Culture
Bulgarian
set_culture bulgarianCulture ID bulgarian. set_culture changes the culture of the character you play; change_culture <county id> bulgarian changes a county's. Both need the debug mode (launch option -debug_mode).

Traditions
The traditions this culture starts with, and what each one does.
Ruling CasteRealm+0.3 Dread Gain per Tyranny, -30% Dread Decay, +25% Siege Progress against Revolts
Stand and FightWarfare+2 Levy Toughness, +10% Men-at-Arms Toughness, +10% Heavy Infantry Toughness, +10% Heavy Cavalry Toughness, …
Konni RaidsRegional+20% Skirmisher Screen, +20% Light Cavalry Damage, +20% Light Cavalry Screen, -10% Retreat Losses, …
Merciful BlindingsRitual
Bureaucratic ethos
No culture lasts longer than its oldest record, and this culture believes in accounting so meticulous as to guarantee immortality.
Characters of this culture
Counties of this culture
- Rulers can adopt Bureaucratic Government type as a King as well when they are Emperors
Martial custom: Men Only
- Only men can be Commanders and Knights
Other South Slavic cultures
Source: game/common/culture/cultures/00_south_slavic.txt, game/common/culture/traditions/00_realm_traditions.txt, game/common/culture/traditions/00_combat_traditions.txt, game/common/culture/traditions/00_maa_traditions.txt, game/common/culture/traditions/00_ritual_traditions.txt, game/common/culture/pillars/00_ethos.txt, game/history/provinces (counties at the start) and the English localisation, Crusader Kings III 1.20.0.3.