Primary ability

The primary ability of a class is the ability that influences special abilities of that class. For spell casters, this is the ability that determines the highest spell level that can be cast (unmodified ability−10) and the ability whose modifier determines how many bonus spell slots are gained. For all classes, this ability's modifier is the one used when calculating the DC of saving throws for that class' spells and class feats (spell-like abilities).

The following tables list the primary abilities defined in classes.2da for the classes available to player characters.

Base class primary abilities

Class	barbarian	bard	cleric	druid	fighter	monk
Ability	strength	charisma	wisdom	wisdom	strength	dexterity
Class	paladin	ranger	rogue	sorcerer	wizard
Ability	wisdom	wisdom	dexterity	charisma	intelligence

Prestige class primary abilities

Class	arcane archer	assassin	blackguard	champion of Torm	dwarven defender	Harper scout
Ability	dexterity	dexterity	constitution	charisma	strength	dexterity
Class	pale master	purple dragon knight	red dragon disciple	shadowdancer	shifter	weapon master
Ability	intelligence	strength	strength	dexterity	wisdom	strength