While spreading Buddhism into a foreign religious community, the check complexity for you is reduced by 1.
Once you have successfully spread Buddhism into a foreign religious community, leave the token of the previous religion where it is, and place a Buddhism token next to it. From now on, two different religious communities coexist in this province. Then gain as many faith as the number of your religious communities.
Example:
Gain 1 faith for destroying an enemy
army in a province without Islam.
After destroying an enemy army in a province with Islam, gain 1
military unit that your opponent lost. Place it on an adjacent hex to your engaged
army and deplete it.
Gain 1 faith for overcoming any number of
adversities in your religious communities within one turn.
In achievements phase, gain 2 for each
adversity in each of your religious communities.
Notes:
Ignore heresy in your religious communities while keeping control over them.
After gaining any experience , gain 1 faith
.