Armor of Khevohs

You become encircled in a shadowy plate armor that appears made of adamantine. While this under the effects of this armor, your AC becomes 16 plus your Dexterity modifier. When an attack targeting you is a critical hit, it does not deal critical damage. 

While this armor is formed, you have resistance to fire and psychic damage. When you take the dodge stance as your action, poison leaks from the shadowed form into a 5 ft radius centered on you and follows you, each creature that starts its turn inside this radius takes 3d6 poison damage.