Advance
Prester John
People from Europe have been looking for Prester John for centuries, and are convinced that our ruler has to be him, somehow, as we are fellow Christian worshippers. There is no reason to point out that they are wrong, however, as they are now happy to share their ideas with us.
EthiopiaCountrypotentialAdvance 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
Definitionin_game/common/advances/country_ETH.txt:67
68content_priority = 400