biom collapsing caves

Collapsing caves is Biome that you'll see occasionally happened in caves. There's a big giant room type thing and it has like these pillars. Rocky pillars, going down. Over the place this is where you can find crackstone. Crackstone is a Stone type that, after a while collapses, and if you place a ton of them together, they'll collapse together. This is One. Of the most dangerous areas. In case because Of its unpredictable collapsing By the way you get crushed To death. Death Message Is crushed well exploring Is collapsing caves