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Eldritch Grace
Type of Feat: invocation
Prerequisite: warlock 3, charisma 13+
Specifics: Allows you to use your charisma modifier in addition to your dexterity modifier for AC if using light armor (does not work with clothing). To a maximum of your level.
Use: automatic.
Important Note: Unlike the Monk AC Bonus, with this feat you can still wear items that include a damage immunity.