Tribal Pagan rulers can now seek a sponsor from an organized faith (like Christianity or Islam) to convert their entire realm at once, bypassing the slower province-by-province method. [TOOL] CK2 Holy Fury Map Generator - Paradox Forum

If using the "Random World" feature, players can use specialized map generation tools to further customize their seeds.

The v3.1.0 patch brought critical balancing to prevent certain mechanics from becoming overpowered:

Added the Arberian culture and its unique retinue, while also ensuring that certain religious doctrines, like "Cosmopolitan" and "Religious Tax," are no longer incompatible. Technical & Gameplay Notes

Catholic rulers must now seek official Coronations from the clergy, while exceptionally pious characters can be canonized as Saints after death. Key Changes in Update v3.1.0

Event troops for the Children's Crusade now correctly disband once the war ends, and a higher morale penalty was applied to reflect the "army" of peasants and children.

Players can bypass historical maps for fictionalized versions of Europe or completely randomized continents.

Pagan characters can join exclusive martial societies to climb ranks, unlock powerful combat bonuses, and call upon spiritual allies.