Alright so she has two options and I have one of them done

This is her more calmer colors, 

Her more extreme colors they can appear when her emotions are constantly changing 

her eye still changes colors but her pupils change too, this is a thing all Ib's have, her blank eye also shows the symbols along with the colors but she is still unable to see with it, if possessed by the devil or any other demon besides Void she will throw up due to Void fighting back against it, she smokes and drinks. Iz doesn't shift very much due to her being forced to shift most of the time so now it hurts when trying to shift. Her feral form acts like an wild animal and will attack anyone who isn't apart of the casino crew. That's currently it for now