"Because if people knock on the door, I still have to let them in, even if having you is preferable to dealing with someone like Natalie," Percy replied. In fact, anything was preferable to dealing with Natalie, but she was learning even if too slowly for Percy's taste.
Percy leaned back against the chair listening to Cass. "Disguise how? She can change her hair and eyes; she can't turn into another person and even if she did, she wouldn't be able to gain access to wherever they are." He wasn't discounting the idea, but they'd have to convince him, especially since he knew that she was loyal to the bloody Order.