Primal Armor Master (5e Feat)
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Primal Armor Master
Prerequisites: You must have the natural armor racial trait, or an equivalent racial trait that grants you an unarmored AC higher than 10 + your Dexterity modifier.
You have trained to master the defensive assets provided by your own racial heritage, allowing you better deflect otherwise lethal blows with your own tough skin. While you are using the AC provided by your natural armor, you gain a +2 bonus to your AC.