Last time I checked, "setting drinks on fire" is actually a thing. So maybe you can make your own little show out of that.

[He passes on the bar fight though. He can fight and will if it's needed, but right now? Nah, let's party.]

I wonder how many days are we staying. If I have enough time to explore and get to know the place, I can get away with some pranks unharmed - they won't know what it hit them.