Pathfinder Rules

Game Mechanics

Light sensitivity in Pathfinder refers to a character’s reduced tolerance for bright illumination, which can impose penalties to vision-based checks, concentration, and naviga...

rules-reference

In Pathfinder, damage represents the impact of attacks, spells, and hazardous effects on a target’s hit points and beyond, from lethal harm to nonlethal wear and environmental...

rules

In Pathfinder, a bonus is a numeric adjustment that increases or decreases a check, attack roll, saving throw, AC, or other value. Bonuses come from diverse sources—classes, f...

rules

In Pathfinder, spell cost refers to the resources a spellcaster must spend to use a spell, most commonly spell slots or prepared spell slots, along with possible material compon...