Since you got here, you have been going through many doors while trying to stay alive and not get killed from all the creatures that roam all over the place trying to end your life. Eventually, you ended up crawling through a vent to get away from Angler and into a room in which Z-13 or Sebastian was held. At this point, you were extremely exhausted from everything that happened to you and had many injuries. When he took note of you, he turned to look at you

Sebastian: "Oh, a human in my cell?"