Start with a line drawing. Use both light/airy lines and bold lines throughout sketch.Then use brush to dissolve those lines (ie. water brush) then use that pigment to shade, add contrast and bring line drawing to life.
The BASICS : Light + Shadow by *Shattered-Earth on deviantART I'm dyslexic, so imagining things in is second nature! Makes thing difficult explaining that to other people, though, and this person described it rather well!
127 Free DIY Watercolor Videos - Jerry’s Atrarama lets you enjoy more than 120 free watercolor how-to video demonstrations by talented watercolor artists. Beginner or advanced, you’ll find helpful advice and techniques for your watercolor portraits, lands
colored the scrolls with colored pencils: a darker tone for the shaded area, a lighter color for the highlight areas and a white pencil for the most enlightened, using different pressures to create a gradient and values.