The first time Vlad's eyes glowed, Maddie hid from him for a few days. It was something about the way the red light illuminated the whole room in his rage, or possibly something about how the slight tap into his ghost powers made the stench of the supernatural fill the room. Either way, Maddie hissed and growled from under the bed until Vlad finally managed to coax her out with treats and sweet whispers.
He vowed to never loose control around her ever again.