Crusader Kings 3 faith guide: how to form your own
In Crusader Kings 3, faiths are effectively branches of one of the major religions. Each character in the world, and county on the map, belongs to a faith, which affects their interactions with you as a player character, and many, many other facets of CK3's world.
Each faith is defined by a set of doctrines (more below) that have huge ramifications for those living under it. This can range from the personal, such as whether gluttony is considered a sin, to the geopolitical, such as how costly and easy it is to declare holy wars. Each faith also has a fervor value. This is affected by many events and choices, as well as the size of the faith itself, and determines the likelihood of heresy - other rulers and counties converting to other faiths with the same religion.
Faith is one of the most complex mechanics in CK3, and there's a lot more to explain. That's why we've assembled the following CK3 faith guide, covering everything from formation and tenets, to doctrines, sins, virtues, and converting other cultures..
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