AC



Armor class (AC) is a number representing a creature's ability to avoid being hit in combat.


 * An opponent's attack roll must equal or exceed the target creature's AC to hit it.


 * Armor Class = 10 + Armor bonus + Shield bonus + Natural Armor bonus + Dexterity modifier + Dodge AC + Size modifier

See table for base Armour and Shield bonuses

Bonus from Armor (depends on Armor type) and Armor Enhancements.
 * Armour Enhancement bonuses do not stack with each other, only the highest bonus counts towards total AC.
 * Plate Armour +2 and Bracers of Armor +3 both carry Armor Enhancement bonuses - if you equip both, only the +3 from the Bracers counts towards the enhancement total.
 * Spells that increase Armor Enhancement bonus do not stack. The spell Improved Mage Armour add a +6 Armor Enhancement bonus. Unless your Armor Enhancement bonus is better than +6; only the +6 will be added to your total.
 * This modifier is not added against Touch Attacks

Bonus from Shield (depends on shield type) and Shield Enhancements.
 * Shield Enhancement bonuses do not stack with each other, only the highest bonus counts towards total AC.
 * Spells that increase Shield Enhancement bonus do not stack. Shield adds a +4 Shield Enhancement bonus. Unless your Shield Enhancement bonus is better than +4; only the +4 will be added to your total.
 * This modifier is not added against Touch Attacks

Natural Armor bonuses do not stack with each other.
 * Spells that increase Natural Armor class do not stack with items that increase your Natural Armor. The spell Spiderskin adds a +5 Natural Armor bonus. If you are wearing an Amulet of Natural Armour +3; only the +5 will be added to your total.
 * This modifier is not added against Touch Attacks

Your Dexterity Modifier is also added to your total AC
 * Heavier armor may stop you getting the full benefit of your dexterity bonus (see Armor Table).
 * This modifier is added against Touch Attacks - unless you are caught Flat Footed

Dodge Bonuses do stack with each other, up to a maximum of 10

Dodge bonuses come from
 * Every 10 Skill Ranks in Tumble give a +1 Synergy Bonus to Dodge AC
 * Boots can carry this bonus
 * Feats such as Dodge
 * There are no spells to increase dodge bonus
 * This modifier is added against Touch Attacks - unless you are caught Flat Footed

This is derived from the creature's size category, This is a static bonus/penalty, there are no items or spells to vary this value.





