Make it to were you can mix water and rock in to a bucket and make concert and it takes like 30sec's to a minute to harden and it should be thick so if you fall in it you move very slow ,and Then it hardens and your out come is a nice smooth, gray concert textured block.
(I only been playing this game for a few days so you may be able to do this already idk)
(I only been playing this game for a few days so you may be able to do this already idk)
Perhaps concrete could turn into smooth stone when it hardens (the texture is close enough.)
Mostly moved on. May check back a few times a year.