This is a 100% Substance Designer shader made entirely created using procedural nodes.
Lava Magma was studied and used as reference while making this.
I've been working on this one on and off for a little while, I learned a fair bit about complex networks and how once you get to a certain point even procedural shaders can get unruly. I try to stay organised as much as possible but beyond a certain point there is a time trade-off and you have to just run with it.
Thanks for viewing, hope you enjoy!