material
Advanced Toon
Get this materialWORKS ONLY ON EEVEE in Blender version 5.1 and above. The default preset is water shading for presentation. expanded version of "Procedural cel shader" that I made, it's on my profile.
*Paint-fill your models with blue vertex color in Vertex Paint mode
has: gloss, transparency, proximity-based sharp outlines, fresnel effect, and environmental lighting
Paint the model with red vertex color to add fresnel
Paint the model with green vertex color to add gloss
blue vertex color for no effects (and yellow for both gloss and fresnel at the same time)
this is all you would ever need for a toon shader (or at least, this is all I would need)