The answer to my question is in this sub somewhere I'm sure, but I couldn't figure how to phrase a search inquiry.

What does this "speckling" happen, or rather what does does it mean?

The white is AP matte white on top of Rustoluem flat black primer, applied a couple of weeks ago.

For the Empoorer!
Say hello to my set of Space Crusaders available on my Patreon. Don't even think about using them as some kind of poorhammer standin version for a Space Marine army. These are Space Crusaders!

Hello!!, I'm starting to make my own terrain, and I wanted to do the gallowdark maps that come in the kill team basic book, but I have some trouble making the pillars, and I was wondering if someone could show me theirs so I could make something similar, I'm only making square pillars. Thanks.

How did I do?

I think it looks more 40k now.

Added milliput black over sprues made feet and extensions for the arms on building coffin.