Effect · every source

How to increase Prowess in CK3

0 sources raise Prowess and 21 lower it in the game files of patch 1.20.0.3.

prowess_mult

What lowers Prowess (21)

Traits (21)

Incapable-100%
incapable · game/common/traits/00_traits.txt
Pneumonia-80%
pneumonic · game/common/traits/00_traits.txt
Leper-80%
leper · game/common/traits/00_traits.txt
Typhus-80%
typhus · game/common/traits/00_traits.txt
Bubonic Plague-80%
bubonic_plague · game/common/traits/00_traits.txt
Smallpox-80%
smallpox · game/common/traits/00_traits.txt
Bloody Flux-80%
dysentery · game/common/traits/00_traits.txt
Ill-40%
ill · game/common/traits/00_traits.txt
Consumption-40%
consumption · game/common/traits/00_traits.txt
Measles-40%
measles · game/common/traits/00_traits.txt
Infirm-20%
infirm · game/common/traits/00_traits.txt
Infirm-20%
At 25 XP
infirm · game/common/traits/00_traits.txt
Infirm-20%
At 50 XP
infirm · game/common/traits/00_traits.txt
Infirm-20%
At 75 XP
infirm · game/common/traits/00_traits.txt
Infirm-20%
At 100 XP
infirm · game/common/traits/00_traits.txt
Gout Ridden-20%
gout_ridden · game/common/traits/00_traits.txt
Fragile Bones-10%
fragile_bones · game/common/traits/00_traits.txt
Fragile Bones-10%
At 25 XP
fragile_bones · game/common/traits/00_traits.txt
Fragile Bones-10%
At 50 XP
fragile_bones · game/common/traits/00_traits.txt
Fragile Bones-10%
At 75 XP
fragile_bones · game/common/traits/00_traits.txt
Fragile Bones-10%
At 100 XP
fragile_bones · game/common/traits/00_traits.txt

Source: 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.