In an effort to ease worry about any future shenanigans you play, you explain that you’re a little unstable and may have Multiple Personality Syndrome. This draws some sad expressions from the pair, so you try to reassure them that it’s mostly harmless. You decide to leave out the part about the locks. They can’t know about the locks…
The armory itself has another stairway leading further down. Heading down there is the only obvious choice you can think of for what to do next. At least, for the moment.