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'these spells and effects will Target one
of the six abilities of the character
and they will use that specific ability
modifier when rolling
just like ability checks and attack
rolls you must hit the target number or
higher in order to succeed at a saber
throw if you're making a spell casting
character such as a wizard or sorcerer
for example you want to have the highest
difficulty class you can on your spells
as this helps prevent enemies from
successfully rolling a saving throw and
increases your Effectiveness each class
has its own ability and that is used to
calculate this and this is called its
spell casting ability modifier
for instance clerics use wisdom to
determine their spell DC and wizards use
intelligence for theirs the DC to resist
one of your spells is equal to eight
plus your spell casting ability modifier
plus proficiency
note that some spells like guiding bolt
or Eldritch blast actually Target the
armor class of the Target and operate
similarly to a weapon attack and in
those cases instead of the target
rolling to save against your spell you
will actually roll the D20 add your
spell casting ability modifier and add
your proficiency just like a weapon
attack so we've mentioned proficiency a
few times but now I want to talk a bit
about exactly what proficiency is all
characters in Baldur's Gate 3 have what
is called a proficiency bonus this is a
positive modifier that increases as that
character game's levels and works
somewhat similarly to your ability
modifier because it's added to your D20
roles each character Begins the game
with a proficiency bonus of plus two by
default at level 1. increasing by plus
one every four levels to a maximum of
plus four since the level cap for
Baldur's Gate 3 is 12. this is The
Game's way of making characters more
powerful as their level raises
increasing their likelihood of
succeeding in roles note that
proficiency bonus is the same for all
characters who are all the same level
and that class multi-classing and race
have no impact on this bonus proficiency
bonus is only added to the D20 roll of
things that you have Proficiency in and
these are determined by a combination of
your race background class Feats that
you take and potentially even equipment
you find this means that you will not
gain this bonus on all of your roles but
instead only on the things that your
character or the character you're using
are proficient at
the following is a list of things that
proficiency applies to attack roles
using weapons you're proficient with
ability checks using skills you're
proficient with saving throws you're
proficient with Attack rules of spells
that Target the armor class of a Target
and the difficulty class of the saving
throw that a Target must throw if you're
targeting the ability of a target with a
spell in Baldur's Gate 3 players do not
receive a penalty for attacking with
weapons they're not proficient with but
instead they do not use their
proficiency bonus in calculating their
attack role additionally they will not
be able to use the weapon actions of
that weapon type this means ideally you
will always be using a weapon that you
have Proficiency in however when a
character uses armor or a shield that
they are not proficient with they have
disadvantage on any attack rule they
make and they cannot cast spells this is
really really bad and means players
should definitely avoid using armor or
Shields they do not have Proficiency in
at all costs we'll get into advantage
and disadvantage shortly but for now
let's take a look at skills skills in
Baldur's Gate 3 are used throughout the
course of the game to help characters
overcome obstacles and challenges which
skills you're proficient with will be
determined during character creation and
are usually tied to your class race and
background each skill in the game Falls
with an inability and skills are
essentially a specific aspect of that
ability for instance sleight of hand
falls under dexterity because having
faster reflexes and being more agile
would help you steal things or for
instance persuasion falls under Charisma
because being charismatic would help
persuade someone the following is a list
of skills in the game and what abilities
they fall under when players make an
ability check that also uses a skill
they will add their proficiency bonus to
their D20 role if they have Proficiency
in that skill otherwise they roll as
normal including only their ability
modifier
dialogue lock picking and disarming are
all handled with very visible D20 roles
so you can see your proficiency at work
or not if you don't have any however
there are some instances where things
are calculated behind the scenes like
for example when trying to spot a hidden
door or buried loot you can see the
calculation on the bottom right hand
side of the screen when this occurs but
you won't have a D20 Roll pop up before
you so you'll have to pay attention to
what is happening on the screen while
you explore if you succeed something
will become visible that wasn't previous
but if you fail you won't know what you
missed out on sometimes if you want you'

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