Things are going to get wet…
Good thing for the Henchmen that this museum still has an old-fashioned water sprinkler fire system. Of course, Tinker would have figured that out way in advance of the job.
Henchmen for Hire
a webcomic in a world of Superheroes and Supervillains by Jeff Langcaon
Oh no, Nanomans Achilles-Hell: Aritificial indoor Rain!
But figures, nanobots always fail because they are simply “too small” to take certain effects. Like Electricity, Cold or anything aiming against thier controll/interaction or just the amounst of water a Fire Controll system throws out.