[ He's right, of course, but she tactfully decides not to agree with his unspoken disapproval aloud. Since he's looking to chat, she slowly closes the door behind her without turning around. She doesn't want to fight or have him discovered, but neither does she completely trust that he's alone or that he isn't willing to attack while her back is turned. With his (presumed) inability to walk, it would make sense if he had a partner or some other way of getting around if he's venturing into enemy territory this deeply.

While he's arranging himself, Gray chooses her words carefully, standing neither aggressively nor completely at ease. Her cloak obscures her body language, her expression easing to neutral. ]

I can't say who's right or wrong... but I can't leave my companions to defend the prison alone. All of you are going to attack, aren't you?