Effect · every source

How to reduce Friendly Fatal Casualties in CK3

2 sources raise Friendly Fatal Casualties and 12 lower it in the game files of patch 1.20.0.3 — for this one, lower is better.

hard_casualty_modifier

The biggest reductions

-50%State RansomingCultural tradition · Characters of this culture
-25%Enduring HardshipsLifestyle perk · Adventurer government
-20%Never Back DownLifestyle perk

What lowers Friendly Fatal Casualties (12)

Traits (5)

Holy Monarch-15%
crusader_king · game/common/traits/00_traits.txt
Unbreakable Sentinel-10%
unyielding_defender · game/common/traits/00_traits.txt
Unbreakable Sentinel-10%
At 33 XP
unyielding_defender · game/common/traits/00_traits.txt
Unbreakable Sentinel-10%
At 66 XP
unyielding_defender · game/common/traits/00_traits.txt
Unbreakable Sentinel-10%
At 100 XP
unyielding_defender · game/common/traits/00_traits.txt

Lifestyle perks (2)

Enduring Hardships-25%
Adventurer government
enduring_hardships_perk · game/common/lifestyle_perks/00_martial_2_authority_tree_perks.txt
Never Back Down-20%
never_back_down_perk · game/common/lifestyle_perks/00_martial_3_chivalry_tree_perks.txt

Cultural traditions (3)

State Ransoming-50%
Characters of this culture
tradition_fp2_state_ransoming · game/common/culture/traditions/03_fp2_traditions.txt
Hit-and-Run Tacticians-10%
Characters of this culture
tradition_hit_and_run · game/common/culture/traditions/00_combat_traditions.txt
Konni Raids-10%
Characters of this culture
tradition_hussar · game/common/culture/traditions/00_maa_traditions.txt

Culture pillars (1)

Stoic-15%
Characters of this culture
ethos_stoic · game/common/culture/pillars/00_ethos.txt

Holy sites (1)

Dwarka-10%
Dvaraka · Followers, while the faith holds it
dwarka · game/common/religion/faith_types/00_faith_types.txt

What raises Friendly Fatal Casualties (2)

Cultural traditions (2)

Stand and Fight+40%
Characters of this culture
tradition_stand_and_fight · game/common/culture/traditions/00_combat_traditions.txt
Defensive Tactics+25%
Characters of this culture
tradition_mobile_guards · game/common/culture/traditions/00_maa_traditions.txt

Source: game/common/culture/pillars/00_ethos.txt, game/common/culture/traditions/00_combat_traditions.txt, game/common/culture/traditions/00_maa_traditions.txt, game/common/culture/traditions/03_fp2_traditions.txt, game/common/lifestyle_perks/00_martial_2_authority_tree_perks.txt, game/common/lifestyle_perks/00_martial_3_chivalry_tree_perks.txt, game/common/religion/faith_types/00_faith_types.txt, game/common/traits/00_traits.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.