One of the biggest challenges in toon shading is getting clean shadows on complex surfaces like faces. Industry artists often use Custom Vertex Normals (or "split normals") to transfer the smooth shading from a simple "proxy" mesh onto the detailed character mesh, ensuring shadows don't look "dirty" or jagged.
I can provide a custom step-by-step workflow or find specific assets once I know your setup. One of the biggest challenges in toon shading
If you’re ready to move beyond basic tutorials, follow this roadmap: follow this roadmap: