Of course - a batman cave is worthless without stalactites...
so with this easy little node setup:
you get this:
the good thing with geometry nodes: you can adapt your cave as you need it:
so e.g. you can change the entrance:
you can change the look of your cage:
and of course you can adapt the distribution of your stalactites:
Batmobile by Fr3akShow: https://sketchfab.com/3d-models/batmobile-1989-1b951b22db35419a890ee3a2923a2185