A few pieces of Fine Arts. Fine art requires a very high level of attention to details. Proportions, Values, Texture, Light Setting, Composition to name a few. A failed attempt to re-create a fraction of nature, if you may.
Pencil on Paper
Base to any good digital illustration is hours of sketching, doodling the idea, getting all the shapes right, visualizing every colour & light-dark values, way before even opening the software.