How to Crack a Chain Lock

"This is literally the fourth lock I have seen in my entire life. Well, you got a, this is learning on the ground." "I guess I'm going to go try to just crack this lock," he says as Argo picks up the chain and the lock. The door opens into a vestibule lined with benches; light from stained glass windows illuminates white marble floors. Beyond that, there's little visibility for those with normal vision,. You hear the occasional skitter of claws on tile and flap of wings, but you cannot easily identify the source.