiable. We act now to close that gap — absorbing the revenues, appointments, and legal jurisdictions that local lords have quietly accumulated over generations, and placing them under direct administration from Rome in the manner that the reformed Curia demands. This consolidation of crown authority over our territories gives the Papacy the financial and administrative foundation that the Counter-Reformation's ambitions require.
RomeCountrypotentialAdvance tree
The game files don’t say where this goes: it has no requires, so the game places it in the 
Reformation tree itself.
Modifiers
Crown Power+25%