Christian Ecumenical Reform

Make it so your hostile christian faith is astray instead of hostile(Nestorian,etc.)

Play peacefully without holy wars and dealing with AI pope wrath.

Immersive decision option with more complex requirements and a basic one that requires 10,000 piety to change such a big thing, sort of like how it take 10k prestige to change princely elective law for HRE.

Immersive option bonus for male rulers get eccentric trait, female rulers get violet poet trait. Immersive option has a wait time and isn’t instant.

Default Rules for immersive option

Be an independent, landed ruler (not a vassal).

Takes 1 to 3 years to complete

Belong to a Christian faith that does not already have the doctrine special_doctrine_ecumenical_christian.

Be Feudal or Clan government.

Hold at least one holy site of your faith.

Have Theology Focus chosen in the Learning Lifestyle.

Be at least King-tier (your highest title > Duchy).

Meet piety and skill requirements:

Piety Level 5 (The Religious Icon).

Diplomacy skill ≥ “High” level.

Learning skill very high, especially combined with the trait Theologian.

Cannot be excommunicated.

Must have at least one skilled court chaplain (councillor in Learning position).

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Variants Depending on Faith Head
The requirements differ based on what kind of Head of Faith (HoF) your branch has:

Temporal HoF (e.g. emperor as own head):

Must have Theologian trait and extremely high Learning.
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Spiritual HoF (e.g. Pope/Patriarch exists):

Theologian trait, high Learning.

Your HoF must also have high Learning.

HoF must like you (opinion ≥ 90).
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No HoF (headless custom faiths):

Theologian trait, very high Learning.

Must control at least two holy sites.
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