@Astrocule This I can't blame you for.
And yes, I did see the SoyKappy guide. I made my own version based off of that (through some testing I did on it).
One thing I notice is that, on the Heroic Launcher side of things, we need to find a way to implement D3D Extras, since that's apparently a requirement for Plutonium to work (at least for me, since I'm on Artix). I tried this on Lutris (which has that option), and I enabled it.
Maybe you could find a way to potentially sneak that in? I can give you the exact setting or something along these lines once I find it.
EDIT: I found it.
WINEDLLOVERRIDES="d3dcompiler_47,n;d3dx9_43,n;d3dx10,n"
I just tested it, and it works now.