I use a 2H 0.3mm pencil to cover the entire page so light I can hardly see the drawing. I cross-hatch horizontal lines of quarter inch, then vertically, then 45 degree angles both ways. Countless 10,000's tiny lines. It's a layering process getting darker with each layer. About 100 hours.
That is amazing, how much time goes into making something look so great. Do you only focus on one painting at a time? Or do you go back and forth between one and another? I'm curious because thats tedious process.
This "Man and His Dog" took around 150 hrs. This is about standard for my pencil drawings. I work usually on one drawing at a time. If I'm doing an oil painting, I'll put it aside while it dries and work an a drawing.