Briggs goes quiet for a while. He's still standing by the door with his forehead against. He's trying to work things out but he just doesn't have enough information. He lightly thumps his fist against the door. "I'm not leaving without you, Mikey," he sounds tired when he says it.

As for the search of the room, the vents are a touch too small but could be chiseled wider. With enough time and patience. Because of the real purpose of this room, there's no shortage of items that could be used as weapons or tools. Just avoid thinking about what their original purpose might be.