
Effect · every source
How to increase Piety per Powerful Vassal on the Council in CK3
4 sources raise Piety per Powerful Vassal on the Council and 0 lower it in the game files of patch 1.20.0.3.
monthly_piety_gain_per_happy_powerful_vassal_addThe biggest boosts
+0.3/monthPūjāTenet · Followers
+0.3/monthCanterbury CathedralBuilding · Holder
+0.1/monthShah-i-ZindaBuilding · Holder
What raises Piety per Powerful Vassal on the Council (4)
Tenets (1)

Pūjā+0.3/month
Followers
tenet_ritual_hospitality· game/common/religion/tenet_types/00_tenet_types.txt
Buildings (3)

Canterbury Cathedral+0.3/month
Holder
Levels 1–3: +0.1/month to +0.3/month (3 levels give it)
holy-site-canterbury-cathedral· game/common/buildings/00_special_buildings.txt

Source: game/common/buildings/00_special_buildings.txt, game/common/buildings/ccp3_special_buildings.txt, game/common/religion/tenet_types/00_tenet_types.txt and the English localisation, Crusader Kings III 1.20.0.3. Building chains are shown once, at their strongest level, with the range over their levels. Effects that come only from events or scale with a script value are not listed.