Playing a bit more with this workflow. Main shapes and primary details sculpted in ZBrush, the rest were made in Designer.
You can get it here:
Here is another material made with the same workflow: https://angelfernandes.artstation.com/store/q3Jl/stone-wall-substance-designer-zbrush
And here is my Substance Designer course at Domestika, 50% off and in a few languages: https://bit.ly/angeldomestika