If you are playing as the cultural head of a widely spread culture, such as Andalusian, diverging might instead be your preferred solution. Diverging from a culture that is spread out across multiple realms is significantly cheaper, allowing you to instead spend the prestige on replacing additional...
Cultural innovations are always active, but require a certain Culture. Feudal and Clan Governments rely on Innovations to unlock higher Crown Authority and De Jure claim Casus belli. Amount of advancement gained = 0.3 + (average cultural province Development * 0.02) + 0.2 if ahead in era. ...
If you are playing as the cultural head of a widely spread culture, such as Andalusian, diverging might instead be your preferred solution. Diverging from a culture that is spread out across multiple realms is significantly cheaper, allowing you to instead spend the prestige on replacing additional...