Hey there @qSMCoR! Welcome to the community! There’s no one true path to competency when it comes to such a wide subject as materials in general. Most users end up taking their own path which consists of a mix of technical aptitudes (As Nawrot mentioned, previous shader experience), picking apart complex materials, tutorials, trial and error, and documentation.
You’re likely past this level of tutorial group, but it’s good to mention:
Here’s a more advanced learning path:
I’d also recommend when you come across a material you can’t make to seek out resources specifically for it. This is how I’ve upskilled without dedicated training towards materials.